2003
DOI: 10.20965/jrm.2003.p0286
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Hand Shape Recognition using Higher Order Local Autocorrelation Features in Log Polar Coordinate Space

Abstract: The friendly communication can be more promoted between the human and computer if the function of gesture recognition is implemented to the computer system as the input interface along with the keyboards and mice. We propose a mouse-like function for estimating hand shape from input images with a monocular camera, with which a computer user feels no restraint or awkwardness. Our system involves conversion of sequential images from Cartesian coordinates to log-polar coordinates. Temporal and spatial subtraction… Show more

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Cited by 6 publications
(2 citation statements)
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“…Except for equivalent pattems due to parallel shifting, the high-order local autocorrelational patterns can be expressed in 25 different kinds [4]. However, since the pattems M1 to M5 become smaller in value compared with other patterns, we squared the number of pixels at the reference point for M1, and further multiplied it with the number of pixels at the reference point for M2 to M25.…”
Section: Key Angle Informationmentioning
confidence: 99%
“…Except for equivalent pattems due to parallel shifting, the high-order local autocorrelational patterns can be expressed in 25 different kinds [4]. However, since the pattems M1 to M5 become smaller in value compared with other patterns, we squared the number of pixels at the reference point for M1, and further multiplied it with the number of pixels at the reference point for M2 to M25.…”
Section: Key Angle Informationmentioning
confidence: 99%
“…Except for equivalent patterns due to parallel shifting, the highorder local autocorrelational patterns can be expressed in twenty five different kinds [4]. However, since the patterns MI to M5 become smaller in value compared with other patterns, we squared the number of pixels at the reference point for MI, and further multiplied it with the number of pixels at the reference point for M2 to M25.…”
Section: Introductionmentioning
confidence: 99%