The endoscope image processing apparatus (1) includes an enlargement / reduction unit (31) that enlarges / reduces a plurality of color component images and special light images constituting a normal light image, and one enlarged / reduced color component image A blended image generating unit (32) that generates a blended image by combining the enlarged and reduced special light image and a color superimposed image by synthesizing the blended image and another enlarged or reduced color component image And the blend image generation unit (32) so that the distribution of the pixels of the one color component image and the pixels of the special light image is substantially uniform over the entire blend image. In this case, some of the pixels of one color component image are replaced with corresponding pixels of the special light image.
