Prediction-based image processing
A technology for predicting direction and prediction error, applied in the field of image processing
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[0042] Throughout the drawings, the same reference numerals will be used for corresponding or similar elements.
[0043] The present invention relates generally to compression and decompression of pixel attribute values, and in particular such compression and decompression is applicable to buffer compression and decompression.
[0044] Buffer compression / decompression can be used in three-dimensional (3D) graphics such as games, 3D maps and scenes, 3D messages (such as animated messages, screen savers, man-machine interface (MMI), etc. ), but the three-dimensional (3D) graphics are not limited thereto. Thus, the invention can also be used to encode other types of images or graphics, such as one-dimensional (1D), two-dimensional (2D) or 3D images.
[0045] Compression and decompression jointly process multiple pixels, usually in the form of blocks or tiles. In an embodiment, the size of the pixel block is M×N pixels, where M and N are integers, and the restriction is that bot...
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