Browse Prior Art Database

Handprint Verification

IP.com Disclosure Number: IPCOM000083963D
Original Publication Date: 1975-Aug-01
Included in the Prior Art Database: 2005-Mar-01
Document File: 2 page(s) / 47K

Publishing Venue

IBM

Related People

Deerhake, WJ: AUTHOR [+3]

Abstract

Described is the use of information taken from the observed creases in a person's palm to verify that person's identity pattern.

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Handprint Verification

Described is the use of information taken from the observed creases in a person's palm to verify that person's identity pattern.

The requirement for a fixed reference point is removed by use of a shift register comparison technique. After suitable processing, the bits corresponding to the presence of palm creases are loaded into the input (data) registers, as shown in the figure.

The data in the input registers are shifted past the data in the reference or store registers, maintaining the same relationship that they had relative to each other in the actual handprint pattern from which they were obtained. Whenever there is a certain number of agreements in all three, or say in two out of three (or some other combination) of the scanned data sequences, the two patterns are declared to be equal, with a certain probability of error, of course.

Depending upon the nature of the scanner used, the shifting process could be accomplished simultaneously with that of comparison. The chief point to be recognized is that the information about the creases, is found in the relative separations along the 1 bits representative of the creases crossed in the scanning process.

An alternative method of comparing a scanned palm with a stored data set for verification purposes, would make use of more than just the relative positions of the creases. If the scanning capability is increased from a limited number of scan lines to an area coverage that would permit som...