CPC H04N 19/61 (2014.11) [H04N 19/176 (2014.11)] | 20 Claims |
1. A method of performing a joint component secondary transform (JCST), the method comprising:
obtaining a plurality of transform coefficients of multiple color components and residual components among the plurality of transform coefficients;
performing a forward transformation on the residual components;
performing the JCST on the forward transformed residual components; and
quantizing and entropy coding the residual components to obtain a bitstream.
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