Mercurial > hg > segmentation
changeset 8:a34f9c5d0cd9
remove pyc files tracked by mistake
| author | mitian |
|---|---|
| date | Mon, 11 May 2015 17:29:19 +0100 |
| parents | 294f66d285af |
| children | 65f3c67196e1 |
| files | novelty.py utils/ComputationCache.pyc utils/GmmMetrics.pyc utils/MutualInfo.pyc utils/OnsetPlotProc.pyc utils/PathTracker.pyc utils/PeakPickerUtil.pyc |
| diffstat | 7 files changed, 11 insertions(+), 0 deletions(-) [+] |
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--- a/novelty.py Tue May 05 08:54:09 2015 +0100 +++ b/novelty.py Mon May 11 17:29:19 2015 +0100 @@ -46,6 +46,17 @@ novelty = (novelty - np.min(novelty)) / (np.max(novelty) - np.min(novelty)) return novelty +def getNoveltyDiff(novelty, N=1, relative=False): + '''Return the second order differece in the novelty curve.''' + + diff = np.zeros_like(novelty) + diff[:-N] = np.diff(novelty, n=N) + + if relative: + diff /= novelty + + return diff + def getDiagonalSlice(ssm, width): ''' Return a diagonal stripe of the ssm given its width, with 45 degrees rotation. Note: requres 45 degrees rotated kernel also.'''