Bitmap graphics compression for image data

Details Bitmap graphics compression for image data Bitmap graphics compression for image data

2005-05-10

2005-05-10

Do, Anh Hong (Department: 2624)

Image analysis

Color image processing

Compression of color images

C382S232000

Reexamination Certificate

active

06891969

ABSTRACT:
The invention relates to the provision of a graphic compression method for pixel data for a display screen and particularly a display screen provided as part of a mobile device. The method includes the splitting of pixels data for the display into quadratic groups of pixels typically 2×2 pixels, and by encoding representing the same with respect to a number of color templates, with a reduced number of bits.

REFERENCES:
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patent: 5471248 (1995-11-01), Bhargava et al.
patent: 5625759 (1997-04-01), Freeman
patent: 5798753 (1998-08-01), Zhou et al.
patent: 5884014 (1999-03-01), Huttenlocher et al.
patent: 5973692 (1999-10-01), Knowlton et al.
patent: 6091850 (2000-07-01), Ostrovsky
Kobayashi et al., “Lossless Compression for RGB Color Still Images”, IEEE International Conference on Image Processing, Vo 4, Oct. 1999, pps. 73-77.

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