Image data enlarging/reducing apparatus enlarging/reducing...

Details Image data enlarging/reducing apparatus enlarging/reducing... Image data enlarging/reducing apparatus enlarging/reducing...

2007-11-20

2007-11-20

Couso, Yon J. (Department: 2624)

Image analysis

Image transformation or preprocessing

Changing the image coordinates

C348S581000

Reexamination Certificate

active

10667354

ABSTRACT:
When a line number counted by a line number counting unit corresponds to a prescribed line number, a transfer source address generating unit adds an offset address set in an offset address setting unit to respective transfer source addresses to output as addresses to a memory. A DMA control unit controls DMA transfer in accordance with a transfer source address generated by the transfer source address generating unit and a transfer destination address generated by a transfer destination address generating unit. Thus, rapid enlargement/reduction of image data becomes possible.

REFERENCES:
patent: 5754304 (1998-05-01), Endo et al.
patent: 6141061 (2000-10-01), Takeuchi
patent: 6914606 (2005-07-01), Amemiya et al.
patent: 6-215123 (1994-08-01), None

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