diff options
Diffstat (limited to 'SD-VBS/benchmarks/texture_synthesis/src/matlab/mkZonePlate.m')
-rwxr-xr-x | SD-VBS/benchmarks/texture_synthesis/src/matlab/mkZonePlate.m | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlab/mkZonePlate.m b/SD-VBS/benchmarks/texture_synthesis/src/matlab/mkZonePlate.m deleted file mode 100755 index 2b6a4a5..0000000 --- a/SD-VBS/benchmarks/texture_synthesis/src/matlab/mkZonePlate.m +++ /dev/null | |||
@@ -1,33 +0,0 @@ | |||
1 | % IM = mkZonePlate(SIZE, AMPL, PHASE) | ||
2 | % | ||
3 | % Make a "zone plate" image: | ||
4 | % AMPL * cos( r^2 + PHASE) | ||
5 | % SIZE specifies the matrix size, as for zeros(). | ||
6 | % AMPL (default = 1) and PHASE (default = 0) are optional. | ||
7 | |||
8 | % Eero Simoncelli, 6/96. | ||
9 | |||
10 | function [res] = mkZonePlate(sz, ampl, ph) | ||
11 | |||
12 | sz = sz(:); | ||
13 | if (size(sz,1) == 1) | ||
14 | sz = [sz,sz]; | ||
15 | end | ||
16 | |||
17 | mxsz = max(sz(1),sz(2)); | ||
18 | |||
19 | %------------------------------------------------------------ | ||
20 | %% OPTIONAL ARGS: | ||
21 | |||
22 | if (exist('ampl') ~= 1) | ||
23 | ampl = 1; | ||
24 | end | ||
25 | |||
26 | if (exist('ph') ~= 1) | ||
27 | ph = 0; | ||
28 | end | ||
29 | |||
30 | %------------------------------------------------------------ | ||
31 | |||
32 | res = ampl * cos( (pi/mxsz) * mkR(sz,2) + ph ); | ||
33 | |||