Duplicate from ToferFish/RealX3D
Browse filesCo-authored-by: Shuhong Liu <ToferFish@users.noreply.huggingface.co>
- .gitattributes +60 -0
- README.md +237 -0
- baseline_results/defocus_mild_baseline.tar.gz +3 -0
- baseline_results/defocus_strong_baseline.tar.gz +3 -0
- baseline_results/dynamic_baseline.tar.gz +3 -0
- baseline_results/exposure_baseline.tar.gz +3 -0
- baseline_results/haze_baseline.tar.gz +3 -0
- baseline_results/lowlight_baseline.tar.gz +3 -0
- baseline_results/motion_mild_baseline.tar.gz +3 -0
- baseline_results/motion_strong_baseline.tar.gz +3 -0
- baseline_results/reflection_baseline.tar.gz +3 -0
- data/data_defocus_mild.tar.gz +3 -0
- data/data_defocus_strong.tar.gz +3 -0
- data/data_dynamic.tar.gz +3 -0
- data/data_lowlight.tar.gz +3 -0
- data/data_motion_mild.tar.gz +3 -0
- data/data_motion_strong.tar.gz +3 -0
- data/data_reflection.tar.gz +3 -0
- data/data_smoke.tar.gz +3 -0
- data/data_varyexp.tar.gz +3 -0
- data_4/data4_defocus_mild.tar.gz +3 -0
- data_4/data4_defocus_strong.tar.gz +3 -0
- data_4/data4_dynamic.tar.gz +3 -0
- data_4/data4_lowlight.tar.gz +3 -0
- data_4/data4_motion_mild.tar.gz +3 -0
- data_4/data4_motion_strong.tar.gz +3 -0
- data_4/data4_reflection.tar.gz +3 -0
- data_4/data4_smoke.tar.gz +3 -0
- data_4/data4_varyexp.tar.gz +3 -0
- pointclouds/Akikaze.tar.gz +3 -0
- pointclouds/BlueHawaii.tar.gz +3 -0
- pointclouds/Chocolate.tar.gz +3 -0
- pointclouds/Cupcake.tar.gz +3 -0
- pointclouds/Futaba.tar.gz +3 -0
- pointclouds/GearWorks.tar.gz +3 -0
- pointclouds/Hinoki.tar.gz +3 -0
- pointclouds/Koharu.tar.gz +3 -0
- pointclouds/Laboratory.tar.gz +3 -0
- pointclouds/Limon.tar.gz +3 -0
- pointclouds/Midori.tar.gz +3 -0
- pointclouds/MilkCookie.tar.gz +3 -0
- pointclouds/Natsume.tar.gz +3 -0
- pointclouds/Popcorn.tar.gz +3 -0
- pointclouds/Sculpture.tar.gz +3 -0
- pointclouds/Shirohana.tar.gz +3 -0
- pointclouds/Tsubaki.tar.gz +3 -0
- pointclouds/Ujikintoki.tar.gz +3 -0
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| 1 |
+
---
|
| 2 |
+
license: mit
|
| 3 |
+
task_categories:
|
| 4 |
+
- image-to-3d
|
| 5 |
+
- depth-estimation
|
| 6 |
+
- image-to-image
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| 7 |
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tags:
|
| 8 |
+
- 3d-reconstruction
|
| 9 |
+
- multi-view
|
| 10 |
+
- nerf
|
| 11 |
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- 3d-gaussian-splatting
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| 12 |
+
- novel-view-synthesis
|
| 13 |
+
- benchmark
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| 14 |
+
- colmap
|
| 15 |
+
- point-cloud
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| 16 |
+
- depth-map
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| 17 |
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- raw-image
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| 18 |
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- computational-photography
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| 19 |
+
pretty_name: "RealX3D: A Physically-Degraded 3D Benchmark for Multi-view Visual Restoration and Reconstruction"
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| 20 |
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size_categories:
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| 21 |
+
- 1K<n<10K
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| 22 |
+
---
|
| 23 |
+
|
| 24 |
+
<div align="center">
|
| 25 |
+
|
| 26 |
+
# RealX3D: A Physically-Degraded 3D Benchmark for Multi-view Visual Restoration and Reconstruction
|
| 27 |
+
|
| 28 |
+
[](https://i2wm.github.io/3DRR_2026/)
|
| 29 |
+
[](https://github.com/ShuhongLL/RealX3D)
|
| 30 |
+
[](https://arxiv.org/abs/2512.23437)
|
| 31 |
+
[](https://www.codabench.org/competitions/13854/)
|
| 32 |
+
[](https://opensource.org/licenses/MIT)
|
| 33 |
+
|
| 34 |
+
</div>
|
| 35 |
+
|
| 36 |
+
**RealX3D** is a real-world benchmark dataset for multi-view 3D reconstruction under challenging capture conditions. It provides multi-view RGB images (both processed JPEG and Sony RAW), COLMAP sparse reconstructions, and high-precision 3D ground-truth geometry (point clouds, meshes, and rendered depth maps) across a diverse set of scenes and degradation types.
|
| 37 |
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|
| 38 |
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<div align="center">
|
| 39 |
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<table>
|
| 40 |
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<tr>
|
| 41 |
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<td align="center"><b>🌙 Low Light</b></td>
|
| 42 |
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<td align="center"><b>💨 Smoke</b></td>
|
| 43 |
+
</tr>
|
| 44 |
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<tr>
|
| 45 |
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<td align="center">
|
| 46 |
+
<video src="https://raw.githubusercontent.com/I2WM/i2wm.github.io/main/3DRR_2026/static/videos/lowlight_teaser_compressed.mp4" width="400" controls autoplay muted loop></video>
|
| 47 |
+
</td>
|
| 48 |
+
<td align="center">
|
| 49 |
+
<video src="https://raw.githubusercontent.com/I2WM/i2wm.github.io/main/3DRR_2026/static/videos/smoke_teaser_compressed.mp4" width="400" controls autoplay muted loop></video>
|
| 50 |
+
</td>
|
| 51 |
+
</tr>
|
| 52 |
+
</table>
|
| 53 |
+
</div>
|
| 54 |
+
|
| 55 |
+
## ✨ Key Features
|
| 56 |
+
|
| 57 |
+
- **9 real-world degradation conditions**: defocus (mild/strong), motion blur (mild/strong), low light, smoke, reflection, dynamic objects, and varying exposure.
|
| 58 |
+
- **Full-resolution (\~7000×4700) and quarter-resolution (\~1800×1200)** JPEG images with COLMAP reconstructions.
|
| 59 |
+
- **Sony RAW (ARW)** sensor data with complete EXIF metadata for 7 conditions.
|
| 60 |
+
- **Per-frame metric depth maps** rendered from laser-scanned meshes.
|
| 61 |
+
- **Camera poses and intrinsics** in both COLMAP binary format and NeRF-compatible `transforms.json`.
|
| 62 |
+
|
| 63 |
+
## 📁 Dataset Structure
|
| 64 |
+
|
| 65 |
+
```
|
| 66 |
+
RealX3D/
|
| 67 |
+
├── data/ # Full-resolution JPEG images + COLMAP reconstructions
|
| 68 |
+
├── data_4/ # Quarter-resolution JPEG images + COLMAP reconstructions
|
| 69 |
+
├── baseline_results/ # Baseline methods rendering results on data_4 for direct download
|
| 70 |
+
├── data_arw/ # Sony RAW (ARW) sensor data
|
| 71 |
+
├── pointclouds/ # 3D point clouds, meshes, and metric depth maps
|
| 72 |
+
└── scripts/ # Utilities scripts
|
| 73 |
+
```
|
| 74 |
+
|
| 75 |
+
## 🚀 Release Status
|
| 76 |
+
|
| 77 |
+
> - [x] `data/` — Full-resolution JPEG images + COLMAP
|
| 78 |
+
> - [x] `data_4/` — Quarter-resolution JPEG images + COLMAP
|
| 79 |
+
> - [x] `baseline_results/` - Baseline rendering results
|
| 80 |
+
> - [ ] `data_arw/` — Sony RAW (ARW) sensor data
|
| 81 |
+
> - [x] `pointclouds/` — 3D ground-truth geometry (point clouds, meshes, depth maps)
|
| 82 |
+
|
| 83 |
+
|
| 84 |
+
## 🌧️ Capture Conditions
|
| 85 |
+
|
| 86 |
+
| Condition | Description |
|
| 87 |
+
|-----------|-------------|
|
| 88 |
+
| `defocus_mild` | Mild defocus blur |
|
| 89 |
+
| `defocus_strong` | Strong defocus blur |
|
| 90 |
+
| `motion_mild` | Mild motion blur |
|
| 91 |
+
| `motion_strong` | Strong motion blur |
|
| 92 |
+
| `dynamic` | Dynamic objects in the scene |
|
| 93 |
+
| `reflection` | Specular reflections |
|
| 94 |
+
| `lowlight` | Low-light environment |
|
| 95 |
+
| `smoke` | Smoke / particulate occlusion |
|
| 96 |
+
| `varyexp` | Varying exposure |
|
| 97 |
+
|
| 98 |
+
## 🏛️ Scenes
|
| 99 |
+
|
| 100 |
+
Akikaze, BlueHawaii, Chocolate, Cupcake, GearWorks, Hinoki, Koharu, Laboratory, Limon, MilkCookie, Natsume, Popcorn, Sculpture, Shirohana, Ujikintoki
|
| 101 |
+
|
| 102 |
+
---
|
| 103 |
+
|
| 104 |
+
## 📸 `data/` — Full-Resolution JPEG Images
|
| 105 |
+
|
| 106 |
+
Full-resolution JPEG images and corresponding COLMAP sparse reconstructions, organized by **condition → scene**.
|
| 107 |
+
|
| 108 |
+
### Per-Scene Directory Layout
|
| 109 |
+
|
| 110 |
+
```
|
| 111 |
+
data/{condition}/{scene}/
|
| 112 |
+
├── train/ # Training images (~23–31 frames)
|
| 113 |
+
│ ├── 0001.JPG
|
| 114 |
+
│ └── ...
|
| 115 |
+
├── val/ # Validation images (~23–31 frames)
|
| 116 |
+
│ └── ...
|
| 117 |
+
├── test/ # Test images (~4–6 frames)
|
| 118 |
+
│ └── ...
|
| 119 |
+
├── transforms_train.json # Camera parameters & poses (training split)
|
| 120 |
+
├── transforms_val.json # Camera parameters & poses (validation split)
|
| 121 |
+
├── transforms_test.json # Camera parameters & poses (test split)
|
| 122 |
+
├── point3d.ply # COLMAP sparse 3D point cloud
|
| 123 |
+
├── colmap2world.txt # 4×4 COLMAP-to-world coordinate transform
|
| 124 |
+
├── sparse/0/ # COLMAP sparse reconstruction
|
| 125 |
+
│ ├── cameras.bin / cameras.txt
|
| 126 |
+
│ ├── images.bin / images.txt
|
| 127 |
+
│ └── points3D.bin / points3D.txt
|
| 128 |
+
├── distorted/sparse/0/ # Pre-undistortion COLMAP reconstruction
|
| 129 |
+
└── stereo/ # MVS configuration files
|
| 130 |
+
```
|
| 131 |
+
|
| 132 |
+
### 📐 `transforms.json` Format
|
| 133 |
+
|
| 134 |
+
Each `transforms_*.json` file contains shared camera intrinsics and per-frame extrinsics following [`Blender Dataset`](https://docs.nerf.studio/quickstart/data_conventions.html) format, for example:
|
| 135 |
+
|
| 136 |
+
```json
|
| 137 |
+
{
|
| 138 |
+
"camera_angle_x": 1.295,
|
| 139 |
+
"camera_angle_y": 0.899,
|
| 140 |
+
"fl_x": 4778.31,
|
| 141 |
+
"fl_y": 4928.04,
|
| 142 |
+
"cx": 3649.23,
|
| 143 |
+
"cy": 2343.41,
|
| 144 |
+
"w": 7229.0,
|
| 145 |
+
"h": 4754.0,
|
| 146 |
+
"k1": 0, "k2": 0, "k3": 0, "k4": 0,
|
| 147 |
+
"p1": 0, "p2": 0,
|
| 148 |
+
"is_fisheye": false,
|
| 149 |
+
"aabb_scale": 2,
|
| 150 |
+
"frames": [
|
| 151 |
+
{
|
| 152 |
+
"file_path": "train/0001.JPG",
|
| 153 |
+
"sharpness": 25.72,
|
| 154 |
+
"transform_matrix": [[...], [...], [...], [...]]
|
| 155 |
+
}
|
| 156 |
+
]
|
| 157 |
+
}
|
| 158 |
+
```
|
| 159 |
+
|
| 160 |
+
All distortion coefficients are zero (images are pre-undistorted).
|
| 161 |
+
|
| 162 |
+
### 🖼️ Image Specifications
|
| 163 |
+
|
| 164 |
+
- **Format**: JPEG
|
| 165 |
+
- **Resolution**: ~7000 × 4700 pixels (varies slightly across scenes)
|
| 166 |
+
- **Camera**: Sony ILCE-7M4 (α7 IV)
|
| 167 |
+
- **Camera Model**: PINHOLE (pre-undistorted)
|
| 168 |
+
|
| 169 |
+
---
|
| 170 |
+
|
| 171 |
+
## 📸 `data_4/` — Quarter-Resolution JPEG Images (Used for 2026 NTIRE-3DRR Challenge)
|
| 172 |
+
|
| 173 |
+
Identical directory structure to `data/`, with images downsampled to **1/4 resolution** (~1800 × 1200 pixels). Camera intrinsics (`fl_x`, `fl_y`, `cx`, `cy`, `w`, `h`) in the `transforms.json` files are adjusted accordingly. All 9 capture conditions and their scenes are included.
|
| 174 |
+
|
| 175 |
+
---
|
| 176 |
+
|
| 177 |
+
## 📷 `data_arw/` — Sony RAW Data
|
| 178 |
+
|
| 179 |
+
Sony ARW (TIFF-wrapped RAW) sensor data preserving full EXIF metadata.
|
| 180 |
+
|
| 181 |
+
### Differences from `data/`
|
| 182 |
+
|
| 183 |
+
- **Image format**: `.ARW` (~33–35 MB per frame)
|
| 184 |
+
- **7 conditions available**: `defocus_mild`, `defocus_strong`, `dynamic`, `lowlight`, `reflection`, `smoke`, `varyexp` (motion blur conditions are **excluded**)
|
| 185 |
+
|
| 186 |
+
### Per-Scene Directory Layout
|
| 187 |
+
|
| 188 |
+
```
|
| 189 |
+
data_arw/{condition}/{scene}/
|
| 190 |
+
├── train/ # ARW raw images
|
| 191 |
+
├── val/
|
| 192 |
+
├── test/
|
| 193 |
+
└── sparse/0/ # COLMAP sparse reconstruction
|
| 194 |
+
```
|
| 195 |
+
|
| 196 |
+
---
|
| 197 |
+
|
| 198 |
+
## 📍 `pointclouds/` — 3D Ground Truth
|
| 199 |
+
|
| 200 |
+
High-precision 3D geometry ground truth, organized directly by **scene name** (geometry is shared across capture conditions for the same scene).
|
| 201 |
+
|
| 202 |
+
### Per-Scene Directory Layout
|
| 203 |
+
|
| 204 |
+
```
|
| 205 |
+
pointclouds/{scene}/
|
| 206 |
+
├── cull_pointcloud.ply # Culled point cloud (view-frustum trimmed)
|
| 207 |
+
├── cull_mesh.ply # Culled triangle mesh
|
| 208 |
+
├── colmap2world.npy # 4×4 COLMAP-to-world transform (NumPy format)
|
| 209 |
+
└── depth/ # 16-bit Depth maps rendered from the mesh
|
| 210 |
+
├── 0001.png
|
| 211 |
+
├── 0002.png
|
| 212 |
+
└── ...
|
| 213 |
+
```
|
| 214 |
+
|
| 215 |
+
The `colmap2world.npy` matrix aligns COLMAP reconstructions to the world coordinate system of the ground-truth geometry. The same transform is also stored as `colmap2world.txt` in the corresponding `data/` directories.
|
| 216 |
+
|
| 217 |
+
---
|
| 218 |
+
|
| 219 |
+
## 📜 Citation
|
| 220 |
+
|
| 221 |
+
```bibtex
|
| 222 |
+
@article{liu2025realx3d,
|
| 223 |
+
title = {RealX3D: A Physically-Degraded 3D Benchmark for Multi-view
|
| 224 |
+
Visual Restoration and Reconstruction},
|
| 225 |
+
author = {Liu, Shuhong and Bao, Chenyu and Cui, Ziteng and Liu, Yun
|
| 226 |
+
and Chu, Xuangeng and Gu, Lin and Conde, Marcos V and
|
| 227 |
+
Umagami, Ryo and Hashimoto, Tomohiro and Hu, Zijian and others},
|
| 228 |
+
journal = {arXiv preprint arXiv:2512.23437},
|
| 229 |
+
year = {2025}
|
| 230 |
+
}
|
| 231 |
+
```
|
| 232 |
+
|
| 233 |
+
---
|
| 234 |
+
|
| 235 |
+
## 📄 License
|
| 236 |
+
|
| 237 |
+
This dataset is released under the [MIT License](https://opensource.org/licenses/MIT).
|
baseline_results/defocus_mild_baseline.tar.gz
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pointclouds/GearWorks.tar.gz
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|
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|
|
|
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