| --- |
| pretty_name: PhysInOne |
| language: |
| - en |
| license: cc-by-nc-sa-4.0 |
| modalities: |
| - video |
| - image |
| - depth |
| - segmentation |
| - trajectory |
| - pointcloud |
| - text |
| size_categories: |
| - 1M<n<10M |
| task_categories: |
| - text-to-video |
| - image-to-video |
| - video-to-video |
| - depth-estimation |
| - image-segmentation |
| - object-detection |
| - other |
| tags: |
| - video |
| - 3d |
| - synthetic-data |
| - physical-reasoning |
| - visual-physics |
| - world-model |
| - video-generation |
| - future-frame-prediction |
| - physical-property-estimation |
| - motion-transfer |
| - multiview |
| - simulation |
| - embodied-ai |
| - mechanics |
| - optics |
| - fluid-dynamics |
| - magnetism |
| - unreal-engine |
| - mpm |
| - sph |
| arxiv: 2604.09415 |
| homepage: https://vlar-group.github.io/PhysInOne.html |
| --- |
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| |
| </style> |
|
|
| <h1 align="center" style="font-size: 42px;">PhysInOne: Visual Physics Learning and Reasoning in One Suite</h1> |
|
|
| <p align="center"> |
| vLAR Group | |
| The Hong Kong Polytechnic University | |
| Syai Singapore | |
| Meta |
| </p> |
|
|
| <p align="center"> |
| <strong>CVPR 2026</strong> |
| </p> |
|
|
| <p align="center"> |
| <a href="https://vlar-group.github.io/PhysInOne.html"> |
| <img src="https://img.shields.io/badge/Project-Page-purple"> |
| </a> |
| <a href="https://arxiv.org/abs/2604.09415"> |
| <img src="https://img.shields.io/badge/Paper-ArXiv-red"> |
| </a> |
| <a href="https://github.com/vLAR-group/PhysInOne"> |
| <img src="https://img.shields.io/badge/Code-GitHub-black"> |
| </a> |
| <a href="https://huggingface.co/datasets/vLAR/PhysInOne"> |
| <img src="https://img.shields.io/badge/Dataset-HuggingFace-yellow"> |
| </a> |
| <a href="https://huggingface.co/datasets/vLAR/PhysInOne"> |
| <img src="https://img.shields.io/badge/All%20repo%20downloads-1%2C280%2C414-FFD21E?logo=huggingface" alt="All PhysInOne repositories: 1,280,414 historical downloads (snapshot Oct 1, 2026)"> |
| </a> |
| <a href="https://huggingface.co/datasets/vLAR/PhysInOne/tree/main/Leaderboard"> |
| <img src="https://img.shields.io/badge/Leaderboard-Data_Released-brightgreen"> |
| </a> |
| </p> |
| |
| <div class="physinone-card" style="display: flex; flex-wrap: wrap; align-items: flex-start; gap: 20px;"> |
|
|
| <aside class="physinone-sidebar" style="flex: 0 1 250px; width: 250px; max-width: 100%; box-sizing: border-box; position: sticky; top: 16px; padding: 16px; border: 1px solid rgba(148, 163, 184, 0.28); border-radius: 12px; background: rgba(148, 163, 184, 0.12); font-size: 13.5px; line-height: 1.55;"> |
| <strong>🧭 Navigation</strong><br><br> |
| <a href="#summary">📌 Summary</a><br> |
| <a href="#release-timetable">🚀 Release Timetable</a><br> |
| <a href="#dataset-repositories">📦 Repositories & Downloads</a><br> |
| <a href="#data-splits">📊 Data Splits</a><br> |
| <a href="#three-d-assets">🧱 3D Assets</a><br> |
| <a href="#data-processing">🛠️ Data Processing</a><br> |
| <a href="#leaderboard-evaluation-data">🏆 Leaderboard Evaluation Data</a><br> |
| <a href="#rendered-data">🎞️ Rendered Data</a><br> |
| <a href="#download-scripts">1. Download Scripts</a><br> |
| <a href="#install-dependencies">2. Install Dependencies</a><br> |
| <a href="#filter-cases">3. Filter Cases</a><br> |
| <a href="#filter-by-split">3.1 Split</a><br> |
| <a href="#filter-by-split-and-activity">3.2 Split + Activity</a><br> |
| <a href="#filter-by-phenomenon">3.3 Phenomenon</a><br> |
| <a href="#random-sampling">3.4 Random Sampling</a><br> |
| <a href="#download-selected-cases">4. Download Cases</a><br> |
| <a href="#dataset-structure">📦 Dataset Structure</a><br> |
| <a href="#annotation-details">📝 Annotation Details</a><br> |
| • <a href="#depth">Depth</a><br> |
| • <a href="#segmentation">Segmentation</a><br> |
| • <a href="#captions">Captions</a><br> |
| • <a href="#trajectories">Trajectories</a><br> |
| ◦ <a href="#trajectory-json-file-structure">JSON file structure</a><br> |
| ◦ <a href="#trajectory-actor-level-pose-storage">Actor-level pose storage</a><br> |
| ◦ <a href="#trajectory-pose-entry-format">Pose entry format</a><br> |
| • <a href="#cameras">Cameras</a><br> |
| ◦ <a href="#camera-json-structure">Camera JSON structure</a><br> |
| ◦ <a href="#dynamic-camera-behavior">Dynamic camera behavior</a><br> |
| • <a href="#point-clouds">Point Clouds</a><br> |
| <a href="#data-fields">🧩 Data Fields</a><br> |
| • <a href="#physical-phenomena">Physical Phenomena</a><br> |
| <a href="#license">📜 License</a><br> |
| <a href="#citation">📚 Citation</a><br> |
| <a href="#contact">📮 Contact</a><br> |
| </aside> |
|
|
| <main class="physinone-main" style="flex: 1 1 500px; min-width: min(100%, 500px); line-height: 1.38; font-size: 15px;"> |
|
|
| <h2 id="summary" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">📌 Summary</h2> |
| <div style="margin-left: 24px; text-align: justify;"> |
|
|
| <strong>PhysInOne</strong> is a large-scale synthetic dataset for visual physics learning and reasoning, containing <strong>153,810 dynamic 3D scenes</strong> and <strong>2 million annotated videos</strong> across <strong>71 physical phenomena</strong> in mechanics, optics, fluid dynamics, and magnetism. Each scene features complex multi-object and multi-physics interactions with rich annotations, including RGB videos, depth maps, object masks, 3D trajectories, camera poses, object meshes, material properties, and textual descriptions. The dataset supports research on physics-aware video generation, future frame prediction, physical property estimation, motion transfer, physical reasoning, and world models. |
|
|
| <div class="physinone-summary-grid" style="display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 18px 0;"> |
|
|
| <div style="padding: 12px; border: 1px solid rgba(148, 163, 184, 0.28); border-radius: 10px; background: rgba(148, 163, 184, 0.12);"> |
| <strong>153,810</strong><br> |
| <span style="font-size: 13px;">Dynamic 3D scenes</span> |
| </div> |
| |
| <div style="padding: 12px; border: 1px solid rgba(148, 163, 184, 0.28); border-radius: 10px; background: rgba(148, 163, 184, 0.12);"> |
| <strong>2M</strong><br> |
| <span style="font-size: 13px;">Annotated videos</span> |
| </div> |
| |
| <div style="padding: 12px; border: 1px solid rgba(148, 163, 184, 0.28); border-radius: 10px; background: rgba(148, 163, 184, 0.12);"> |
| <strong>71</strong><br> |
| <span style="font-size: 13px;">Physical phenomena</span> |
| </div> |
| |
| <div style="padding: 12px; border: 1px solid rgba(148, 163, 184, 0.28); border-radius: 10px; background: rgba(148, 163, 184, 0.12);"> |
| <strong>4</strong><br> |
| <span style="font-size: 13px;">Physics domains</span> |
| </div> |
| |
| </div> |
|
|
| </div> |
|
|
| <h2 id="release-timetable" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">🚀 Release Timetable</h2> |
| <div style="margin-left: 24px;"> |
|
|
| | Component | Progress | Status | Notes | |
| | --------------------- | ----------------------------- | ------------ | --------------------------------- | |
| | Rendered Data - Train | `██████████` 100%(122988/122988) | Released | Last updated: Aug 21 | |
| | Rendered Data - Val | `░░░░░░░░░░` 1%(103/15411) | In progress | | |
| | 3D Assets | `██████████` 100% | Released | 14,847 Val scenes, 120,660 Train scenes, and Train/Val resource libraries | |
| | Leaderboard Evaluation Inputs | `██████████` 100% | Released | All public task inputs released; ground truth excluded | |
| | Baseline code | `███████▌░░` 75% | In progress | Six long-term future prediction baselines released; updated Oct 8 | |
| | Data processing | `██████████` 100% | Released | Camera placement, UE rendering, EXR conversion, and point-cloud generation | |
|
|
| <h3 id="baselines" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2;">💻 Baselines</h3> |
|
|
| Six baseline implementations for <strong>Long-term Future Frame Prediction</strong> are now available in the public GitHub repository. |
|
|
| - Models: [FreeGave](https://github.com/vLAR-group/PhysInOne/tree/main/baselines/Future_Frame_Prediction/Long-term_Future_Frame_Prediction/FreeGave), [Def3G](https://github.com/vLAR-group/PhysInOne/tree/main/baselines/Future_Frame_Prediction/Long-term_Future_Frame_Prediction/Def3G), [ExtDM](https://github.com/vLAR-group/PhysInOne/tree/main/baselines/Future_Frame_Prediction/Long-term_Future_Frame_Prediction/ExtDM), [MAGI-1](https://github.com/vLAR-group/PhysInOne/tree/main/baselines/Future_Frame_Prediction/Long-term_Future_Frame_Prediction/MAGI-1), [TRACE](https://github.com/vLAR-group/PhysInOne/tree/main/baselines/Future_Frame_Prediction/Long-term_Future_Frame_Prediction/TRACE), and [TiNeuVox](https://github.com/vLAR-group/PhysInOne/tree/main/baselines/Future_Frame_Prediction/Long-term_Future_Frame_Prediction/TiNeuVox) |
|
|
| Each package contains cleaned source code, English setup and usage instructions, a directory-layout guide, the 103-scene evaluation manifest, and checkpoint-placement instructions. Training instructions are included where supported; MAGI-1 is provided as an inference-only integration. Model weights and benchmark ground truth are not bundled with the source release. |
|
|
| <h3 id="dataset-repositories" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2;">📦 Dataset Repositories & Downloads</h3> |
|
|
| Due to the large scale of PhysInOne, the rendered data and annotations are split across 16 Hugging Face repositories. Each entry shows the shard size, release status, live all-time downloads, live downloads in the last 30 days, and its repository link. |
|
|
| > **Combined snapshot (Oct 1, 2026):** P01–P16 have **1,233,150** all-time downloads and **408,806** downloads in the last 30 days. Including the main repository, the per-repository sums are **1,280,414** and **442,702**. |
|
|
| <div class="physinone-repo-grid"> |
|
|
| <div class="physinone-repo-card physinone-repo-card-main"> |
| <div class="physinone-repo-card-header"><strong>Main repository</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-status">Main</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/vLAR/PhysInOne" aria-label="Open main repository">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/vLAR/PhysInOne"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FvLAR%2FPhysInOne%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOne total downloads"></a> <a href="https://huggingface.co/datasets/vLAR/PhysInOne"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FvLAR%2FPhysInOne%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOne 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP01</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 01/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP01/PhysInOneP01" aria-label="Open PhysInOneP01">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">4.52 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP01/PhysInOneP01"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP01%2FPhysInOneP01%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP01 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP01/PhysInOneP01"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP01%2FPhysInOneP01%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP01 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP02</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 02/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP02/PhysInOneP02" aria-label="Open PhysInOneP02">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.09 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP02/PhysInOneP02"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP02%2FPhysInOneP02%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP02 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP02/PhysInOneP02"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP02%2FPhysInOneP02%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP02 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP03</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 03/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP03/PhysInOneP03" aria-label="Open PhysInOneP03">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.59 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP03/PhysInOneP03"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP03%2FPhysInOneP03%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP03 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP03/PhysInOneP03"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP03%2FPhysInOneP03%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP03 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP04</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 04/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP04/PhysInOneP04" aria-label="Open PhysInOneP04">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.58 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP04/PhysInOneP04"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP04%2FPhysInOneP04%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP04 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP04/PhysInOneP04"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP04%2FPhysInOneP04%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP04 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP05</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 05/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP05/PhysInOneP05" aria-label="Open PhysInOneP05">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.16 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP05/PhysInOneP05"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP05%2FPhysInOneP05%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP05 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP05/PhysInOneP05"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP05%2FPhysInOneP05%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP05 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP06</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 06/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP06/PhysInOneP06" aria-label="Open PhysInOneP06">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.19 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP06/PhysInOneP06"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP06%2FPhysInOneP06%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP06 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP06/PhysInOneP06"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP06%2FPhysInOneP06%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP06 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP07</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 07/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP07/PhysInOneP07" aria-label="Open PhysInOneP07">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.21 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP07/PhysInOneP07"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP07%2FPhysInOneP07%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP07 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP07/PhysInOneP07"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP07%2FPhysInOneP07%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP07 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP08</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 08/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP08/PhysInOneP08" aria-label="Open PhysInOneP08">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.21 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP08/PhysInOneP08"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP08%2FPhysInOneP08%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP08 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP08/PhysInOneP08"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP08%2FPhysInOneP08%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP08 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP09</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 09/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP09/PhysInOneP09" aria-label="Open PhysInOneP09">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.20 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP09/PhysInOneP09"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP09%2FPhysInOneP09%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP09 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP09/PhysInOneP09"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP09%2FPhysInOneP09%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP09 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP10</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 10/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP10/PhysInOneP10" aria-label="Open PhysInOneP10">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.25 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP10/PhysInOneP10"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP10%2FPhysInOneP10%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP10 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP10/PhysInOneP10"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP10%2FPhysInOneP10%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP10 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP11</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 11/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP11/PhysInOneP11" aria-label="Open PhysInOneP11">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.48 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP11/PhysInOneP11"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP11%2FPhysInOneP11%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP11 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP11/PhysInOneP11"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP11%2FPhysInOneP11%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP11 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP12</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 12/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP12/PhysInOneP12" aria-label="Open PhysInOneP12">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">6.68 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP12/PhysInOneP12"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP12%2FPhysInOneP12%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP12 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP12/PhysInOneP12"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP12%2FPhysInOneP12%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP12 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP13</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 13/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP13/PhysInOneP13" aria-label="Open PhysInOneP13">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">6.66 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP13/PhysInOneP13"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP13%2FPhysInOneP13%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP13 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP13/PhysInOneP13"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP13%2FPhysInOneP13%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP13 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP14</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 14/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP14/PhysInOneP14" aria-label="Open PhysInOneP14">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">6.72 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP14/PhysInOneP14"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP14%2FPhysInOneP14%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP14 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP14/PhysInOneP14"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP14%2FPhysInOneP14%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP14 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP15</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 15/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP15/PhysInOneP15" aria-label="Open PhysInOneP15">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">7.93 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP15/PhysInOneP15"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP15%2FPhysInOneP15%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP15 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP15/PhysInOneP15"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP15%2FPhysInOneP15%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP15 30d downloads"></a></div></div> |
| </div> |
|
|
| <div class="physinone-repo-card"> |
| <div class="physinone-repo-card-header"><strong>PhysInOneP16</strong><span class="physinone-repo-card-tags"><span class="physinone-repo-split">Train · 16/16</span><span class="physinone-repo-status">Complete</span></span><a class="physinone-repo-link" href="https://huggingface.co/datasets/PhysInOneP16/PhysInOneP16" aria-label="Open PhysInOneP16">Open ↗</a></div> |
| <div class="physinone-repo-card-bottom"><strong class="physinone-repo-size">1.57 TB</strong><div class="physinone-repo-downloads"><a href="https://huggingface.co/datasets/PhysInOneP16/PhysInOneP16"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP16%2FPhysInOneP16%3Fexpand%3DdownloadsAllTime&query=%24.downloadsAllTime&label=total&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP16 total downloads"></a> <a href="https://huggingface.co/datasets/PhysInOneP16/PhysInOneP16"><img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fhuggingface.co%2Fapi%2Fdatasets%2FPhysInOneP16%2FPhysInOneP16%3Fexpand%3Ddownloads&query=%24.downloads&label=30d&logo=huggingface&color=FFD21E&cacheSeconds=3600" alt="PhysInOneP16 30d downloads"></a></div></div> |
| </div> |
|
|
| </div> |
|
|
| > Download badges query the official Hugging Face API and update automatically. Counts are repository-level download events, not deduplicated users; accessing multiple shards can produce one event in each shard. |
|
|
| For large-scale rendered-data downloading and filtering, please refer to the **Rendered Data** section below. |
|
|
| </div> |
|
|
| <h2 id="data-splits" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">📊 Data Splits</h2> |
| <div style="margin-left: 24px; text-align: justify;"> |
|
|
| PhysInOne is divided into <strong>Train, Val, and Test</strong> splits, containing 122,988, 15,411, and 15,411 scenes, respectively. The three splits are generated with <strong>completely distinct 3D meshes and backgrounds</strong>, ensuring that no scene or visual content is shared across splits. This separation provides a robust benchmark for evaluating generalization and physical reasoning. |
|
|
| </div> |
|
|
|
|
|
|
| <h2 id="three-d-assets" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">🧱 3D Assets</h2> |
| <div style="margin-left: 24px; text-align: justify;"> |
|
|
| The complete public Unreal Engine 5.5.4 asset release includes the project files and Scene/Trajectory resources for <strong>14,847 validation scenes and 120,660 training scenes</strong>. See the dedicated guide for download commands, archive layout, extraction, and project setup. |
|
|
| - [Browse the `PhysicBenchmark` project](https://huggingface.co/datasets/vLAR/PhysInOne/tree/main/Assets/PhysicBenchmark) |
| - [Read the 3D asset download and setup guide](https://huggingface.co/datasets/vLAR/PhysInOne/blob/main/Utils/3D_ASSETS_DOWNLOAD.md) |
|
|
| </div> |
|
|
| <h2 id="data-processing" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">🛠️ Data Processing</h2> |
| <div style="margin-left: 24px; text-align: justify;"> |
|
|
| The public toolkit covers static and moving camera generation, Level Sequence creation, unattended Unreal Engine rendering, EXR conversion, and multi-view point-cloud generation. The guides describe the Unreal Engine 5.5.4 setup, required project assets, commands, outputs, and safety behavior. |
|
|
| - [Browse the data-processing source](https://huggingface.co/datasets/vLAR/PhysInOne/tree/main/Utils/data_processing) |
| - [Read the quick-start guide](https://huggingface.co/datasets/vLAR/PhysInOne/blob/main/Utils/data_processing/README.md) |
| - [Read the complete camera and rendering guide](https://huggingface.co/datasets/vLAR/PhysInOne/blob/main/Utils/data_processing/docs/CAMERA_AND_RENDERING.md) |
|
|
| </div> |
|
|
| <h2 id="leaderboard-evaluation-data" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">🏆 Leaderboard Evaluation Data</h2> |
| <div style="margin-left: 24px; text-align: justify;"> |
|
|
| All user-facing evaluation inputs for the four PhysInOne Leaderboard tasks are publicly available; ground-truth targets remain private. See the dedicated guide for task contents, copyable download commands, manifests, output layout, and resume instructions. |
|
|
| - [Browse the public Leaderboard inputs](https://huggingface.co/datasets/vLAR/PhysInOne/tree/main/Leaderboard) |
| - [Read the Leaderboard download guide](https://huggingface.co/datasets/vLAR/PhysInOne/blob/main/Utils/LEADERBOARD_DOWNLOAD.md) |
|
|
| </div> |
|
|
| <h2 id="rendered-data" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">🎞️ Rendered Data</h2> |
| <div style="margin-left: 24px; text-align: justify;"> |
|
|
| The full rendered dataset is distributed across the 16 repositories listed above. Dependency-free public tools can filter scenes by split, interaction type, and physical phenomenon, then download the selected archives with resume support and per-file logs. |
|
|
| - [Read the rendered-data selection and download guide](https://github.com/vLAR-group/PhysInOne/blob/main/docs/DATA_DOWNLOAD.md#full-rendered-dataset-selection) |
| - [Browse the GitHub download tools](https://github.com/vLAR-group/PhysInOne/tree/main/scripts) |
| - [Browse the Hugging Face utility mirror](https://huggingface.co/datasets/vLAR/PhysInOne/tree/main/Utils) |
|
|
| </div> |
|
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| <h2 id="dataset-structure" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">📦 Dataset Structure</h2> |
| <div style="margin-left: 24px;"> |
|
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| ```text |
| AccelConcaveSpin__bg010__m3Zrtz_trajectory/ |
| ├── AccelConcaveSpin__bg010__m3Zrtz_trajectory.json |
| ├── blender_CineCamera_0.json |
| ├── blender_CineCamera_1.json |
| ├── blender_CineCamera_2.json |
| ├── blender_CineCamera_3.json |
| ├── blender_CineCamera_5.json |
| ├── blender_CineCamera_6.json |
| ├── blender_CineCamera_7.json |
| ├── blender_CineCamera_8.json |
| ├── blender_CineCamera_9.json |
| ├── blender_CineCamera_10.json |
| ├── blender_CineCamera_11.json |
| ├── blender_CineCamera_12.json |
| ├── blender_CineCamera_Moving.json |
| ├── cameras.ply |
| ├── caption.txt |
| ├── points3d.ply |
| ├── recorder_stats.json |
| ├── static_camera_list.txt |
| ├── CineCamera_0/ |
| │ ├── depth/ (0000.npz ~ 0089.npz, 90 files) |
| │ ├── rgb/ (0000.jpg ~ 0089.jpg, 90 files) |
| │ └── seg/ (0000.npz ~ 0089.npz, 90 files) |
| ├── CineCamera_1/ |
| │ ... |
| ├── CineCamera_2/ |
| │ ... |
| ├── CineCamera_3/ |
| │ ... |
| ├── CineCamera_5/ |
| │ ... |
| ├── CineCamera_6/ |
| │ ... |
| ├── CineCamera_7/ |
| │ ... |
| ├── CineCamera_8/ |
| │ ... |
| ├── CineCamera_9/ |
| │ ... |
| ├── CineCamera_10/ |
| │ ... |
| ├── CineCamera_11/ |
| │ ... |
| ├── CineCamera_12/ |
| │ ... |
| └── CineCamera_Moving/ |
| ├── depth/ (0000.npz ~ 0089.npz, 90 files) |
| ├── rgb/ (0000.jpg ~ 0089.jpg, 90 files) |
| └── seg/ (0000.npz ~ 0089.npz, 90 files) |
| ``` |
|
|
| </div> |
|
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| <h2 id="annotation-details" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">📝 Annotation Details</h2> |
| <div style="margin-left: 24px; text-align: justify;"> |
|
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| PhysInOne provides synchronized visual and physical annotations for each dynamic 3D scene. |
|
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| <h3 id="depth" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2; margin-left: 0;"><span style="display: inline-block; width: 1.08em;">•</span>Depth</h3> |
| <div style="margin-left: 16px;"> |
|
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| Depth maps are provided in `.npz` format and are expressed in meters. |
|
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| </div> |
|
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| <h3 id="segmentation" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2; margin-left: 0;"><span style="display: inline-block; width: 1.08em;">•</span>Segmentation</h3> |
| <div style="margin-left: 16px;"> |
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| Segmentation masks encode background, static foreground objects, and dynamic foreground objects. |
|
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| Expected encoding: |
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|
| | Pixel Value | Meaning | |
| | ----------- | -------------------------- | |
| | `0` | Background | |
| | `1-127` | Static foreground objects | |
| | `128-255` | Dynamic foreground objects | |
|
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| </div> |
|
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| <h3 id="captions" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2; margin-left: 0;"><span style="display: inline-block; width: 1.08em;">•</span>Captions</h3> |
| <div style="margin-left: 16px;"> |
|
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| Each scene includes a `caption.txt` file containing an English paragraph that describes the visual elements and the physical activity. |
|
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| </div> |
|
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| <h3 id="trajectories" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2; margin-left: 0;"><span style="display: inline-block; width: 1.08em;">•</span>Trajectories</h3> |
| <div style="margin-left: 16px;"> |
|
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| Each sequence includes a JSON file with the same name as the sequence. This file records the per-frame poses of selected dynamic objects, including their rotations and translations in the world coordinate system. |
|
|
| <details> |
| <summary id="trajectory-json-file-structure"><strong>JSON file structure</strong></summary> |
|
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| The JSON file contains two main parts: |
|
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| - `sequence_info`: basic information about the sequence, such as the total number of frames and the frame rate (`fps`). |
| - `actors`: pose and metadata for dynamic objects, including object category, asset index path, actor type, and transformation data. |
|
|
| </details> |
|
|
| <details> |
| <summary id="trajectory-actor-level-pose-storage"><strong>Actor-level pose storage</strong></summary> |
|
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| For each actor, the storage format depends on its `actor_type`: |
|
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| - If `actor_type` is `solid`, the object is treated as a single rigid body. Its per-frame pose is stored in the actor-level `transform_data` field, while the `components` field is empty. |
| - If `actor_type` is `interactable`, the object is represented by multiple components. The actor-level `transform_data` field is empty, and the per-component poses are stored under `components[component_name].transform_data`. |
|
|
| </details> |
|
|
| <details> |
| <summary id="trajectory-pose-entry-format"><strong>Pose entry format in <code>transform_data</code></strong></summary> |
| |
| Each entry in `transform_data` describes the pose of the object or component at a specific frame: |
|
|
| - `frame`: frame index in the sequence |
| - `time_seconds`: timestamp of the frame in seconds |
| - `transform`: object or component transformation, including: |
| - `location`: 3D position |
| - `rotation`: rotation quaternion |
| - `scale`: 3D scale |
|
|
| </details> |
|
|
| </div> |
|
|
| <h3 id="cameras" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2; margin-left: 0;"><span style="display: inline-block; width: 1.08em;">•</span>Cameras</h3> |
| <div style="margin-left: 16px;"> |
|
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| Each scene includes multiple camera viewpoints to support 3D perception, reconstruction, and physics-based visual reasoning tasks. |
|
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| - Taichi-based MPM simulations (elastic solids, plasticine, granular substances, some Newtonian and Non-Newtonian fluids): 15 static cameras + 1 dynamic camera |
| - Other scenes: 12 static cameras + 1 dynamic camera |
|
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| Note: Camera IDs are not fixed across cases. The camera index mapping for each case is stored in `static_camera_list.txt` under that case directory. |
|
|
| <details> |
| <summary id="camera-json-structure"><strong>Camera JSON structure</strong></summary> |
|
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| Per camera: |
|
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| - `frames`: list of per-frame 4×4 camera-to-world (C2W) transformation matrices in **Blender coordinate system** |
| - `camera_angle_x`: horizontal field of view (FOV) in radians, can be used to compute intrinsic focal length |
| - `img_w`, `img_h`: image width and height in pixels |
| - `trajectory_name`: name of the camera trajectory |
| - `total_frames`, `fps`: number of frames and frames per second |
|
|
| </details> |
|
|
| <details> |
| <summary id="dynamic-camera-behavior"><strong>Dynamic camera behavior</strong></summary> |
|
|
| - The dynamic camera moves along a path randomly sampled on a hemisphere surrounding the center of the main objects, providing diverse viewpoints. |
| - JSON frame indices correspond directly to video frame indices. |
|
|
| </details> |
|
|
| </div> |
|
|
| <h3 id="point-clouds" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2; margin-left: 0;"><span style="display: inline-block; width: 1.08em;">•</span>Point Clouds</h3> |
| <div style="margin-left: 16px;"> |
|
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| Each scene should include `points.ply`. |
|
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| The initial point cloud was obtained by back-projecting the pixels from each camera view in the first frame based on depth, followed by randomly sampling 100,000 points from the resulting data. |
|
|
| </div> |
|
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| </div> |
|
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| <h2 id="data-fields" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">🧩 Data Fields</h2> |
| <div style="margin-left: 24px;"> |
|
|
| <h3 id="physical-phenomena" style="font-size: 1.35em; margin-top: 0.75em; margin-bottom: 0.22em; line-height: 1.2; margin-left: 0;"><span style="display: inline-block; width: 1.08em;">•</span>Physical Phenomenon and Abbreviations</h3> |
| <div style="margin-left: 16px; text-align: justify;"> |
|
|
| | ID | Physical Phenomenon | Abbreviation | Related Physical Laws | |
| | ----- | --------------------------------------------------------- | -------------------- | --------------------- | |
| | `1` | Object collide with static, stationary objects | MovingHitsFixed | Laws of Momentum | |
| | `2` | Moving objects collide with non-static stationary objects | MovingHitsStationary | Laws of Momentum | |
| | `3` | Two moving objects collide | MovingHitsMoving | Laws of Momentum | |
| | `...` | ... | ... | ... | |
|
|
| <details> |
| <summary>Click to expand full abbreviation table</summary> |
|
|
| | ID | Physical Phenomenon | Abbreviation | Related Physical Laws | |
| | ----- | ------------------------------------------------------------------------- | --------------------- | ------------------------------------------------------- | |
| | `4` | Objects in equilibrium of wind and gravity | WindGravityBalance | Equilibrium, Aerodynamics, Gravity | |
| | `5` | Wind applied to a stationary object | WindPushStationary | Aerodynamics | |
| | `6` | Wind applied to objects moving in same direction | WindPushSameDir | Aerodynamics | |
| | `7` | Wind applied to objects moving in the opposite direction | WindPushOppDir | Aerodynamics | |
| | `8` | Wind applied to moving objects changes its velocity (applied at an angle) | WindDeflectMotion | Aerodynamics | |
| | `9` | Object thrown up with angle | ObliqueProjectile | Gravity | |
| | `10` | Objects falling straight down | VerticalFall | Gravity | |
| | `11` | Objects rolling down a straight slope | RollDownSlope | Gravity, Friction | |
| | `12` | Objects rolling up a slope | RollUpSlope | Gravity, Friction | |
| | `13` | Magnetic Attraction | MagnetAttract | Magnetism | |
| | `14` | Magnetic Repulsion | MagnetRepel | Magnetism | |
| | `15` | Objects near uniformly rotating pillar | UniformPanelSpin | Laws of Rotation | |
| | `16` | Objects near acceleratingly rotating pillar | AccelPanelSpin | Laws of Rotation | |
| | `17` | Objects inside uniformly rotating bowl | UniformConcaveSpin | Equilibrium, Laws of Rotation, Gravity, Friction | |
| | `18` | Objects inside acceleratingly rotating bowl | AccelConcaveSpin | Equilibrium, Laws of Rotation, Gravity, Friction | |
| | `19` | Objects on uniformly rotating plane | UniformSurfaceSpin | Laws of Rotation, Friction | |
| | `20` | Objects on acceleratingly rotating plane | AccelSurfaceSpin | Laws of Rotation, Friction | |
| | `21` | Objects on coarse surface with friction | FrictionStop | Friction | |
| | `22` | Spring is compressed | SpringCompress | Laws of Elasticity | |
| | `23` | Spring is stretched | SpringStretch | Laws of Elasticity | |
| | `24` | Breakable object shatters | ImpactFracture | Laws of Plasticity | |
| | `25` | Mirror shatters | MirrorFragmentReflect | Laws of Plasticity, Law of Reflection | |
| | `26` | Elastic rope connection | ElasticCouple | Laws of Elasticity | |
| | `27` | Object bounces off spring board | SpringboardRebound | Laws of Elasticity, Laws of Momentum | |
| | `28` | Objects interact with a balanced seesaw | SeesawCenterPivot | Laws of Torque | |
| | `29` | Objects interact with an imbalanced seesaw | SeesawOffsetPivot | Laws of Torque | |
| | `30` | Free balloon floats to ceiling | BalloonFloat | Laws of Buoyancy | |
| | `31` | Tethered balloon pulls string taut | BalloonTether | Laws of Buoyancy, Rope Restraint | |
| | `32` | Multiple balloons lifting | BalloonLift | Laws of Buoyancy, Rope Restraint, Gravity | |
| | `33` | Laser hits flat mirror and reflects | FixedPlanarRedirect | Law of Reflection | |
| | `34` | Laser reflects off multiple mirrors | FixedArrayRedirect | Law of Reflection | |
| | `35` | Laser hits and reflects off concave mirror | FixedConcaveRedirect | Law of Reflection | |
| | `36` | Laser hits and reflects off convex mirror | FixedConvexRedirect | Law of Reflection | |
| | `37` | Mirror sweeps beam | DynMirrorRedirect | Law of Reflection | |
| | `38` | Laser blocked by object | LaserBlock | Light Obstruction | |
| | `39` | Mirror reflection | MirrorReflect | Law of Reflection | |
| | `40` | Cart moving forward with rolling wheels | CartMove | Complex Mechanical Structure Constraints | |
| | `41` | Objects on rotating turntable flies off | RotTurnableInertia | Laws of Rotation, Friction, Laws of Inertia | |
| | `42` | Rotating block pushes another objects | RotBoardInertia | Laws of Inertia, Laws of Rotation, Laws of Momentum | |
| | `43` | One object carrying another | LinCarryInertia | Laws of Inertia, Friction | |
| | `44` | Catapult launches objects | CatapultLaunch | Special Mechanical Structure, Gravity | |
| | `45` | Chain suspends objects | ChainSuspend | Complex Mechanical Structure Constraints, Gravity | |
| | `46` | Objects Swing | SimplePendulum | Laws of Pendulum Motion, Gravity | |
| | `47` | Double Pendulum Moves | DoublePendulum | Laws of Multiple Pendulum Motion, Gravity | |
| | `48` | Crank push objects | CrankPush | Special Mechanical Structure | |
| | `49` | Wall composed of square blocks collapses | BlockWallCollapse | Gravity, Structural Stability | |
| | `50` | Wooden board supported by sticks collapses | StickSupportFail | Gravity, Structural Stability | |
| | `51` | Objects float on the fluid surface | FloatOnLiquid | Laws of Buoyancy, Fluid Dynamics | |
| | `52` | Objects drop into the fluid | DropInLiquid | Laws of Buoyancy, Fluid Dynamics | |
| | `53` | Objects' movement causes fluid motion | MovingObjDriveLiquid | Fluid Dynamics | |
| | `54` | Flowing fluid carries objects along | LiquidCarryMovingObj | Laws of Buoyancy, Fluid Dynamics | |
| | `55` | Fluid flows against stationary objects | LiquidHitFixedObj | Fluid Dynamics | |
| | `56` | Fluid transfers from one container to another | LiquidTransfer | Fluid Dynamics, Conservation of Mass, Surface Tension | |
| | `57` | Fluid passes through several connected containers | LiquidMultiTransfers | Fluid Dynamics, Conservation of Mass, Surface Tension | |
| | `58` | Fluid flows through grid-like structures | LiquidThroughGrid | Fluid Dynamics, Conservation of Mass | |
| | `59` | Fluid moves across mountainous or uneven landscapes | LiquidAcrossUneven | Fluid Dynamics | |
| | `60` | Increasing fluid volume elevates the surface level | LiquidRise | Fluid Dynamics | |
| | `61` | Fluid flows along the contours of an object's surface | LiquidAlongContours | Fluid Dynamics | |
| | `62` | Jet-like fluid projection upward or outward | JetLiquid | Fluid Dynamics | |
| | `63` | Fluid exhibits surface tension | LiquidTension | Fluid Dynamics, Laws of Surface Tension | |
| | `64` | Fluid refracts light when crossing media | LiquidRefraction | Fluid Dynamics, Optics, Law of Refraction (Snell's Law) | |
| | `65` | Sticky fluid drips and accumulates on objects | StickyToObjects | Laws of Cohesion, Viscous Flow | |
| | `66` | Sticky fluid falls from an object's surface | StickyFromObjects | Laws of Cohesion, Laws of Viscous Flow (Navier-Stokes) | |
| | `67` | An elastic object falls and bounces on another surface | ElasticFall | Laws of Elasticity | |
| | `68` | A plasticine object falls and deforms on a surface | PlasticineFall | Laws of Plasticity | |
| | `69` | A Newtonian fluid falls and spreads across a surface | NewtonianFluidFall | Laws of Viscous Flow (Navier-Stokes) | |
| | `70` | A Non-Newtonian fluid falls and flows with variable resistance | NonNewtonianFluidFall | Laws of Viscoplastics Flow | |
| | `71` | A granular substance falls and disperses across a surface | GranularFall | Laws of Friction | |
|
|
| </details> |
|
|
| Example: MovingHitsStationary_WindDeflectMotion_BalloonFloat__bg140__TZlWl1 |
|
|
| - The first three components correspond to specific physical phenomenon abbreviations (see table above). |
| - `bg140` indicates that the scene uses background number 140. |
| - The last six-character string (`TZlWl1`) is a unique hash code generated for this scene to guarantee uniqueness. |
|
|
| This naming convention allows users to quickly parse scene metadata and link it to the corresponding physical phenomena, background, and unique identifier. |
|
|
| </div> |
|
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| </div> |
|
|
| <h2 id="license" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">📜 License</h2> |
|
|
| <div style="margin-left: 24px; text-align: justify;"> |
|
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| All 3D assets and materials included in PhysInOne have been sourced from publicly available platforms and verified to carry licenses compatible with non-commercial use. These include: |
|
|
| - SketchFab: assets under various licenses, verified that AI-related usage is allowed. |
| - Fab: assets under CC BY or Unreal Engine Standard License, explicitly permitting AI-related usage. |
| - BlenderKit: distributed under Royalty-Free (RF) license. |
| - ShareTextures: textures under CC0 license. |
|
|
| In total, assets comply with licenses including CC BY-NC, CC BY-SA, CC BY-NC-SA, CC0, CC BY, and RF, ensuring all files can be legally used for building a non-commercial dataset. Users must adhere to the original licenses for any redistribution or derivative work. |
|
|
| </div> |
|
|
| <h2 id="citation" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">📚 Citation</h2> |
|
|
| <div style="margin-left: 24px; text-align: justify;"> |
|
|
| If you use PhysInOne in your research, please cite: |
|
|
| ```bibtex |
| @misc{zhou2026physinonevisualphysicslearning, |
| title={PhysInOne: Visual Physics Learning and Reasoning in One Suite}, |
| author={Siyuan Zhou and Hejun Wang and Hu Cheng and Jinxi Li and Dongsheng Wang and Junwei Jiang and Yixiao Jin and Jiayue Huang and Shiwei Mao and Shangjia Liu and Yafei Yang and Hongkang Song and Shenxing Wei and Zihui Zhang and Peng Huang and Shijie Liu and Zhengli Hao and Hao Li and Yitian Li and Wenqi Zhou and Zhihan Zhao and Zongqi He and Hongtao Wen and Shouwang Huang and Peng Yun and Bowen Cheng and Pok Kazaf Fu and Wai Kit Lai and Jiahao Chen and Kaiyuan Wang and Zhixuan Sun and Ziqi Li and Haochen Hu and Di Zhang and Chun Ho Yuen and Bing Wang and Zhihua Wang and Chuhang Zou and Bo Yang}, |
| year={2026}, |
| eprint={2604.09415}, |
| archivePrefix={arXiv}, |
| primaryClass={cs.CV}, |
| url={https://arxiv.org/abs/2604.09415}, |
| } |
| ``` |
|
|
| </div> |
|
|
| <h2 id="contact" style="margin-left: 0; font-size: 1.9em; line-height: 1.22; margin-top: 1.2em; margin-bottom: 0.5em;">📮 Contact</h2> |
|
|
| <div style="margin-left: 24px; text-align: justify;"> |
|
|
| For questions about the dataset, please contact: |
|
|
| - {siyuan.zhou, hejun.wang, hu123.cheng, jinxi.li}@connect.polyu.hk, bo.yang@polyu.edu.hk |
|
|
| </div> |
|
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| </main> |
| </div> |
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|
