A novel document ranking method using the discrete cosine transform
AuthorPark, LAF; Palaniswami, M; Ramamohanarao, K
Source TitleIEEE Transactions on Pattern Analysis and Machine Intelligence
PublisherIEEE COMPUTER SOC
AffiliationComputer Science and Software Engineering
Document TypeJournal Article
CitationsPark, L. A. F., Palaniswami, M. & Ramamohanarao, K. (2005). A novel document ranking method using the discrete cosine transform. IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, 27 (1), pp.130-135. https://doi.org/10.1109/TPAMI.2005.2.
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We propose a new Spectral text retrieval method using the Discrete Cosine Transform (DCT). By taking advantage of the properties of the DCT and by employing the fast query and compression techniques found in vector space methods (VSM), we show that we can process queries as fast as VSM and achieve a much higher precision.
KeywordsArtificial Intelligence and Image Processing; Information Systems
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