Method and apparatus for identifying images

Details Method and apparatus for identifying images Method and apparatus for identifying images

G - Physics

06

K

354/57

G06K 9/62 (2006.01) G06K 9/52 (2006.01) G07D 7/12 (2006.01) G07D 7/20 (2006.01)

Patent

CA 1120158

METHOD AND APPARATUS FOR IDENTIFYING IMAGES Abstract of the Disclosure A method and apparatus for identifying images having different spatial characteristics divides the image into a predetermined number of image elements, determines whether each of the image elements is relatively light or relatively dark and assigns a white designation or a black designation to each image element as a result of this deter- mination. The number of white designated and black desig- nated image elements are counted, as are the number of like designated image elements adjacent to each image element. The counts thus obtained are compared with corresponding counts resulting from known images, and the image is iden- tified when a match within a predetermined tolerance is found.

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