OpenCV  4.5.0-dev
Open Source Computer Vision
Classes
Object Categorization

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/python/find_obj.py