diff options
Diffstat (limited to 'SD-VBS/benchmarks/texture_synthesis/src/matlab/subMtx.m')
-rwxr-xr-x | SD-VBS/benchmarks/texture_synthesis/src/matlab/subMtx.m | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlab/subMtx.m b/SD-VBS/benchmarks/texture_synthesis/src/matlab/subMtx.m new file mode 100755 index 0000000..ea3c2ea --- /dev/null +++ b/SD-VBS/benchmarks/texture_synthesis/src/matlab/subMtx.m | |||
@@ -0,0 +1,21 @@ | |||
1 | % MTX = subMtx(VEC, DIMENSIONS, START_INDEX) | ||
2 | % | ||
3 | % Reshape a portion of VEC starting from START_INDEX (optional, | ||
4 | % default=1) to the given dimensions. | ||
5 | |||
6 | % Eero Simoncelli, 6/96. | ||
7 | |||
8 | function mtx = subMtx(vec, sz, offset) | ||
9 | |||
10 | if (exist('offset') ~= 1) | ||
11 | offset = 1; | ||
12 | end | ||
13 | |||
14 | vec = vec(:); | ||
15 | sz = sz(:); | ||
16 | |||
17 | if (size(sz,1) ~= 2) | ||
18 | error('DIMENSIONS must be a 2-vector.'); | ||
19 | end | ||
20 | |||
21 | mtx = reshape( vec(offset:offset+prod(sz)-1), sz(1), sz(2) ); | ||