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authorleochanj <jbakita@cs.unc.edu>2020-10-21 01:52:54 -0400
committerleochanj <jbakita@cs.unc.edu>2020-10-21 01:52:54 -0400
commit25d94aa8aabb8ac3e8bbea0bc439ea6148444cc8 (patch)
treeba80e76d25d9ca9486092e2f6b6d76f0e3352bf7 /SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/ifftshift.m
parente2b50015cebdfba68699abd6e8575e38230f5a78 (diff)
debug libextra and remove matlab
Diffstat (limited to 'SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/ifftshift.m')
-rwxr-xr-xSD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/ifftshift.m15
1 files changed, 0 insertions, 15 deletions
diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/ifftshift.m b/SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/ifftshift.m
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--- a/SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/ifftshift.m
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@@ -1,15 +0,0 @@
1% [RES] = ifftshift (MTX)
2%
3% Inverse of MatLab's FFTSHIFT. That is,
4% ifftshift(fftshift(MTX)) = MTX
5% for any size MTX.
6
7% Eero Simoncelli, 2/97.
8
9function [res] = ifftshift(mtx)
10
11sz = size(mtx);
12DC = ceil((sz+1)./2); % location of DC term in a matlab fft.
13
14res = [mtx(DC(1):sz(1), DC(2):sz(2)) , mtx(DC(1):sz(1), 1:DC(2)-1); ...
15 mtx(1:DC(1)-1, DC(2):sz(2)) , mtx(1:DC(1)-1, 1:DC(2)-1)];