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浏览/检索结果: 共8条，第1-8条 帮助 限定条件 内容类型：期刊论文    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 A retrieval method for encrypted speech based on improved power normalized cepstrum coefficients and perceptual hashing 期刊论文 Multimedia Tools and Applications, 2022, 卷号: 81, 期号: 11, 页码: 15127-15151 作者:  Zhang, Qiu-yu;  Bai, Jian;  Xu, Fu-jiu 收藏  |  浏览/下载：26/0  |  提交时间：2022/06/20 Authentication  Chaotic systems  Discrete wavelet transforms  Efficiency  Extraction  Hamming distance  Hash functions  Information retrieval  Principal component analysis  Speech  Cepstrum  Chaotic mapping  Encrypted speech  Encrypted speech retrieval  Features extraction  Henon chaotic mapping  Perceptual hashing  Power  Power normalized cepstrum coefficient  Speech feature extraction  Speech features  Speech retrieval   FewHshot image classification method based on sliding feature vectors 期刊论文 Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition), 2021, 卷号: 51, 期号: 5, 页码: 1785-1791 作者:  Cao, Jie;  Qu, Xue;  Li, Xiao-Xu 收藏  |  浏览/下载：18/0  |  提交时间：2022/02/17 Query processing  Vector spaces  Class distributions  Classification methods  Computer applications technologies  Feature space  Features vector  Few-shot learning  Images classification  Local feature  Metric learning  Misclassifications   BSNet: Bi-Similarity Network for Few-shot Fine-grained Image Classification 期刊论文 IEEE Transactions on Image Processing, 2021, 卷号: 30, 页码: 1318-1331 作者:  Li, Xiaoxu;  Wu, Jijie;  Sun, Zhuo;  Ma, Zhanyu;  Cao, Jie 收藏  |  浏览/下载：6/0  |  提交时间：2021/03/02 Embeddings  Image enhancement  Benchmark datasets  Discriminative features  Feature space  Metric-based methods  Model generalization  Similarity measure  Similarity network  State of the art   A k -Anonymous Location Privacy Protection Method of Polygon Based on Density Distribution 期刊论文 International Journal of Network Security, 2021, 卷号: 23, 期号: 1, 页码: 57-66 作者:  Zhang, Yong-Bing;  Zhang, Qiu-Yu;  Yan, Yan;  Jiang, Yi-Long;  Zhang, Mo-Yi 收藏  |  浏览/下载：17/0  |  提交时间：2021/06/03 Data privacy  Geometry  Location  Density distributions  Density threshold  Geographical features  Location information  Location privacy protection  Privacy protection  Query service   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：13/0  |  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   A k-anonymous location privacy protection method of dummy based on approximate matching 期刊论文 Kongzhi yu Juece/Control and Decision, 2020, 卷号: 35, 期号: 1, 页码: 65-73 作者:  Zhang, Yong-Bing;  Zhang, Qiu-Yu;  Li, Zong-Yi;  Duan, Hong-Xiang;  Zhang, Mo-Yi 收藏  |  浏览/下载：16/0  |  提交时间：2020/11/14 Data privacy  Efficiency  Location  Quality of service  Semantics  Telecommunication services  Approximate matching  Candidate sets  Dummy  Location privacy protection  Physical dispersion  Privacy protection  Semantic features  Semantic similarity   A classification retrieval method for encrypted speech based on deep neural network and deep hashing 期刊论文 IEEE Access, 2020, 卷号: 8, 页码: 202469-202482 作者:  Zhang, Qiuyu;  Zhao, Xuejiao;  Hu, Yingjie 收藏  |  浏览/下载：14/0  |  提交时间：2022/02/18 Binary codes  Chaotic systems  Classification (of information)  Convolution  Convolutional neural networks  Deep neural networks  Efficiency  Hamming distance  Hash functions  Information retrieval  Learning systems  Semantics  Speech   An efficient retrieval method of encrypted speech based on frequency band variance 期刊论文 Journal of Information Hiding and Multimedia Signal Processing, 2018, 卷号: 9, 期号: 6, 页码: 1452-1463 作者:  Zhang, Qiu-Yu;  Ge, Zi-Xian;  Qiao, Si-Bin 收藏  |  浏览/下载：5/0  |  提交时间：2020/11/14 Cryptography  Hamming distance  Information retrieval  Distance algorithm  Encrypted speech  Perceptual hashing  Retrieval accuracy  Retrieval efficiency  Retrieval methods  Retrieval performance  Speech features