Methods and apparatus for access control using biometric verification

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United States of America Patent

PATENT NO 11594072
SERIAL NO

16813422

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Abstract

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Aspects of the present disclosure include methods for generating a heatmap including a plurality of sampling points having a plurality of characteristic values associated with the detected non-visible light, identifying one or more macroblocks each includes a subset of the plurality of sampling points, calculating a number of occurrences of the local pattern value within each subset of the plurality of the sampling points for each of the one or more macroblocks, generating a first array including a plurality of weighted values by calculating the plurality of weighted values based on the numbers of occurrences of the local pattern value and corresponding sizes of the one or more macroblocks, assigning a unique index to each of the plurality of weighted values, generating a second array of the unique index by ranking the plurality of weighted values, and generating a third array including a plurality of ranking distances.

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Patent Owner(s)

  • STONE LOCK GLOBAL, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dunlap, David Douglas Leawood, US 13 29
Trani, James Albuquerque, US 37 445

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