Patent ID: 7565026

Claim:
Apparatus comprising: a macrouniformity compensation mechanism to modify data exchanges between the device-independent image data and a one-dimensional imaging device to compensate for a lack of macrouniformity caused by the one-dimensional imaging device, the one-dimensional imaging device converting from one to the other of (i) a physical image and (ii) the device-independent image data including pixel data representing the physical image; the macrouniformity compensation mechanism including an input-output value converter to convert an input intensity value for a given pixel to a corresponding output intensity value, the corresponding output intensity value being determined as a function of a position of the given pixel in the cross-process direction of the image and the level of the input intensity value; the input-output value converter including a number of stored conversion parameter sets corresponding to respective different positions in the cross-process direction of the pixel data, the number of stored conversion parameter sets being a fraction of a total number of pixel positions in the cross-process direction of the pixel data.