Reconstitution of images

Details Reconstitution of images Reconstitution of images

B - Operations, Transporting

41

M

178/3.3

B41M 5/00 (2006.01) G06T 1/20 (2006.01)

Patent

CA 1217147

ABSTRACT Improvements in a full resolution image A are effected with an economical use of computer processing equipment and time by determining a field of improvement functions derived from processing a coarse representation of the original full resolution image. The coarse representation B is subjected to lightness field analysis to obtain an improved coarse image C, from which a coarse improvement field D is extracted by subtracting the original coarse representation. To obtain a full resolution improvement field E, the coarse improvement function is smoothly expanded by interpolation to the dimensions of the full resolution image. By modifying the original full resolution image field A with the values of the full resolution improvement field E, an improved full resolution image is obtained.

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