Method and apparatus for dithering antialiased vectors

Details Method and apparatus for dithering antialiased vectors Method and apparatus for dithering antialiased vectors

H - Electricity

04

N

354/8

H04N 1/405 (2006.01) G06T 11/20 (2006.01) G09G 5/02 (2006.01) G09G 5/393 (2006.01)

Patent

CA 2024762

In the method and apparatus of the present invention, dithered images are composited with separately rendered undithered images. The dithered image is first transformed back to its unquantized state to include the full range of intensity values by performing a back-transformation process which translates the quantized or dithered value back to its original intensity value. The back transformed dithered image is then combined with the separately rendered, but undithered image using the technique of compositing. The composited image is then dithered to a quantized representation and stored in the frame buffer for subsequent display.

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