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Improved wiener filter super-resolution algorithm for passive millimeter wave imaging

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2 Author(s)
Kang Zhao ; Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China ; Jianguo Wang

The problem of poor resolution of acquired image in the passive millimeter wave imaging stems mainly from antenna size limitations??thus necessitating some efficient post-processing to achieve resolution improvements. In this paper, we propose an improved wiener filter super-resolution algorithm. The algorithm uses iterative process of incremental wiener filter in wavelet threshold shrinkage to remove noise and increase the restored image information. Experimental results demonstrate the algorithm enhances the resolution and reduces the ringing effects which are caused by regularizing the image restoration problem. Furthermore, the algorithm is easily implemented for passive millimeter wave imaging.

Published in:

Radar (Radar), 2011 IEEE CIE International Conference on  (Volume:2 )

Date of Conference:

24-27 Oct. 2011

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