Intra codec method, encoder and decoder
An intra-frame coding and intra-frame prediction technology, which is applied in the field of video coding and decoding, and can solve the problems of low coding efficiency and inflexible coding methods.
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[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0056] It should be understood that the pixel value in the present invention can be the luminance component value of the pixel, or the chrominance component value (such as one of the Cb and Cr components) of the pixel, or one of the R, G, and B component values; When a pixel is represented by other color spaces such as Lab (color model), HSV (hue, saturation, and luminance), it can also be one of these color components. Correspondingly, the transform coeff...
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