Features2d_category

クラス
class	cv::BOWTrainer
	Abstract base class for training the bag of visual words vocabulary from a set of descriptors. [詳解]
class	cv::BOWKMeansTrainer
	kmeans -based class to train visual vocabulary using the bag of visual words approach. : [詳解]
class	cv::BOWImgDescriptorExtractor
	Class to compute an image descriptor using the bag of visual words. [詳解]

詳解