Mercurial > hg > emotion-detection-top-level
comparison Code/Descriptors/yin/private/src/dftoperiod2.m @ 0:ea0c737c6323
first commit
| author | Dawn Black <dawn.black@eecs.qmul.ac.uk> |
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| date | Thu, 26 Jul 2012 14:46:25 +0100 |
| parents | |
| children |
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| -1:000000000000 | 0:ea0c737c6323 |
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| 1 % prd=dftoperiod2(d,b,t) - estimate period from difference function | |
| 2 % | |
| 3 % prd: row matrix of period estimates | |
| 4 % | |
| 5 % d: column vector or matrix of difference functions | |
| 6 % b: bounds matrix ([lo, hi]) | |
| 7 % t: threshold | |
| 8 % | |
| 9 % Difference functions are supposed to be cumulative-mean-normalized. | |
| 10 % For each column of d, search for the first minimum between lo and hi that | |
| 11 % falls below threshold. The index of this minimum (re 0) | |
| 12 % is the period estimate. | |
| 13 % | |
| 14 % This version differs from dftoperiod in that the threshold is | |
| 15 % incremented by the global minimum of the difference function. | |
| 16 % | |
| 17 % Mex function. |