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Face-image processing apparatus

  • US 6,549,644 B1
  • Filed: 11/17/1999
  • Issued: 04/15/2003
  • Est. Priority Date: 05/18/1999
  • Status: Expired due to Term
First Claim
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1. A face-image processing apparatus comprising:

  • image input means for inputting an image of a face;

    multi-value image storing means for storing multi-value image obtained by said image input means;

    nostril-region extracting means for extracting a nostril multi-valued region from the multi-value image outputted by said multi-value image storing means;

    eye-region extracting means for extracting a multi-valued eye region extracted from a multi-value image outputted by said multi-value image storing means with using a nostril region extracted by said nostril-region extracting means as a reference point;

    binarized image storing means for storing a result outputted from said nostril-region extracting means and said eye-region extracting means as a binarized region; and

    opening/closing determining means for determining opening/closing of the eyes in accordance with a feature of a shape of the binarized eye-region outputted by said binarized image storing means, wherein said nostril-region extracting means extracts a nostril region at which a retrieval is started from a position of a center of gravity of a previous nostril by spirally retrieving a portion surrounding the retrieval start point.

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