qm-dsp  1.8
cluster_segmenter.h
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1 #ifndef _CLUSTER_SEGMENTER_H
2 #define _CLUSTER_SEGMENTER_H
3 
4 /*
5  * cluster_segmenter.h
6  * soundbite
7  *
8  * Created by Mark Levy on 06/04/2006.
9  * Copyright 2006 Centre for Digital Music, Queen Mary, University of London.
10 
11  This program is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public License as
13  published by the Free Software Foundation; either version 2 of the
14  License, or (at your option) any later version. See the file
15  COPYING included with this distribution for more information.
16  *
17  */
18 
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <math.h>
22 #include <float.h>
23 
24 #include "segment.h"
25 #include "cluster_melt.h"
26 #include "hmm/hmm.h"
27 #include "maths/pca/pca.h"
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 /* applies MPEG-7 normalisation to constant-Q features, storing normalised envelope (norm) in last feature dimension */
34 void mpeg7_constq(double** features, int nframes, int ncoeff);
35 
36 /* converts constant-Q features to normalised chroma */
37 void cq2chroma(double** cq, int nframes, int ncoeff, int bins, double** chroma);
38 
39 void create_histograms(int* x, int nx, int m, int hlen, double* h);
40 
41 void cluster_segment(int* q, double** features, int frames_read, int feature_length, int nHMM_states,
42  int histogram_length, int nclusters, int neighbour_limit);
43 
44 void constq_segment(int* q, double** features, int frames_read, int bins, int ncoeff, int feature_type,
45  int nHMM_states, int histogram_length, int nclusters, int neighbour_limit);
46 
47 #ifdef __cplusplus
48 }
49 #endif
50 
51 #endif
void cluster_segment(int *q, double **features, int frames_read, int feature_length, int nHMM_states, int histogram_length, int nclusters, int neighbour_limit)
void constq_segment(int *q, double **features, int frames_read, int bins, int ncoeff, int feature_type, int nHMM_states, int histogram_length, int nclusters, int neighbour_limit)
void cq2chroma(double **cq, int nframes, int ncoeff, int bins, double **chroma)
void mpeg7_constq(double **features, int nframes, int ncoeff)
void create_histograms(int *x, int nx, int m, int hlen, double *h)