Apparatus and method for detecting key caption from moving picture to provide customized broadcast service
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United States of America Patent
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Issued Date -
Aug 30, 2007
app pub date -
Jul 19, 2006
filing date -
Feb 27, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus for detecting a caption from a moving picture, including: a caption domain detector selecting a candidate frame based on input genre information from an input moving picture and determining expectation caption domains from the selected candidate frame set; a target caption detector selecting target caption candidate domains based on repetition of a position or color pattern of the expectation caption domains and determining target caption domains based on a rate of change in a character or number domain from the selected target caption candidate domains; and a key caption detector detecting a key character or number information domain by analyzing the target caption domains.
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