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Optical MEMS image enhancement with sparse signal representation

Zhang, G. C. and Li, L. and Stankovic, V. and Stankovic, L. and Uttamchandani, D. (2011) Optical MEMS image enhancement with sparse signal representation. In: 2011 IEEE International conference on acoustics, speech and signal processing. IEEE, New York, pp. 1109-1112. ISBN 9781457705397

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This paper describes a complete low-complexity imaging system based on a single MEMS scanning mirror and a single photodetector, together with customized image enhancement algorithms based on sparse signal representation. Due to very low complexity of our developped optical set-up for image acquisition, resulting images suffer visible artifacts. We propose an iterative denoising-deblurring algorithm for image enhancement, which offers significant improvement over wavelet denoising with soft-thresholding. Several image enhancement algorithms are compared using the blind image quality indices (BIQI) as well as visual experience.

Item type: Book Section
ID code: 41659
Keywords: sparse representation, image enhancement, optical, mems image enhancement, sparse signal representation , Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Pure Administrator
Date Deposited: 23 Oct 2012 14:59
Last modified: 01 Oct 2015 11:37

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