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Biorthogonal wavelet system for high-resolution image reconstruction

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2 Author(s)
Lixin Shen ; Dept. of Math., West Virginia Univ., Morgantown, WV, USA ; Qiyu Sun

High-resolution images are often desired but made impossible because of hardware limitations. For the high-resolution model proposed by Bose and Boo (see Int. J. Imaging Syst. Technol., vol.9, p.294-304, 1998), the iterative wavelet-based algorithm has been shown to perform better than the traditional least square method when the resolution ratio M is two and four. In this paper, we discuss the minimally supported biorthogonal wavelet system that comes from the mathematical model by Bose and Boo and propose a wavelet-based algorithm for arbitrary resolution ratio M≥2. The numerical results indicate that the algorithm based on our biorthogonal wavelet system performs better in high-resolution image reconstruction than the wavelet-based algorithm in the literature, as well as the common-used least square method.

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Signal Processing, IEEE Transactions on  (Volume:52 ,  Issue: 7 )