X-Git-Url: http://git.maemo.org/git/?p=opencv;a=blobdiff_plain;f=apps%2Ftraincascade%2Fboost.h;fp=apps%2Ftraincascade%2Fboost.h;h=35af0600db589c516cc74ea002a63a208abf8c50;hp=0000000000000000000000000000000000000000;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hpb=454138ff8a20f6edb9b65a910101403d8b520643;ds=sidebyside

diff --git a/apps/traincascade/boost.h b/apps/traincascade/boost.h
new file mode 100755
index 0000000..35af060
--- /dev/null
+++ b/apps/traincascade/boost.h
@@ -0,0 +1,84 @@
+#ifndef _OPENCV_BOOST_H_
+#define _OPENCV_BOOST_H_
+
+#include "features.h"
+#include "ml.h"
+
+struct CvCascadeBoostParams : CvBoostParams
+{
+    float minHitRate;
+    float maxFalseAlarm;
+    
+    CvCascadeBoostParams();
+    CvCascadeBoostParams( int _boostType, float _minHitRate, float _maxFalseAlarm,
+                          double _weightTrimRate, int _maxDepth, int _maxWeakCount );
+    virtual ~CvCascadeBoostParams() {}
+    void write( FileStorage &fs ) const;
+    bool read( const FileNode &node );
+    virtual void printDefaults() const;
+    virtual void printAttrs() const;
+    virtual bool scanAttr( const String prmName, const String val);
+};
+
+struct CvCascadeBoostTrainData : CvDTreeTrainData
+{
+    CvCascadeBoostTrainData( const CvFeatureEvaluator* _featureEvaluator,
+                             const CvDTreeParams& _params );
+    CvCascadeBoostTrainData( const CvFeatureEvaluator* _featureEvaluator,
+                             int _numSamples, int _precalcValBufSize, int _precalcIdxBufSize,
+                             const CvDTreeParams& _params = CvDTreeParams() );
+    virtual void setData( const CvFeatureEvaluator* _featureEvaluator,
+                          int _numSamples, int _precalcValBufSize, int _precalcIdxBufSize,
+                          const CvDTreeParams& _params=CvDTreeParams() );
+    void precalculate();
+
+    virtual void get_class_labels( CvDTreeNode* n, int* labelsBuf, const int** labels );
+    virtual void get_cv_labels( CvDTreeNode* n, int* labelsBuf, const int** labels );
+    virtual void get_sample_indices( CvDTreeNode* n, int* indicesBuf, const int** labels );
+    
+    virtual int get_ord_var_data( CvDTreeNode* n, int vi, float* ordValuesBuf, int* indicesBuf,
+                                  const float** ordValues, const int** indices );
+    virtual int get_cat_var_data( CvDTreeNode* n, int vi, int* catValuesBuf, const int** catValues );
+    virtual float getVarValue( int vi, int si );
+    virtual void free_train_data();
+
+    const CvFeatureEvaluator* featureEvaluator;
+    Mat valCache; // precalculated feature values (CV_32FC1)
+    CvMat _resp; // for casting
+    int numPrecalcVal, numPrecalcIdx;
+};
+
+class CvCascadeBoostTree : public CvBoostTree
+{
+public:
+    virtual CvDTreeNode* predict( int sampleIdx ) const;
+    void write( FileStorage &fs, const Mat& featureMap );
+    void read( const FileNode &node, CvBoost* _ensemble, CvDTreeTrainData* _data );
+    void markFeaturesInMap( Mat& featureMap );
+protected:
+    virtual void split_node_data( CvDTreeNode* n );
+};
+
+class CvCascadeBoost : public CvBoost
+{
+public:
+    virtual bool train( const CvFeatureEvaluator* _featureEvaluator,
+                        int _numSamples, int _precalcValBufSize, int _precalcIdxBufSize,
+                        const CvCascadeBoostParams& _params=CvCascadeBoostParams() );
+    virtual float predict( int sampleIdx, bool returnSum = false ) const;
+
+    float getThreshold() const { return threshold; }; 
+    void write( FileStorage &fs, const Mat& featureMap ) const;
+    bool read( const FileNode &node, const CvFeatureEvaluator* _featureEvaluator,
+               const CvCascadeBoostParams& _params );
+    void markUsedFeaturesInMap( Mat& featureMap );
+protected:
+    virtual bool set_params( const CvBoostParams& _params );
+    virtual void update_weights( CvBoostTree* tree );
+    virtual bool isErrDesired();
+
+    float threshold;
+    float minHitRate, maxFalseAlarm;
+};
+
+#endif