Video data encoding apparatus and method for removing a continuous repeat field from the video data
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United States of America Patent
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May 29, 2007
Grant Date -
Oct 30, 2003
app pub date -
Apr 25, 2003
filing date -
Aug 26, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A pattern analyzing portion analyzes a pattern of a detected repeat field and determines whether or not the pattern of the repeat field is continuous. An inverse pull-down controlling portion controls a memory to read video data in such a manner that the repeat field detected by a comparator is removed from input video data in a period that the pattern of the repeat field is continuous. The inverse pull-down controlling portion controls the memory to read video data in such a manner that a repeat field detected by the comparator is not removed from the input video data in a period that the pattern of the repeat field is discontinuous. In other words, an inverse 2:3 pull-down process is controlled corresponding to the continuity of a pattern of a repeat field. In addition, it is determined whether an input original material is a progressive-scanned video material or an interlace-scanned video material corresponding to the continuity of the pattern of the repetitive material.
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