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24 December 2013 A Kinect based sign language recognition system using spatio-temporal features
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Proceedings Volume 9067, Sixth International Conference on Machine Vision (ICMV 2013); 90670X (2013) https://doi.org/10.1117/12.2051018
Event: Sixth International Conference on Machine Vision (ICMV 13), 2013, London, United Kingdom
Abstract
This paper presents a sign language recognition system that uses spatio-temporal features on RGB video images and depth maps for dynamic gestures of Turkish Sign Language. Proposed system uses motion differences and accumulation approach for temporal gesture analysis. Motion accumulation method, which is an effective method for temporal domain analysis of gestures, produces an accumulated motion image by combining differences of successive video frames. Then, 2D Discrete Cosine Transform (DCT) is applied to accumulated motion images and temporal domain features transformed into spatial domain. These processes are performed on both RGB images and depth maps separately. DCT coefficients that represent sign gestures are picked up via zigzag scanning and feature vectors are generated. In order to recognize sign gestures, K-Nearest Neighbor classifier with Manhattan distance is performed. Performance of the proposed sign language recognition system is evaluated on a sign database that contains 1002 isolated dynamic signs belongs to 111 words of Turkish Sign Language (TSL) in three different categories. Proposed sign language recognition system has promising success rates.
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Abbas Memiş and Songül Albayrak "A Kinect based sign language recognition system using spatio-temporal features", Proc. SPIE 9067, Sixth International Conference on Machine Vision (ICMV 2013), 90670X (24 December 2013); https://doi.org/10.1117/12.2051018
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