BOW(Bag Of Words) We count the number of each word appears in a document, use the frequency of each word to know the keywords of the document, and make a frequency histogram from it. We treat a document as a bag of words (BOW). BOVW(Bag Of Visual Words) Instead of words, we use image features as the “words”. Image features are unique pattern that we can find in an image. It is to represent an im..
