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complementary color wavelet transform
License: GNU General Public License v3.0
This project forked from colorwavelet/ccwt
complementary color wavelet transform
License: GNU General Public License v3.0
CCWT demo This folder contains the MATLAB code for demonstrating the complementary color wavelet transform (CCWT). The algorithm is described in the following paper: Yang Chen, Dan Li, and Jian Qiu Zhang, "Complementary Color Wavelet: A Novel Tool for Color Image/Video Analyses and Processing", 2017. For further information, please contact: [email protected] ========== v1.0 2017.10.15 * List of files all the files are tested on Matlab R2011b Examples example1, example2 - CCWT analysis/synthesis demonstration (more examples will be available soon) Images 1.bmp, 2.bmp - 512*512 color images for demostrating CCWT, these images are from the following paper J. Van de Weijer, T. Gevers, and A. D. Bagdanov, ¡°Boosting color saliency in image feature detection,¡± Pattern Analysis and Machine Intelligence, IEEE Transactions on, vol. 28, no. 1, pp. 150¨C156, 2006. Filterbanks of 2¦Ð/3 relative phases, length 22 with Thiran allpass filter L1=5, L2=5 and vanishing moment VM=1 CCWTFB0551 - CCWT filterbanks FsCCWTFB0551 - CCWT filterbanks for the First stage FsCCWTFB0551ud - CCWT filterbanks for the First stage, undecimated DWT related functions, these functions are mainly from or modified from Selesnick's work, http://taco.poly.edu/WaveletSoftware/ afb2D.m - 2D Analysis Filter Bank afb2D_A.m - 2D Analysis Filter Bank (along single dimension only) sfb2D.m - 2D Synthesis Filter Bank sfb2D_A.m - 2D Synthesis Filter Bank (along single dimension only) (The followings are the corresponding undecimated version) afbu2D.m afbu2D_A.m sfbu2D.m sfbu2D_A.m 2D single channel CCWT CCWT2Dband - Decompose 2D array into nine DWT subbands then do the separation transform iCCWT2Dband - Inverse transform of CCWT2Dband CCWT2Dudband - undecimated version of CCWT2Dband iCCWT2Dudband - undecimated version of CCWT2Dudband CCWT2Ddir - Extracting directional subbands from the decomposition results of CCWT2Dband or CCWT2Dudband iCCWT2Ddir - undecimated version of CCWT2Ddir 2D multi-channel CCWT CCWT2Dcolor - Extracting color information from the results of CCWT2Ddir iCCWT2Dcolor - Inverse transform of CCWT2Dcolor
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