Image connection method, and program and apparatus therefor
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United States of America Patent
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Oct 27, 2009
Grant Date -
Jun 28, 2007
app pub date -
Feb 22, 2007
filing date -
Feb 25, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Fingerprint section images of a finger are continuously input by relative movement with respect to a fingerprint sensor, and characteristic shapes such as ridge shapes, edge lines, and portions where changes of tangent directions are large are extracted from the fingerprint section images. Common areas in which character shapes match in two fingerprint section images which are chronologically continuous are searched by correlative calculation of characteristic shapes to detect an amount of movement of images at an overlapping position. Two living body section images which are chronologically continuous are connected to each other on the basis of the amount of movement to generate an entire living body image.
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