An encrypted speech retrieval algorithm based on Chirp-Z transform and perceptual hashing second feature extraction - researchr publication

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Qiu-yu Zhang, Zi-xian Ge, Ying-jie Hu, Jian Bai, Yi-Bo Huang. An encrypted speech retrieval algorithm based on Chirp-Z transform and perceptual hashing second feature extraction. Multimedia Tools Appl., 79(9):6337-6361, 2020. [doi]

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