Commonly using Dimension Reduction Extract featuresLearn visual vocabularyQuantize features using visual vocabularyFeature Extraction NotionDetect PatchesVector QuantizerCode VectorCodebookHierarchical local patterns [Tutorial] Image Feature Extraction and MatchingExplore and run machine learning code with Kaggle Notebooks | Using data from multiple data sourceshttps://www.kaggle.com/code/wesamelshamy/tutorial-image-feature-extraction-and-matchingNLP Preprocessing & Feature Extraction Methods A-ZExplore and run machine learning code with Kaggle Notebooks | Using data from multiple data sourceshttps://www.kaggle.com/code/longtng/nlp-preprocessing-feature-extraction-methods-a-z