Image analysis – Image transformation or preprocessing – Selecting a portion of an image
Patent
1996-10-16
1999-03-02
Chang, Jon
Image analysis
Image transformation or preprocessing
Selecting a portion of an image
382300, 382303, 348714, G06T 120, G06T 160
Patent
active
058781730
ABSTRACT:
Method and device for enabling high-speed write/read operation of image information in units of blocks, so as to fully meet the demand on high-speed operation of MPEG, etc. Eight memory arrays MA1-MA8 are parallelly-connected in image memory unit 10; hence, in each memory array MAi, image can be written/read individually under control of write address generating circuit 12, memory array control logic 14, and read address generating circuit 16. The input/output terminals of memory arrays MA1-MA8 are connected to half-pel operation circuit 24 through eight data registers DREG1-DREG8 of input/output buffer 18, eight row selectors YSEL1-YSEL8 and column selector XSEL of selector circuit 20, and data bus 22.
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Hashimoto Masashi
Yamaguchi Hirohisa
Chang Jon
Donaldson Richard L.
Kempler William B.
Laws Gerald E.
Texas Instruments Incorporated
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