H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 9/68 (2006.01) H04N 9/64 (2006.01) H04N 9/87 (2006.01)
Patent
CA 2355553
A video signal processing apparatus for processing a video signal containing first and second color difference signals so as to adjust colors of an image represented by the video signal is provided. The video signal processing apparatus comprises a first gain setting section for setting a first gain conversion characteristic relevant to a first saturation indicated by the first color difference signal, a second gain setting section for setting a second gain conversion characteristic relevant to a second saturation indicated by the second color difference signal, a third gain setting section for setting a third gain conversion characteristic relevant to a third saturation indicated by the first and second color difference signals, a first conversion section for converting a gain of the first color difference signal based on a first input value of the first color difference signal, the first gain conversion characteristic, and the third gain conversion characteristic, and a second conversion section for converting a gain of the second color difference signal based on a second input value of the second color difference signal, the second gain conversion characteristic, and the third gain conversion characteristic.
Itani Tetsuya
Kuroda Keiichi
Matsushita Electric Industrial Co. Ltd.
Osler Hoskin & Harcourt Llp
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