19 September 2017 Fast perceptual image hash based on cascade algorithm
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In this paper, we propose a perceptual image hash algorithm based on cascade algorithm, which can be applied in image authentication, retrieval, and indexing. Image perceptual hash uses for image retrieval in sense of human perception against distortions caused by compression, noise, common signal processing and geometrical modifications. The main disadvantage of perceptual hash is high time expenses. In the proposed cascade algorithm of image retrieval initializes with short hashes, and then a full hash is applied to the processed results. Computer simulation results show that the proposed hash algorithm yields a good performance in terms of robustness, discriminability, and time expenses.
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Alexey Ruchay, Alexey Ruchay, Vitaly Kober, Vitaly Kober, Evgeniya Yavtushenko, Evgeniya Yavtushenko, } "Fast perceptual image hash based on cascade algorithm", Proc. SPIE 10396, Applications of Digital Image Processing XL, 1039625 (19 September 2017); doi: 10.1117/12.2272716; https://doi.org/10.1117/12.2272716


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