Image analysis – Image transformation or preprocessing – Image storage or retrieval
Reexamination Certificate
2008-05-20
2008-05-20
Kassa, Yosef (Department: 2624)
Image analysis
Image transformation or preprocessing
Image storage or retrieval
C382S282000, C382S289000, C382S296000, C358S409000, C358S426050, C358S453000
Reexamination Certificate
active
10898250
ABSTRACT:
Image data having a total number of pixels being H×V is written in SDRAM having an enough number of recording domains capable of storing all the pixel data of the image data and the number of Column addresses set therein at 2n(4≦n) in the order of lines after the implementation of a first image rotation processing at a rotation angle of 90°×m (0≦m≦3) to the image data and read from the SDRAM in the order of the lines after the implementation of a second image rotation processing at a rotation angle of 90°×p (0≦p≦3). In doing so, the recording domains of the SDRAM are divided into a plurality of recording blocks21-shaving the number of the Column addresses set therein at 2q(2≦q≦(n−2) and capable of storing groups of the pixels for one line in the image data after the implementation of the first image rotation processing. The groups of the pixels for one line in the image data in an image direction after the implementation of the first image rotation processing are written in the recording blocks21-s. The written image data is read from the SDRAM in an image direction after the implementation of the second image rotation processing.
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Nagata Taichi
Tsumura Keiichi
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