Method and apparatus for determining weight factors, and method and apparatus for predicting intra-frame weighting
A technology of weight factor and weighted prediction, applied in the field of communication, can solve the problems of large hardware implementation cost, increase power consumption of codec devices, reduce codec processing speed, etc., to achieve the effect of improving processing speed and reducing processing power consumption
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[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0044] Such as figure 2 As shown, the embodiment of the present invention provides a method for determining two weighting factors used in pairs, including:
[0045] S101. Determine the second value according to the difference between the abscissa component and the ordinate component of the current pixel in the currently processed image block. As the coordinate origin, the abscissa direction is horizontal to the right, and the ordinate direction is vertically down...
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