Classes
class	cv::BOWImgDescriptorExtractor
	Class to compute an image descriptor using the bag of visual words. More...

class	cv::BOWKMeansTrainer
	kmeans -based class to train visual vocabulary using the bag of visual words approach. : More...

class	cv::BOWTrainer
	Abstract base class for training the bag of visual words vocabulary from a set of descriptors. More...

Detailed Description

This section describes approaches based on local 2D features and used to categorize objects.

Note

A complete Bag-Of-Words sample can be found at opencv_source_code/samples/cpp/bagofwords_classification.cpp
- (Python) An example using the features2D framework to perform object categorization can be found at opencv_source_code/samples/python2/find_obj.py

Classes