CvClassifier和宏 CV_CLASSIFIER_FIELDS()

/* classifier fields common to all classifiers */
#define CV_CLASSIFIER_FIELDS()                                                               int flags;                                                                               float(*eval)( struct CvClassifier*, CvMat* );                                            void (*tune)( struct CvClassifier*, CvMat*, int flags, CvMat*, CvMat*, CvMat*,                         CvMat*, CvMat* );                                                          int  (*save)( struct CvClassifier*, const char* file_name );                             void (*release)( struct CvClassifier** );

typedef struct CvClassifier
{
    CV_CLASSIFIER_FIELDS()
} CvClassifier;

#define CV_CLASSIFIER_TRAIN_PARAM_FIELDS()
typedef struct CvClassifierTrainParams
{
    CV_CLASSIFIER_TRAIN_PARAM_FIELDS()
} CvClassifierTrainParams;

CvClassifier和宏 CV_CLASSIFIER_FIELDS()

原文：http://blog.csdn.net/ding977921830/article/details/46530075