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Title: Extreme learning machines based human hand sign language recognition
Authors: Cai, Xiao
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Control and instrumentation::Control engineering
Issue Date: 2015
Abstract: In the field of Human Machine Interaction, with the development of 3D cameras and computer vision, recognition of human hand gestures and motions has become a real trending topic and is gaining greater significance in Natural User Interface (NUI). By detecting, tracking and recognizing hand gestures and motions, together with the development of graphical user interfaces, the use of traditional input devices such as key boards and mouse could be reduced. However, challenges have been faced as the accuracy and speed of real-time gesture recognition are seen as one of the bottlenecks with the current development. The final year project, Extreme Learning Machines based Human Hand Sign Language Recognition, is hence proposed with the aim of investigating real-time recognition of three broad classifications of gestures – static, dynamic, and motion detection with respective applications. Previous studies and available algorithms are examined to define the gap between the performance of Extreme Learning Machines proposed by Prof. Huang and other kernel methods. Suitable development platform, techniques for feature extraction and refinement, application of ELM methods are selected for the research. The desktop, game, and PowerPoint slides control application is developed based on 3Gear Nimble hand tracking library. Three applications for static gesture recognition, namely simultaneous detection of both hands, music player triggering application, and rock paper scissors game application, are presented. The dynamic gesture recognition is to combine both training and normal operation together for four main gestures. Windows default music player could also be triggered by making use of two of the dynamic gestures. The motion detection part of this project achieves recognition of writing number from 0 to 9 based on a countdown system, however, receiving not very nice performance. Performance of these three broad ranges of gesture recognition applications is evaluated compare with support vector machines. Recommendations for future work regarding the project is provided, in terms of achieving real-time recognition and performance improvement.
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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