Windef

PIV evaluation

first_pass(frame_a, frame_b[, window_size, ...])	Zero order PIV
multipass_img_deform(frame_a, frame_b, ...)	PIV with image deformation

Window deformation

create_deformation_field(frame, x, y, u, v)	Create a deformation field
deform_windows(frame_a, frame_b, x, y, u, v)	Deform images by interpolation