summaryrefslogtreecommitdiffstats
path: root/SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/ifftshift.m
diff options
context:
space:
mode:
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
deleted file mode 100755
index 2ade297..0000000
--- a/SD-VBS/benchmarks/texture_synthesis/src/matlabPyrTools/ifftshift.m
+++ /dev/null
@@ -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)];