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IEICE TRANSACTIONS on Fundamentals

DCT Sign-Based Similarity Measure for JPEG Image Retrieval

Fitri ARNIA, Ikue IIZUKA, Masaaki FUJIYOSHI, Hitoshi KIYA

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Summary :

We propose a method to retrieve similar and duplicate images from a JPEG (Joint Photographic Image Group) image database. Similarity level is decided based on the DCT (Discrete Cosine Transform) coefficients signs. The method is simple and fast because it uses the DCT coefficients signs as features, which can be obtained directly after partial decoding of JPEG bitstream. The method is robust to JPEG compression, in which similarity level of duplicate images, i.e., images that are compressed from the same original images with different compression ratios, is not disguised due to JPEG compression. Simulation results showed the superiority of the method compared to previous methods in terms of computational complexity and robustness to JPEG compression.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E90-A No.9 pp.1976-1985
Publication Date
2007/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e90-a.9.1976
Type of Manuscript
PAPER
Category
Image

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