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- W2950339685 abstract "Hashing methods have been widely investigated for fast approximate nearest neighbor searching in large data sets. Most existing methods use binary vectors in lower dimensional spaces to represent data points that are usually real vectors of higher dimensionality. We divide the hashing process into two steps. Data points are first embedded in a low-dimensional space, and the global positioning system method is subsequently introduced but modified for binary embedding. We devise dataindependent and data-dependent methods to distribute the satellites at appropriate locations. Our methods are based on finding the tradeoff between the information losses in these two steps. Experiments show that our data-dependent method outperforms other methods in different-sized data sets from 100k to 10M. By incorporating the orthogonality of the code matrix, both our data-independent and data-dependent methods are particularly impressive in experiments on longer bits." @default.
- W2950339685 created "2019-06-27" @default.
- W2950339685 creator A5021376590 @default.
- W2950339685 creator A5074103823 @default.
- W2950339685 date "2019-04-18" @default.
- W2950339685 modified "2023-09-27" @default.
- W2950339685 title "Global Hashing System for Fast Image Search" @default.
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- W2950339685 doi "https://doi.org/10.48550/arxiv.1904.08685" @default.
- W2950339685 hasPublicationYear "2019" @default.
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