Patent ID: 6956586

Claim:
An image processing apparatus comprising: an image input unit configured to be input a first image; a color setting unit configured to set an adjustment value of a color attribute of a second image from a reference color attribute; a color adjustment excluded area setting unit configured to set an excluded area in which a color adjustment for the second image is excluded; a composite image producing unit configured to adjust the color attribute of the second image in accordance with the adjustment value except for the excluded area, and to produce a composite image by superposing the adjusted second image onto the first image; and an image output unit configured to selectively output the first image and the composite image, wherein the composite image producing unit adjusts brightness and transparency of the second image within a range between a predetermined range, and wherein the composite image producing unit adjusts, in a case where a difference in contrast between character included in the second image and an area of the first image where the character is to be superposed is less than a predetermined level, the color attribute of the character so that the contrast of the character reaches the predetermined level.