Image processing system

Details Image processing system Image processing system

G - Physics

06

T

354/57

G06T 5/20 (2006.01)

Patent

CA 1233566

IMAGE PROCESSING SYSTEM ABSTRACT OF THE DISCLOSURE An image processing system mainly used in an image verification system for detecting and correcting distor- tion or an input image includes the following devices; an image memory for storing a digitized image before, during, and after correction, a working memory for temporarily storing intermediate data of the image on correction, density level extension devices for extending the density level or gradation of the image by repeatedly reading out the contents of the image memory and the working memory by using a matrix window containing picture elements of the image, a density slope detection device for detecting the extended density level and calculating a density slope or gradient by using the matrix window, and a correction device for correcting density distribution and line width or the image based on the extended density level and the calculated density slope.

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