Finger shape estimating device, and finger shape estimating method and program

Finger shape estimating device, and finger shape estimating method and program

  • CN 102,113,012 A
  • Filed: 04/20/2009
  • Published: 06/29/2011
  • Est. Priority Date: 06/04/2008
  • Status: Active Application
First Claim
Patent Images

1. point the shape estimating device for one kind, possess:

  • The finger-image acquisition unit, it obtains the 1st finger-image;

    The shape data calculating part, it calculates vertical and horizontal the 1st relevant shape data of size with the 1st finger-image;

    The image feature amount extraction unit, it extracts the 1st image feature amount of the 1st finger-image;

    Comparing part, it reads the 2nd shape data in the described data set of regulation from the database with a plurality of following data sets, and the 2nd shape data and the 1st shape data contrasted, wherein, above-mentioned data set with the angle-data of finger, with the 2nd finger-image of described finger vertically reach the 2nd relevant shape data of horizontal size and the 2nd image feature amount of the 2nd finger-image is formed one group;

    AndInfer portion, it will be included in, and matched the 2nd shape data contrasts in the 2nd image feature amount and the 1st image feature amount of interior data set in the contrast of described comparing part, infers the finger shape of the 1st finger-image.

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