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浏览/检索结果: 共5条，第1-5条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 An Improved Robust Digital Image Watermarking Algorithm based on two-level DCT 会议论文 Beijing, China, November 18-21, 2021 作者:  Huijuan Guo;  Baoning Niu;  Ying Huang;  Hu Guan;  Fangpeng Lan 收藏  |  浏览/下载：26/0  |  提交时间：2022/04/08 A fast speech feature extraction method based on perceptual hashing 会议论文 Guilin, Guangxi, China, July 29, 2017 - July 31, 2017 作者:  Zhang, Qiuyu;  Qiao, Sibin;  Zhang, Tao;  Huang, Yibo 收藏  |  浏览/下载：8/0  |  提交时间：2020/11/15 Discrete cosine transforms  Efficiency  Extraction  Feature extraction  Fuzzy systems  Speech  Compressive sensing  Existing problems  Feature extraction methods  MDCT coefficients  Measurement matrix  Modified discrete cosine transforms  Perceptual feature  Perceptual hashing   Frequency estimation performance of several MDCT domain algorithms 会议论文 作者:  Dun, Yujie;  Liu, Guizhong 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/03 Audio processing  Cramer-rao bound (CRB)  DFT algorithms  Estimation performance  Modified discrete cosine transforms  Signaltonoise ratio (SNR)  Sinusoidal signals  White Gaussian Noise   Perceptual hashing algorithm for speech content identification based on spectrum entropy in compressed domain 期刊论文 International Journal on Smart Sensing and Intelligent Systems, 2014, 卷号: 7, 期号: 1, 页码: 283-300 作者:  Zhang, Qiu-Yu;  Liu, Yang-Wei;  Huang, Yi-Bo;  Xing, Peng-Fei;  Yang, Zhong-Ping 收藏  |  浏览/下载：9/0  |  提交时间：2020/11/14 Computational complexity  Decoding  Discrete cosine transforms  Speech  Compressed domain  Hashing algorithms  Identification method  Information entropy  Modified discrete cosine transforms  Real time performance  Real-time communication  Spectrum entropy   Channel estimation algorithm based on 2-D DFT with multiple pilot patterns in OFDM systems 期刊论文 2010, 2010 Ge Qihong; Lu Jianhua; Mei Shunliang 收藏  |  浏览/下载：3/0