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Finger Extraction, Finger Image Automatic Registration, and Finger Identification by Image Phase Matching by Ching-Liang Su is a Mathematics article available to read on EtoBox.

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In this research, a new technique is used to extract the thumb, index, middle, ring, and small fingers and to perform a person's identification. To allow the finger geometry to be more salient when performing the finger image comparison, the fingers are scaled to various sizes. For reducing the number of finger-image-files in the system, a person's entire fingerimages are placed in one file. The hand is fixed each time when a picture is taken and one can assume that each time when the hand image is taken, the acquired finger images are the same as the previously acquired ones. Since the pictures are the same, after the fingers are extracted from the hand image, one can use the acquired fingers to identify different people. In this research, the developed algorithm of the auto-registration technique can find the precise location of the finger imageincluding the centroid of the finger image and the orientation of the finger image. The finding of the position and the orientation of the finger image are conducted automatically and without any further human effort. After finding the positions of the finger images, image rotating, image shifting, and image interpolating techniques are us

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Author

Ching-Liang Su

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0096-3003)

Published

2007

Language

EN

Field

Mathematics (Physical Sciences)