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Image deblurring using weighted total variation regularisation for half-quadratic model

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2 Author(s)
Yang, S.X. ; Inst. of Intell. Inf. Process., Guizhou Univ., Guiyang, China ; Liu, B.Y.

It is observed that, in the total variation model for image deblurring, if the regularisation term simply involves the first-order difference, details cannot be satisfactorily restored in a deblurred image. A weighted difference as the total variation regularisation term is considered, and the related half-quadratic model is solved to obtain a deblurring algorithm for saving more details and highlighting the edges of an image. The effectiveness of the proposed algorithm is tested by deblurring experiments.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 22 )