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Face detection device, face detection system, and face detection method

  • US 10,441,198 B2
  • Filed: 05/10/2016
  • Issued: 10/15/2019
  • Est. Priority Date: 06/19/2015
  • Status: Active Grant
First Claim
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1. A face detection device that detects a face from an image including a person, the device comprising:

  • a processor; and

    a memory including instructions that, when executed by the processor, cause the processor to perform operations including;

    receiving captured images by a camera;

    detecting at least one face region in the captured images;

    collating a feature quantity of a face in a face region with information of a face which is previously registered;

    determining whether a vitality detection mode has been selected, the vitality detection mode configured to recognize a face of a person in a living state but not a face of an object in a non-living state;

    when the vitality detection mode is determined to have been selected;

    extracting vital information which includes an index indicating the living state of a face imaged in the at least one face region, based on image data regarding the detected at least one face region;

    determining whether or not the face in the at least one face region is in the living state, based on the vital information; and

    when the face in the at least one face region is determined to be in the living state, recognizing a face region corresponding to the face which is determined to be in the living state among the at least one face region, as a face region of a living body, and the collating being performed by using of a feature quantity of the face in the face region corresponding to the face which is determined to be in the living state.

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