class CanberraMetric
The Canberra distance sums up the dissimilarity (ratios) between feature dimensions of two data points.
A summation element has range [0,1]. Note that and
.
在文件CanberraMetric.h第35行定义。
公有成员 | |
CCanberraMetric () | |
CCanberraMetric (CSimpleFeatures< float64_t > *l, CSimpleFeatures< float64_t > *r) | |
virtual | ~CCanberraMetric () |
virtual bool | init (CFeatures *l, CFeatures *r) |
virtual void | cleanup () |
virtual EDistanceType | get_distance_type () |
virtual const char * | get_name () const |
保护成员 | |
virtual float64_t | compute (int32_t idx_a, int32_t idx_b) |
CCanberraMetric | ( | ) |
default constructor
在文件CanberraMetric.cpp第20行定义。
CCanberraMetric | ( | CSimpleFeatures< float64_t > * | l, | |
CSimpleFeatures< float64_t > * | r | |||
) |
constructor
l | features of left-hand side | |
r | features of right-hand side |
在文件CanberraMetric.cpp第25行定义。
~CCanberraMetric | ( | ) | [virtual] |
在文件CanberraMetric.cpp第31行定义。
void cleanup | ( | ) | [virtual] |
float64_t compute | ( | int32_t | idx_a, | |
int32_t | idx_b | |||
) | [protected, virtual] |
compute distance for features a and b idx_{a,b} denote the index of the feature vectors in the corresponding feature object
实现了CDistance。
在文件CanberraMetric.cpp第47行定义。
virtual EDistanceType get_distance_type | ( | ) | [virtual] |
virtual const char* get_name | ( | ) | const [virtual] |
init distance
l | features of left-hand side | |
r | features of right-hand side |
重载CSimpleDistance< float64_t >。
在文件CanberraMetric.cpp第36行定义。