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大小: 78KB文件类型: .zip金币: 1下载: 0 次发布日期: 2021-05-04
- 语言: Matlab
- 标签:
资源简介
程序包含基于WAVELET域、基于CONTOURLET域、基于WAVELET-CONTOURLET域及PCA的SAR图像去噪
代码片段和文件信息
function y = backsamp(y)
% BACKSAMP Backsampling the subband images of the directional filter bank
%
% y = backsamp(y)
%
% Input and output are cell vector of dyadic length
%
% This function is called at the end of the DFBDEC to obtain subband images
% with overall sampling as diagonal matrices
%
% See also: DFBDEC
% Number of decomposition tree levels
n = log2(length(y));
if (n ~= round(n)) | (n < 1)
error(‘Input must be a cell vector of dyadic length‘);
end
if n == 1
% One level the decomposition filterbank shoud be Q1r
% Undo the last resampling (Q1r = R2 * D1 * R3)
for k = 1:2
y{k} = resamp(y{k} 4);
y{k}(: 1:2:end) = resamp(y{k}(: 1:2:end) 1);
y{k}(: 2:2:end) = resamp(y{k}(: 2:2:end) 1);
end
elseif n > 2
N = 2^(n-1);
for k = 1:2^(n-2)
shift = 2*k - (2^(n-2) + 1);
% The first half channels
y{2*k-1} = resamp(y{2*k-1} 3 shift);
y{2*k} = resamp(y{2*k} 3 shift);
% The second half channels
y{2*k-1+N} = resamp(y{2*k-1+N} 1 shift);
y{2*k+N} = resamp(y{2*k+N} 1 shift);
end
end
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2016-12-19 14:37 SAR-denosing-sj\
文件 1119 2016-12-17 15:14 SAR-denosing-sj\backsamp.m
文件 66616 2012-05-04 10:05 SAR-denosing-sj\BJ256_N_5.bmp
文件 487 2016-12-18 21:17 SAR-denosing-sj\covriance.m
文件 5884 2016-12-19 14:37 SAR-denosing-sj\denoising.m
文件 1768 2016-12-16 23:39 SAR-denosing-sj\dfbdec_l.m
文件 2012 2016-12-17 15:31 SAR-denosing-sj\dfbrec.m
文件 1736 2016-12-17 15:32 SAR-denosing-sj\dfbrec_l.m
文件 755 2016-12-17 15:37 SAR-denosing-sj\dup.m
文件 1861 2016-12-17 15:08 SAR-denosing-sj\extend2.m
文件 1507 2016-12-17 15:08 SAR-denosing-sj\fbdec_l.m
文件 1426 2016-12-17 15:34 SAR-denosing-sj\fbrec_l.m
文件 662 2016-12-16 23:09 SAR-denosing-sj\ldfilter.m
文件 722 2016-12-17 15:06 SAR-denosing-sj\lpdec.m
文件 935 2016-12-17 15:36 SAR-denosing-sj\lprec.m
文件 1254 2016-12-16 23:15 SAR-denosing-sj\pdfb2vec.m
文件 2671 2016-12-16 23:04 SAR-denosing-sj\pdfbdec.m
文件 1486 2016-12-16 23:20 SAR-denosing-sj\pdfbrec.m
文件 931 2016-12-17 15:17 SAR-denosing-sj\pdfb_nest.m
文件 2230 2016-12-18 00:24 SAR-denosing-sj\pdfb_nest1.m
文件 1667 2016-12-16 23:08 SAR-denosing-sj\pfilters.m
文件 1374 2016-12-17 15:13 SAR-denosing-sj\ppdec.m
文件 1497 2016-12-17 15:35 SAR-denosing-sj\pprec.m
文件 459 2016-12-11 22:50 SAR-denosing-sj\PSNR.m
文件 1490 2016-12-17 15:09 SAR-denosing-sj\qpdec.m
文件 1656 2016-12-17 15:36 SAR-denosing-sj\qprec.m
文件 1172 2016-12-17 15:32 SAR-denosing-sj\rebacksamp.m
文件 1268 2016-12-17 15:09 SAR-denosing-sj\resamp.m
文件 2255 2016-12-17 15:10 SAR-denosing-sj\resampc.c
文件 7168 2016-12-17 15:10 SAR-denosing-sj\resampc.dll
文件 9216 2016-12-17 15:13 SAR-denosing-sj\resampc.mexw64
............此处省略4个文件信息
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