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Image Processing circuit and Image Processing Method

  • US 20100182449A1
  • Filed: 01/11/2010
  • Published: 07/22/2010
  • Est. Priority Date: 01/20/2009
  • Status: Active Grant
First Claim
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1. An image processing method, for processing an image based on a SECAM system, the image comprising successively arranged in a vertical line a first pixel, a second pixel and a third pixel respectively corresponding to a first image signal, a second image signal and a third image signal, the image processing method comprising:

  • calculating a first chroma signal via a vertical filtering process according to the first image signal, the second image signal and the third image signal;

    calculating a first chroma angular frequency via a frequency demodulation process according to the first chroma signal; and

    generating a first chromaticity according to the first chroma angular frequency.

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