Generate integrated directional encoding (IDE) function. This function returns a function that computes the integrated directional encodi

:param rays_o: rn,3 :param rays_d: rn,3 :param near: rn,1 :param far: rn,1 :param human_poses: rn,3,

:param rays_o: rn,3 :param rays_d: rn,3 :param near: rn,1 :param far: rn,1 :param human_poses: rn,3,

:param rays_o: rn,3 :param rays_d: rn,3 :param near: rn,1 :param far: rn,1 :param human_poses: rn,3,

:param rays_o: rn,3 :param rays_d: rn,3 :param near: rn,1 :param far: rn,1 :param human_poses: rn,3,

elements: sequence of PlyElement instances. text: whether the resulting PLY file will be text (True) or binary (False).

clamp */

@param point: point in normalized image coordinate not in pixels @return: R R @ x_raw -> x_lookat

:param hpts: n,3 or n,2 :param lines: n,3 :return:

Return quaternion from rotation matrix. If isprecise is True, the input matrix is assumed to be a precise rotation matrix and a faster algori

Reshape pixels from four input images to make tiled 2x2 quads.

differentiable ray-triangle intersection # <Fast, Minimum Storage Ray/triangle Intersection> # https://cadxfem.org/inf/Fast%2