Patent ID: 8553299

Claim:
An image processing apparatus connected to an image display device capable of displaying an image so as to perform data communication with each other, the image processing apparatus comprising: a two color process section that generates, based on input image data of RGB inputted by reading an original document, image data of CMY for outputting a two-color image formed of two colors of a chromatic color and an achromatic color; a color material usage estimation and calculation section that calculates, based on the image data of CMY generated by the two color process section, a usage of color materials used in outputting the two-color image and generates information concerning the usage of color materials from a result of the calculation; and a color correction section that generates, based on the input image data of RGB, image data of CMY for outputting a full-color image, the color material usage estimation and calculation section outputting the generated information concerning the usage of color materials to the image display device, and the color material usage estimation and calculation section calculating, based on the image data of CMY generated by the color correction section, a first usage that is a usage of color materials used in outputting the full-color image, calculating, based on the image data of CMY generated by the two color process section, a second usage that is a usage of color materials used in outputting the two-color image, and generating, from results of the calculations, as information concerning a usage of color materials, information representing a comparison of the first usage and the second usage.