Application of Kinect Technology in Blind Aerobics Learning

Abstract

Abstract-In order for blind people to learn aerobics more conveniently, we combined Kinect skeletal tracking technology with aerobics-assisted training to design a Kinect-based aerobics-assisted training system. Through the Kinect somatosensory camera, the feature extraction method and recognition algorithm of sign language are improved, and the sign language recognition system is realized. Sign language is translated through the sign language recognition system and expressed in understandable terms, providing a sound way of learning. The experimental results show that the system can automatically collect and recognize the aerobics movements. By comparing with the standard movements in the database, the system evaluates the posture of trainers from the perspectives of joint coordinates and joint angles, followed by the provision of movements contrast graphics and corresponding advice. Therefore, the system can effectively help the blind to learn aerobics. Keywords IntroductionIn the current process of aerobics training, learners reach the goal of exercise usually by repeatedly watching the video or by consulting coaches [1]. This is not only time-and effort-consuming, but brings great challenges to the blind. The meaning of our research is to combine aerobics training with Kinect skeletal tracking technology, such that the postures and movements can be captured and matched up with standard movements. Subsequently, the differences in the skeletal direction are analyzed and showed to blind people in a straightforward way, enabling them to find the gaps [2]. This method allows blind aerobics coaches and learners with high demand for teaching/self-teaching to make accurate adjustments of movements and postures that used to be below standard, so as to meet the standard of correctness. Moreover, the training process can begin at any time and in any place, which broadens teaching means. Trainers can foster their rhythms through the interaction with the computer. With our approaches, the digitalization and informatization of basic aerobics training and other training levels can be further developed [3][4][5].

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Implementation of Cooperative Learning Model on E-Assignment Responsiveness at Higher Education

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