Equal-interval vertical image conversion method and apparatus for converting CIF image into NTSC image
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United States of America Patent
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Issued Date -
Oct 20, 2005
app pub date -
Mar 4, 2005
filing date -
Apr 6, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed are an equal-interval vertical image conversion method and apparatus for converting a CIF (Common Intermediate Format) image into an NTSC (National Television Standards Committee) image. At least one input line (Y(n)) is stored in a line buffer. At least one output line (Y(b)) is read from the line buffer. Coefficients to be applied to the at least one input line (Y(n)) and the at least one output line (Y(b)) are extracted from a weight coefficient set. At least one filtered line (F(n)) is produced by a filtering operation for applying the extracted coefficients to the at least one input line (Y(n)) and the at least one output line (Y(b)). At least one new line (X(m)) is outputted by multiplexing the at least one input line (Y(n)) and the at least one filtered line (F(n)).
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