Package boofcv.alg.scene.nister2006
package boofcv.alg.scene.nister2006
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ClassDescriptionLearnNodeWeights<Point>Learns node weights in the
HierarchicalVocabularyTreefor use inRecognitionVocabularyTreeNister2006by counting the number of unique images a specific node/word appears in then computes the weight using an entropy like cost function.Image recognition based off of [1] using inverted files.Used to sum the frequency of words (graph nodes) in the imageGeneralized way for normalizing and computing the distance between two sparse descriptors in a map format.L1-norm for scoringL2-norm for scoringDistance functions that are supported