数据集：Dynamic Furry Animal Dataset

cat
├──  img
│     └── run                     - Motion name.
│       └── %d                    - The frame number, start from 0. 					
│         └──img_%04d.jpg   		  - RGB images for each view. view number start from 0.
│         └──img_%04d_alpha.png   - Alpha mattes for corresponding RGB image.
│     └── ...
│
├──  volumes				
│     └── coords_init.pth			    - voxel coordinates represent an animal in rest pose.
│     └── volume_indices.pth      - The indices of bones to which the voxels are bound.
|     └── volume_weights.pth      - The skinning weights of the voxels.
|     └── radius.txt              - The radius of the volume. 
|
├──  bones
│     └── run                     - Motion name.
│       └── Bones_%04d.inf        - The skeletal pose for each frame, start from 0. In each row, the 3x4 [R T] matrix is displayed in columns, with the third column followed by columns 1, 2, and 4.
│     └── ...
|     └── bones_parents.npy       - The parent bone index of each bone.
|     └── Bones_0000.inf          - The rest pose.
| 
├──  CamPose.inf				          - Camera extrinsics. In each row, the 3x4 [R T] matrix is displayed in columns, with the third column followed by columns 1, 2, and 4, where R*X^{camera}+T=X^{world}.
│ 
└──  Intrinsic.inf				        - Camera intrinsics. The format of each intrinsics is: "idx \n fx 0 cx \n 0 fy cy \n 0 0 1 \n \n" (idx starts from 0)
│
└──  sequences				            - Motion sequences. The format of each motion is: "motion_name frames\n"

原始数据

艺术家建模了九种高质量的 CGI 动物，包括熊猫、狮子、猫等。
它们具有基于纤维/线的毛皮和骨骼。

数据集没有找到原始的CGI mesh和skinning

合成数据

使用商业渲染引擎（例如 MAYA）将所有这些 CGI 动物角色渲染成各种代表性骨骼运动下的高质量多视图 1080 × 1080 RGBA 视频。具体来说，我们采用了 36 个摄像机视图，这些摄像机视图均匀地围绕捕获的动物排列成一个圆圈，每个动物的代表性姿势数量从 700 到 1000 个不等。

人工标注

生成标注

  1. 基于Artemis论文方法生成体素以及体素的skinning weight
  2. 动作数据

Reference

  1. 论文：https://caterpillarstudygroup.github.io/ReadPapers/32.html
  2. 数据集下载地址：https://shanghaitecheducn-my.sharepoint.com/:f:/g/personal/luohm_shanghaitech_edu_cn/Et60lJpJdp5DoyQF7uzP6jgB_JEW4LIHixAyXEiVhHT3Vw?e=d09jtz
  3. github：https://github.com/HaiminLuo/Artemis