diff options
Diffstat (limited to 'SD-VBS/benchmarks/texture_synthesis/src/matlab/skew2.m')
| -rwxr-xr-x | SD-VBS/benchmarks/texture_synthesis/src/matlab/skew2.m | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlab/skew2.m b/SD-VBS/benchmarks/texture_synthesis/src/matlab/skew2.m deleted file mode 100755 index 623d6ca..0000000 --- a/SD-VBS/benchmarks/texture_synthesis/src/matlab/skew2.m +++ /dev/null | |||
| @@ -1,21 +0,0 @@ | |||
| 1 | % S = SKEW2(MTX,MEAN,VAR) | ||
| 2 | % | ||
| 3 | % Sample skew (third moment divided by variance^3/2) of a matrix. | ||
| 4 | % MEAN (optional) and VAR (optional) make the computation faster. | ||
| 5 | |||
| 6 | function res = skew2(mtx, mn, v) | ||
| 7 | |||
| 8 | if (exist('mn') ~= 1) | ||
| 9 | mn = mean2(mtx); | ||
| 10 | end | ||
| 11 | |||
| 12 | if (exist('v') ~= 1) | ||
| 13 | v = var2(mtx,mn); | ||
| 14 | end | ||
| 15 | |||
| 16 | if (isreal(mtx)) | ||
| 17 | res = mean(mean((mtx-mn).^3)) / (v^(3/2)); | ||
| 18 | else | ||
| 19 | res = mean(mean(real(mtx-mn).^3)) / (real(v)^(3/2)) + ... | ||
| 20 | i * mean(mean(imag(mtx-mn).^3)) / (imag(v)^(3/2)); | ||
| 21 | end | ||
