CPC H04N 19/14 (2014.11) [H04N 19/124 (2014.11); H04N 19/137 (2014.11); H04N 19/176 (2014.11); H04N 19/186 (2014.11); H04N 19/46 (2014.11); H04N 19/513 (2014.11); H04N 19/61 (2014.11); H04N 19/85 (2014.11)] | 20 Claims |
1. A method of encoding a video signal including a frame, the method comprising:
generating, by a pre-processor circuit, a Bayer histogram from the video signal;
deriving, by an encoder coupled to the pre-processor circuit, a chroma histogram from the Bayer histogram;
modifying, by the encoder, a chroma quantization step size for the frame based on the chroma histogram.
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