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Finger spelling recognition using depth information and support vector machine.

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Title: Finger spelling recognition using depth information and support vector machine.
Authors: Hu, Yong1
Source: Multimedia Tools & Applications. Nov2018, Vol. 77 Issue 21, p29043-29057. 15p.
Subjects: Spell checkers (Computer programs), Support vector machines, Histograms, Zernike polynomials, K-means clustering
Abstract: In Sign Language fingerspelling systems, letters of the alphabet are presented by a diverse form or/and movement of the fingers. In this study, the presented work focus on developing a real-time translation framework of static fingerspelling alphabets. At first an adaptive k-means based cluster method for depth segmentation is proposed, where a flexible cluster number n is used instead of the pre-defined definitive one. Based on the segmentation step, a recognition framework using intensity and depth information is proposed and compared with some distinctive works. Discriminative features extracted from Histogram of Oriented Gradients (HOG), Local Binary Patterns (LBP), and Zernike moments are used due to their simplicity and good performance. The experiments are executed on a public fingerspelling dataset, which consisted of 120,000 images representing 24 alphabet letters over five different users. The results show that the presented framework is efficient, easy implementation, and performs better than the compared approaches. [ABSTRACT FROM AUTHOR]
Copyright of Multimedia Tools & Applications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: In Sign Language fingerspelling systems, letters of the alphabet are presented by a diverse form or/and movement of the fingers. In this study, the presented work focus on developing a real-time translation framework of static fingerspelling alphabets. At first an adaptive k-means based cluster method for depth segmentation is proposed, where a flexible cluster number n is used instead of the pre-defined definitive one. Based on the segmentation step, a recognition framework using intensity and depth information is proposed and compared with some distinctive works. Discriminative features extracted from Histogram of Oriented Gradients (HOG), Local Binary Patterns (LBP), and Zernike moments are used due to their simplicity and good performance. The experiments are executed on a public fingerspelling dataset, which consisted of 120,000 images representing 24 alphabet letters over five different users. The results show that the presented framework is efficient, easy implementation, and performs better than the compared approaches. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Multimedia Tools & Applications is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11042-018-6102-6
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      – SubjectFull: Support vector machines
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      – SubjectFull: Histograms
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      – SubjectFull: Zernike polynomials
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      – SubjectFull: K-means clustering
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      – TitleFull: Finger spelling recognition using depth information and support vector machine.
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              Text: Nov2018
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