do_texture_mapping: True for ray texture, False for vertices texture

x_list contains a list of tensors to nest together and run

Defines planes by the three vectors that form the "axes" of the plane. Should work with arbitrary number of planes and planes of arbitrar

Finds the python object with the given name.

Determine whether the given object is a top-level function, i.e., defined at module scope using 'def'.

Determine whether the given object is a valid URL string.

@param: frame is the current frame @param: x_motion_mesh is the motion_mesh to be warped on frame along x-direction @param: y

@param: old_points are points in old_frame that are matched feature points with new_frame @param: new_points are points in new_fr

@param: H is homography matrix of dimension (3x3) @param: pt is the (x, y) point to be transformed Return: returns a transfo

Does a projection of a 3D point onto a batch of 2D planes, returning 2D plane coordinates. Takes plane axes of shape n_planes, 3, 3

open and convert all images in a list or folder to proper input format for DUSt3R

Return depths of importance sampled points along rays. See NeRF importance sampling for more.

Sample @N_importance samples from @bins with distribution defined by @weights. Inputs: bins: (N_rays, N_samples_+1) where

args: rgb_maybe: PIL.Image, with RGB mode or RGBA mode force: bool, if input is RGBA mode, covert to RGB