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Apparatus for processing image signal and method thereof

  • US 7,224,402 B2
  • Filed: 09/06/2002
  • Issued: 05/29/2007
  • Est. Priority Date: 10/24/2001
  • Status: Expired due to Term
First Claim
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1. An apparatus for processing an image signal, comprising:

  • a detecting section for inputting an image signal through one of different input terminals according to a kind of an external device and detecting a kind of the input image signal by distinguishing the input terminal;

    a first storing section for storing a plurality of format converting coefficients;

    a format converting section for converting a format of the image signal by use of the format converting coefficient corresponding to the kind of the image signal;

    a control section for transmitting to the format converting section the format converting coefficient selected from the first storing section in accordance with the kind of the image signal, and controlling the format converting section to convert the format of the image signal by using the transmitted format converting coefficient;

    a second storing section for storing a plurality of image quality improving converting coefficients; and

    an image quality improving section for improving a quality of the image signal by the image quality improving converting coefficient corresponding to the kind of the image signal,the control section, being inputted with the image signal of converted format, for transmitting to the image quality improving section the image quality improving converting coefficient selected from the second storing section, and controlling the image quality improving section to improve the image quality of the image signal by using the transmitted image quality improving converting coefficient.

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