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View Code? Open in Web Editor NEWwavelet frame for image inpainting based on ISD
wavelet frame for image inpainting based on ISD
****************************************************************************** ISD-SB: Iterative Support Detection based Split Bregman (version 1) ****************************************************************************** Copyright (C) 2014 Liangtian He, Yilun Wang 1). Get Started =================== Before running the code, users have to make sure that all folders are in the MATLAB working paths (add paths mannually). Then, Run the demo code: Demo_inpainting 2). Introduction ==================== ISDSB refers to Iterative Support Detection based Split Bregman and is a wavelet frame based image inpainting package. ISDSB aims at solving the ill-possed inverse problem: approximately recover image ubar from f = A*ubar + omega, (1) where ubar is an original image, A is a projection matrix, omega is addtive Gassian noise and f is the missed and noised observation of ubar. 3). Usage ==================== ISDSB is called in the following way: [rimg,Out] = ISDSBframe_Inpainting(img,cimg,P,opts) where img -- original clean image, cimg -- a missed and noised observation, P -- the projection matrix/mask, opts -- a structure with some fields, rimg -- recovered image, Out -- a structure containing some outputs of first stage % opts -- a structure containing algorithm parameters {default} * opst.frame: Piecewise Linear Framelet {1} * opst.Level: Framelet decomposition level {4} * opts.tol: Stoppoing tolerence {5e-4} * opts.maxIt: Maximum outer stage number {3} * opts.mait: Maximum inner iteration number {50} * opts.mu: a positive constant in range (0.005,0.1) {0.02} * opts.lambda: a positive constant in range (0.1,5.0) {1.0} We point out that the parameters in this code should be manually tuned to achieve the pleased performance; In addition, In the M-file ISDSBframe_Inpainting(img,cimg,P,opts),the usage of computeM(itr,m,n,rimg,img,W,opts) is the implementation of ISD-SB method in the paper, the usage of M-file: compute_jointlevel_M(itr,m,n,rimg,W) is the implementation of JLISD-SB method in the paper. 4). References ==================== [1], B. Dong and Y. Zhang, ¡°An efficient algorithm for L0 minimization in wavelet frame based image restoration,¡± J. Sci. Comput., vol. 54, nos. 2¨C3, pp. 350¨C368, 2013. [2], L. He, and Y. Wang.,"Iterative Support Detection-Based Split % Bregman Method for Wavelet Frame-Based Image Inpainting", IEEE Trans. on % Image Processing, vol. 23, no. 12, pp. 5470-5485, Dec. 2014. 5). Contact Information ======================= Please feel free to e-mail the following authors with any comments or suggestions: Liangtian He, Depart. Math., UESTC Univ., <[email protected]> Yilun.wang, Depart. Math., UESTC Univ., <[email protected]> 6). Copyright Notice ==================== ISDSB is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details at <http://www.gnu.org/licenses/>.
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