diff options
Diffstat (limited to 'SD-VBS/benchmarks/texture_synthesis/src/matlab/wpyrLev.m')
-rwxr-xr-x | SD-VBS/benchmarks/texture_synthesis/src/matlab/wpyrLev.m | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlab/wpyrLev.m b/SD-VBS/benchmarks/texture_synthesis/src/matlab/wpyrLev.m deleted file mode 100755 index 18f30ae..0000000 --- a/SD-VBS/benchmarks/texture_synthesis/src/matlab/wpyrLev.m +++ /dev/null | |||
@@ -1,30 +0,0 @@ | |||
1 | % [LEV,IND] = wpyrLev(PYR,INDICES,LEVEL) | ||
2 | % | ||
3 | % Access a level from a separable QMF/wavelet pyramid. | ||
4 | % Return as an SxB matrix, B = number of bands, S = total size of a band. | ||
5 | % Also returns an Bx2 matrix containing dimensions of the subbands. | ||
6 | |||
7 | % Eero Simoncelli, 6/96. | ||
8 | |||
9 | function [lev,ind] = wpyrLev(pyr,pind,level) | ||
10 | |||
11 | if ((pind(1,1) == 1) | (pind(1,2) ==1)) | ||
12 | nbands = 1; | ||
13 | else | ||
14 | nbands = 3; | ||
15 | end | ||
16 | |||
17 | if ((level > wpyrHt(pind)) | (level < 1)) | ||
18 | error(sprintf('Level number must be in the range [1, %d].', wpyrHt(pind))); | ||
19 | end | ||
20 | |||
21 | firstband = 1 + nbands*(level-1) | ||
22 | firstind = 1; | ||
23 | for l=1:firstband-1 | ||
24 | firstind = firstind + prod(pind(l,:)); | ||
25 | end | ||
26 | |||
27 | |||
28 | ind = pind(firstband:firstband+nbands-1,:); | ||
29 | lev = pyr(firstind:firstind+sum(prod(ind'))-1); | ||
30 | |||