Author: Su, Ching-Liang

Source: Sensor Letters, Volume 6, Number 1, February 2008 , pp. 184-196(13)

Publisher: American Scientific Publishers

Abstract:

In this study, a new technique is used to extract the index, middle and ring finger outlines. The orientations and geometrical features of these outlines are calculated and compared to identify different individuals. The techniques of database SQL searching and manipulation, image dilation, object position locating, image shifting, rotation, and interpolation are used to recognize different individuals. The hand was fixed each time when a photograph was taken, and one can assume that each time when a hand was acquired, the image was the same as the previous one. Since the photographs are the same, after the index, middle or ring fingers have been extracted from the hand image, the acquired images can be used to identify different persons.

Keywords: FINGER SHAPE IDENTIFICATION; FINGER SHAPE EXTRACTION; LOCATING FINGERTIP AND FINGER-TO-FINGER-VALLEY; GEOMETRY MATCHING

Document Type: Research article

DOI: http://dx.doi.org/10.1166/sl.2008.029

Publication date: 2008-02-01

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• The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.
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