Horizontal strip column-first two-dimensional scaling

Details Horizontal strip column-first two-dimensional scaling Horizontal strip column-first two-dimensional scaling

2007-07-13

2010-11-23

Harrison, Chante (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S698000, C345S571000

Reexamination Certificate

active

07839424

ABSTRACT:
A system is provided for scaling image data comprising a Direct Memory Access (DMA) engine adapted to read the image data from a horizontal pixel strip in a column-by-column format, a scaling block adapted to scale the image data read by the read DMA engine into scaled column output data, and a buffer memory for storing the scaled column output data for the horizontal pixel strip. A method is also provided for scaling an image comprising reading pixel values from a pixel strip in a column-by-column manner across the pixel strip and scaling the pixel values for each column to produce scaled column output data. The scaled column output data for a plurality of columns is then read and the scaled column output data is scaled from the plurality of columns to produce scaled row output data for a row of pixels.

REFERENCES:
patent: 7536062 (2009-05-01), Lippincott
patent: 2002/0196260 (2002-12-01), Candler et al.
patent: 2004/0046773 (2004-03-01), Inoue et al.

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