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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 发表日期：2020    专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 An efficient retrieval approach for encrypted speech based on biological hashing and spectral subtraction 期刊论文 Multimedia Tools and Applications, 2020, 卷号: 79, 期号: 39-40, 页码: 29775-29798 作者:  Zhang, Qiu-yu;  Li, Gai-li;  Huang, Yi-bo 收藏  |  浏览/下载：14/0  |  提交时间：2020/11/14 Authentication  Conformal mapping  Cryptography  Discrete wavelet transforms  Efficiency  Fast Fourier transforms  Hamming distance  Photomapping  Signal reconstruction  Speech  Speech communication  Autocorrelation functions  Distance algorithm  Encrypted speech  Integrity authentications  Mapping algorithms  Retrieval efficiency  Spectral subtractions  Strong robustness   Multi-format speech BioHashing based on spectrogram 期刊论文 Multimedia Tools and Applications, 2020, 卷号: 79, 期号: 33-34, 页码: 24889-24909 作者:  Huang, Yi-bo;  Wang, Yong;  Zhang, Qiu-yu;  Zhang, Wei-zhao;  Fan, Man-hong 收藏  |  浏览/下载：11/0  |  提交时间：2020/11/14 Authentication  Chaotic systems  Discrete cosine transforms  Eigenvalues and eigenfunctions  Factorization  Spectrographs  Authentication algorithm  Nonnegative matrix factorization  Real time performance  Security problems  Speech perception  Strong robustness  Two dimensional discrete cosine transform  Unidirectionality   Improved Alexnet Based Fault Diagnosis Method for Rolling Bearing Under Variable Conditions 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2020, 卷号: 40, 期号: 3, 页码: 472-480 作者:  Zhao, Xiaoqiang;  Zhang, Qingqing 收藏  |  浏览/下载：19/0  |  提交时间：2020/11/14 Convolution  Failure analysis  Fault detection  Iterative methods  Time domain analysis  Complex condition  Fault diagnosis method  Iterative Optimization  State identification  Time-domain signal  Two-dimensional features  Two-dimensional spectrum  Variable conditions   An Adaptive Peak Detection Method for Inspection of Breakages in Long Rails by Using Barker Coded UGW 期刊论文 IEEE Access, 2020, 卷号: 8, 期号: 8, 页码: 48529-48542 作者:  Xiaoyuan Wei;  Yuan Yang;  Jesús Ureña;  Jiaxuan Yan;  Haozhen Wang 收藏  |  浏览/下载：30/0  |  提交时间：2022/03/10 Peaks detection  barker code  pulse compression  long rail breakages detection  UGW   An encrypted speech retrieval algorithm based on Chirp-Z transform and perceptual hashing second feature extraction 期刊论文 Multimedia Tools and Applications, 2020, 卷号: 79, 期号: 9-10, 页码: 6337-6361 作者:  Zhang, Qiu-yu;  Ge, Zi-xian;  Hu, Ying-jie;  Bai, Jian;  Huang, Yi-bo 收藏  |  浏览/下载：9/0  |  提交时间：2020/11/14 Cryptography  Efficiency  Extraction  Feature extraction  K-means clustering  Matrix algebra  Security of data  Z transforms  Chirp Z transform  Encrypted speech  Perceptual hashing  Random Matrix  Speech denoising