def _get_pose_stats(kps):
        """Get statistic information `mean` and `std` of pose data.

        Args:
            kps (ndarray): keypoints in shape [..., K, D] where K and C is
                the keypoint category number and dimension.
        Returns:
            mean (ndarray): [K, D]
        """
        assert kps.ndim > 2
        K, D = kps.shape[-2:]
        kps = kps.reshape(-1, K, D)
        mean = kps.mean(axis=0)
        std = kps.std(axis=0)
        return mean, std
Get statistic information `mean` and `std` of pose data.

        Args:
            kps (ndarray): keypoints in shape [..., K, D] where K and C is
                the keypoint category number and dimension.
        Returns:
            mean (ndarray): [K, D]
        
mmpose/tools/dataset_converters/preprocess_h36m.py