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Multimedia hashing is a useful technology of multimedia management, e.g., multimedia search and multimedia security. (is paper proposes a robust multimedia hashing for processing videos. (e proposed video hashing constructs a high-dimensional matrix via gradient features in the discrete wavelet transform (DWT) domain of preprocessed video, learns low-dimensional features from high-dimensional matrix via multidimensional scaling, and calculates video hash by ordinal measures of the learned low-dimensional features. Extensive experiments on 8300 videos are performed to examine the proposed video hashing. Performance comparisons reveal that the proposed scheme is better than several state-of-the-art schemes in balancing the performances of robustness and discrimination.

Robust Video Hashing Based on Multidimensional Scaling and Ordinal Measures