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Method and apparatus for locating a caption-added frame in a moving picture signal

  • US 6,219,382 B1
  • Filed: 11/21/1997
  • Issued: 04/17/2001
  • Est. Priority Date: 11/25/1996
  • Status: Expired due to Term
First Claim
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1. A moving picture search apparatus comprising:

  • first means for dividing every frame represented by a moving picture signal into blocks;

    second means for calculating a number of pixels forming portions of a caption in each of the blocks;

    third means for comparing the number of pixels which is calculated by the second means with a threshold value;

    fourth means for, when the calculated number of pixels is equal to or greater than the threshold value, deciding that the related block is a caption-containing block;

    fifth means for detecting a time interval related to the moving picture signal during which every frame represented by the moving picture signal has a caption-containing block decided by the fourth means; and

    sixth means for selecting a 1-frame-corresponding segment of the moving picture signal which represents a caption-added frame present in the time interval detected by the fifth means.

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