Image analysis – Applications – Personnel identification
Reexamination Certificate
2011-03-22
2011-03-22
Seth, Manav (Department: 2624)
Image analysis
Applications
Personnel identification
C396S014000
Reexamination Certificate
active
07912250
ABSTRACT:
A device for acquiring images of a print of at least a portion of a user's hand, the device comprising a stand defining an acquisition zone extending substantially in a plane, an optical acquisition member that is fastened to the stand to have a field of view covering the acquisition zone, and a processor unit connected to the acquisition member to process an image signal coming therefrom, wherein:the stand is arranged to provide an empty space zone containing the acquisition zone and forming a passage for said portion of the hand while moving parallel to the plane;the device includes at least one projector member for projecting a light test pattern of at least two colors into the acquisition zone;the optical acquisition member has a depth of field extending on either side of the acquisition zone and it possesses a color sensor having an acquisition speed that is sufficient to capture at least one color image of said portion of the hand moving at a predetermined maximum speed of movement; andthe processor unit is arranged to extract from the color image signal a monochrome image in each of the projected colors, to reconstitute a texture of said portion of the hand from at least one of the monochrome images, and to reconstitute a shape from at least one of the monochromic images.
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Fondeur Jean-Christophe
Fourre Joël-Yann
Picard Sylvaine
Rieul François
Morpho
Muncy Geissler Olds & Lowe, PLLC
Seth Manav
LandOfFree
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