Low bit rate compression format conversion for improved resolution
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United States of America Patent
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Jun 3, 2003
Grant Date -
N/A
app pub date -
Apr 22, 2002
filing date -
Apr 22, 2002
priority date (Note) -
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Abstract
A method for format conversion includes providing a first interlaced video signal including non-progressive video of a first resolution, downconverting fields of the first resolution to fields of a second resolution, and combining and interlacing the fields at a third resolution. The video signal is transmitted at the third resolution. The video signal of the third resolution is deinterlaced to form a progressive format video. The progressive format video is converted to the first non-progressive resolution by alternately adjusting position of the progressive format of the third resolution up and down to make upper and lower fields, respectively, of the first resolution for display.
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