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the source code of the article A New VLAD Method with Dense SIFT Selection Application in Image Classification

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This is the source code of the article A New VLAD Method with Dense SIFT Selection Application in Image Classification. The code is based on vlfeat

abstract:

Since Dense SIFT causes a long time spending during clustering due to an excessive order of magnitude, and its feature descriptors reserve excessive insignificant features, we present a new method that using SLIC to select descriptors to address this problem. Furthermore, when VLAD aggregates, the partial directions of feature vectors have the excessive data offset and still distorts after the dimension deduction treatment. Regarding such issue, the algorithm that possesses the optimized clustering descriptor with feature membership information called FS-VLAD is proposed. The algorithm adopts the principle of the fuzzy cost function with the smallest deviation regarding the quadratic sum of the neighbor clustering center to calculate the feature membership degree. After conducting classification test, the result demonstrates that in comparison with the mainstream Dense SIFT + VLAD classification model, the new methods could improve by around 15%, and possesses better generality.

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the source code of the article A New VLAD Method with Dense SIFT Selection Application in Image Classification

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