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[COURSE] Add 3D Reconstruction

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发现仓库下没有计算机视觉相关课程，于是添加了计算机类别与计算视觉三维重建课程

problem between pose form colmap sparse point cloud and pose in the dataset

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hi，I am doing some work on point cloud acceleration nerf. But I find the pose generated by colmap is different from the pose provided by the dataset. So observing the...

关于评价指标

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您好，我想请问下是不是没有写val和test的预测结果和GT评价指标的相关代码呢？因为我看到只有在计算loss的时候才计算了IOU，在推理阶段并没有看到相关指标。期待您的回复，谢谢。

when I try to run eval or render，i find the code will get some camera pose like "c2w，c2w_colmap" from poses_bounds.npy . So, what's mean of these parameter and poses_bounds.npy? Another...

mesh have empty

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thank you for this nice work. when i test my data , i find my ply will render empty blocks, and mesh is also.so can you give me some advcies...

测试卡在load model

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我在测试时，程序似乎卡在load the model ，对于该问题，你知道是什么情况导致的吗？