Image analysis – Pattern recognition – Classification
Patent
1997-10-03
2000-10-17
Tran, Phuoc
Image analysis
Pattern recognition
Classification
382232, 382235, 382238, 382243, 382249, 348405, 348416, 358426, G06K 936, G06K 962, H04N 712, H04N 141
Patent
active
06134348&
ABSTRACT:
A block including a subject pixel is formed from an original image. A first class information generation circuit calculates similarity between a decimated block that is obtained by decimating pixels constituting the block and a reduced block obtained by reducing the block (self-similarity of an image). On the other hand, a second class information generation circuit detects a pattern of pixel values of pixels that are arranged in a direction with highest self-similarity in the reduced block (or the decimated block). A final class determination circuit determines a class of the block including the subject pixel based on outputs of both of the first class information generation circuit and the second class information generation circuit. A process corresponding to the thus-determined class is executed.
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Kondo Tetsujiro
Nakaya Hideo
Frommer William S.
Mariam Daniel G.
Sony Corporation
Tran Phuoc
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