DART2022 / DART

DART: Articulated Hand Model with Diverse Accessories and Rich Textures (NeurIPS 2022 - Datasets and Benchmarks Track)
https://dart2022.github.io/
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关于坐标系的问题 #9

Closed liangzhenghao2000 closed 1 year ago

liangzhenghao2000 commented 1 year ago

我想问一下数据里存的raw_mano_param是哪个坐标系下的,是unity(z轴朝相机朝向)下的还是渲染坐标系(z轴朝相机朝向的反方向)下的?

tomguluson92 commented 1 year ago

Hello, 请checkhttps://github.com/DART2022/DART/blob/master/DARTset.py#L196

liangzhenghao2000 commented 1 year ago

Hello, 请checkhttps://github.com/DART2022/DART/blob/master/DARTset.py#L196

我看到代码上注释写的是从UNITY坐标系转到OpenGL坐标系(DARTset.py第94和第103行),但是却又将手中心移到了[0, 0, 0.5]的位置(DARTset.py第98和第107行),如果是OpenGL坐标系[0, 0, 0.5]应该是在相机背面?