Unsupervised Nonlinear Hashing Using Nyström Method with Improved Sequential Projection Learning


Hashing is becoming a popular and effective method for nearest neighbor search in large-scale databases, due to its computational and memory efficient. In this paper, we present an efficient unsupervised nonlinear hashing method to transform high-dimensional data to low-dimensional binary data for fast retrieval. Firstly, we use the Nyström method to… (More)


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