Apparatus for processing image signal and method thereof
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United States of America Patent
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May 29, 2007
Grant Date -
Apr 24, 2003
app pub date -
Sep 6, 2002
filing date -
Oct 24, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
An image signal processing apparatus and method is capable of variably performing format conversion and image quality improvement according to a kind of an inputted image signal. A detecting section detects a kind of image signal inputted from an external device. A control section controls the format of the image signal to be converted by selecting the format converting coefficient from the first storing section in accordance with the kind of the image signal. A format converting section converts a format of the inputted video signal by the selected format converting coefficient. The control section selects an image quality improving converting coefficient corresponding to the video signal from the second storing section. The image quality improving section improves a quality of the video signal converted by the selected image quality improving converting coefficient. By varying the format converting coefficient and image quality improving converting coefficient according to the kind of the image signal, it is possible to perform the format conversion and image quality improvement suitable for the kind of the inputted image signal.
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