Patent ID: 6778297
Filing Date: 2004-08-17
Classification: G06K,G06T,H04N

Abstract:
An image processing apparatus for processing image data having a plurality of color components expressing an image, the apparatus comprising:a minimum selector for selecting a first set of image data for a minimum value color component from the image data having the plurality of color components; a maximum selector for selecting a second set of image data for a maximum value color component from the image data having the plurality of color components; and a detector for detecting an edge existing in the image based on the first and second sets of image data selected by said minimum selector and said maximum selector, respectively, wherein the detector comprises: a first edge detecting means for detecting the edge based at least in part on the first set of image data, a second edge detecting means for detecting the edge based at least in part on the second set of image data, and an OR circuit for issuing a certain output based on the edge being detected by at least one of said first edge detecting means and said second edge detecting means.