Image evaluation apparatus and method, image forming system, and program

摘要

An image evaluation apparatus (3) includes a reading unit (100) that includes a monochrome detection unit (113b) reading, in a focused state, an image formed on a recording material (P) by an image forming apparatus (2) that represents grayscale of the image by forming dots on the recording material (P), and a color detection unit (113c) reading the image in a defocused state; an image information obtaining unit (130) that obtains image information for the image forming apparatus (2) to form the image; a computing unit (141) that computes a luminance and a chroma of an image supposed to be formed on the recording material (P) by the image forming apparatus (2) from the obtained image information; a comparing unit (143) that compares a derived luminance with the computed luminance, and compares a derived chroma with the computed chroma; and an image evaluation unit (147) that evaluates the image formed by the image forming apparatus (2), on the basis of results of comparison. C)J U-U o 0 L u 0 ZUJ -< 0 LUO z JJ 2:0Ma- Oco :z < DJ~