Upload README.md

README.md

@@ -107,10 +107,11 @@ Each scene may contain multi-object and multi-physics interactions in complex 3D
 
 The dataset is designed to support research on physics-aware video generation, future frame prediction, physical property estimation, motion transfer, physical reasoning, and world models.
 
-## 🚀 Release Timetable
+# 🚀 Release Timetable
 
 | Component             | Progress                      | Status       | Notes                             |
 | --------------------- | ----------------------------- | ------------ | --------------------------------- |
+| SubSet                | `██████████`100%              | Released     |                                   |
 | Rendered Data - Train | `█░░░░░░░░░` 5%(5277/122,988) | In progress  | Last updated: May 21              |
 | Rendered Data - Test  | `░░░░░░░░░░` 0%(0/15411)      | In progress  |                                   |
 | Rendered Data - Val   | `░░░░░░░░░░` 1%(103/15411)    | In progress  |                                   |
@@ -118,9 +119,8 @@ The dataset is designed to support research on physics-aware video generation, f
 | Leaderboard           | `░░░░░░░░░░` 0%               | Ongoing      | Link will be added when available |
 | Baseline code         | `░░░░░░░░░░` 0%               | Not released | Expected around June              |
 | Data processing       | `░░░░░░░░░░` 0%               | Not released | Expected around June              |
-| SubSet                | `██████████`100%              | Released     |                                   |
 
-## 📥 How to Use
+# 📥 How to Use
 
 ### Filtering and Search
 
@@ -146,7 +146,7 @@ python scripts/download.py \
   --output_dir ./PhysInOne
 ```
 
-### Download by Exported JSON
+### Download via Filters
 
 ```bash
 python scripts/download.py \
@@ -175,13 +175,13 @@ python scripts/download.py \
   --output_dir ./PhysInOne
 ```
 
-## 🎬 Visual Overview
+# 🎬 Visual Overview
 
 <p align="center">
   <img src="assets/teaser.png" width="900">
 </p>
 
-## 📦 Dataset Structure
+# 📦 Dataset Structure
 
 The exact released structure may vary depending on the hosted version. A recommended structure is shown below.
 
@@ -223,7 +223,7 @@ PhysInOne/
     └── visualize_sample.py
 ```
 
-### 📊 Data Splits
+# 📊 Data Splits
 
 PhysInOne is split into train, validation, and test sets. Each split is intended for a different stage of model development and evaluation.
 
@@ -233,7 +233,7 @@ PhysInOne is split into train, validation, and test sets. Each split is intended
 | Validation | Model selection and ablation | Used for validation and development-time evaluation            |
 | Test       | Final evaluation             | Used for held-out benchmarking and leaderboard submission      |
 
-## 🧩 Data Fields
+# 🧩 Data Fields
 
 ### Abbreviations
 
@@ -319,7 +319,7 @@ The following physical-phenomenon IDs are derived from Table 8 in the supplement
 | ----- | ---- | ----------- |
 | `id`  |      |             |
 
-## 📝 Annotation Details
+# 📝 Annotation Details
 
 PhysInOne provides synchronized visual and physical annotations for each dynamic 3D scene.
 
@@ -407,14 +407,9 @@ Please specify whether camera extrinsics are stored as world-to-camera or camera
 
 ### Point Clouds
 
-Each scene may include `points.ply`.
-
-Expected behavior:
+Each scene should include `points.ply`.
 
-- The point cloud is sampled from the first frame.
-- It includes multiple camera views after depth back-projection.
-- It is randomly sampled to approximately **100,000 points**.
-- The file format is `.ply`.
+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.
 
 Recommended path format:
 
@@ -424,7 +419,7 @@ annotations/pointclouds/{split}/{scene_id}/points.ply
 
 Please specify whether point colors, normals, semantic labels, or instance labels are included in the `.ply` file.
 
-## 🧪 Supported Tasks and Benchmarks
+# 🧪 Supported Tasks and Benchmarks
 
 PhysInOne supports the following visual physics learning and reasoning tasks.
 
@@ -436,11 +431,11 @@ PhysInOne supports the following visual physics learning and reasoning tasks.
 
 - Motion Transfer
 
-## 📜 License
+# 📜 License
 
 TODO: Add the final dataset license.
 
-## 📚 Citation
+# 📚 Citation
 
 If you use PhysInOne in your research, please cite:
 
@@ -453,7 +448,7 @@ If you use PhysInOne in your research, please cite:
 }
 ```
 
-## 📮 Contact
+# 📮 Contact
 
 For questions about the dataset, please contact: