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• W3204389475 startingPage "6525" @default.
• W3204389475 abstract "Gesture recognition has been studied for decades and still remains an open problem. One important reason is that the features representing those gestures are not sufficient, which may lead to poor performance and weak robustness. Therefore, this work aims at a comprehensive and discriminative feature for hand gesture recognition. Here, a distinctive Fingertip Gradient orientation with Finger Fourier (FGFF) descriptor and modified Hu moments are suggested on the platform of a Kinect sensor. Firstly, two algorithms are designed to extract the fingertip-emphasized features, including palm center, fingertips, and their gradient orientations, followed by the finger-emphasized Fourier descriptor to construct the FGFF descriptors. Then, the modified Hu moment invariants with much lower exponents are discussed to encode contour-emphasized structure in the hand region. Finally, a weighted AdaBoost classifier is built based on finger-earth mover's distance and SVM models to realize the hand gesture recognition. Extensive experiments on a ten-gesture dataset were carried out and compared the proposed algorithm with three benchmark methods to validate its performance. Encouraging results were obtained considering recognition accuracy and efficiency." @default.
• W3204389475 created "2021-10-11" @default.
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• W3204389475 date "2021-09-29" @default.
• W3204389475 modified "2023-10-13" @default.
• W3204389475 title "FGFF Descriptor and Modified Hu Moment-Based Hand Gesture Recognition" @default.
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• W3204389475 doi "https://doi.org/10.3390/s21196525" @default.
• W3204389475 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8512249" @default.
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