Different J_regressor matrix for training and evaluation about graphcmr HOT 3 CLOSED

The joints used in Human3.6M have a slightly different definition than those used by the SMPL body model, so we use a different regressor to accurately recover them from vertices during evaluation.
You can use this definition of joints during training as well, but for simplicity we use a single regressor that is compatible with all training datasets.

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Thanks! I have tried to apply both regressors on T mesh and found the joints position are slightly different as you said. It seems that the joints of Human3.6M are more near the skin than the SMPL joints, which located inside the body. Is this consistent with your observation?

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Yes, there are only minor differences.

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