Patent ID: 8055060

Claim:
An image processing apparatus, comprising: a camera unit including two cameras for obtaining a base image and a reference image with regard to an object respectively; an image processor including: a first window setting portion setting a window on said base image, a second window setting portion setting a window on said reference image, a transform portion performing a frequency decomposition upon an image in the window set by said first window setting portion and an image in the window set by said second window setting portion, a weight function setting portion setting a weight function for said frequency-decomposed images, based on at least a part of frequency components of the images in said windows, and an operation portion operating correspondence between said base image and said reference image based on the frequency-decomposed images and said weight function; and an output unit for outputting a result from the image processor, wherein said weight function setting portion determines a characteristic of a texture based on a ratio between amplitude components at least two frequencies of the image in one of said first window and said second window, and sets the weight function based on the characteristic of the texture.