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作品数:1369被引量:2243H指数:16
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  • 期刊=Chinese Journal of Electronicsx
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Low-Rank Combined Adaptive Sparsifying Transform for Blind Compressed Sensing Image Recovery
《Chinese Journal of Electronics》2020年第4期678-685,共8页HE Ning WANG Ruolin LYU Jiayi XUE Jian 
supported by the National Natural Science Foundation of China(No.61572077,No.61872042,No.61370138,No.61671426,No.61731022);the Project of Oriented Characteristic Disciplines(No.KYDE40201701);Joint Research Fund in Astronomy under cooperative agreement between the National Natural Science Foundation of China(NSFC)and Chinese Academy of Sciences(CAS)(No.U1531242);the Beijing Natural Science Foundation(No.4182071);the Innovation Practice Training Program for College Students of Chinese Academy of Sciences。
Compressed sensing(CS)exploits the sparsity of images or image patches in a transform domain or synthesis dictionary to reconstruct images from undegraded images.Because the synthesis dictionary learning methods invol...
关键词:Low-rank Sparsifying transform Blind compressed sensing(BCS) Patch coordinate descent(PCD) Image recovery 
Short-Range Multitarget Motion Parameter Estimation Method Based on Hough Transform被引量:5
《Chinese Journal of Electronics》2019年第2期344-348,共5页LYU Peng WEI Guohua CUI Wei 
supported by the National Natural Science Foundation of China(No.61671059)
This study proposes a novel short-range multitarget motion parameter estimation method based on Hough transform. The proposed method can be used for multitarget detection, motion parameter estimation, and data associa...
关键词:CLUSTERING HOUGH TRANSFORM Multitarget PARAMETER ESTIMATION SHORT-RANGE 
Fast Algorithm for Inverse Two-Dimensional S Transform and Its Application in Time-Frequency Filtering for SAR Image Despeckling被引量:1
《Chinese Journal of Electronics》2016年第1期100-105,共6页GAO Fei ZHANG Ye WANG Jun SUN Jinping 
supported by the National Natural Science Foundation of China(No.61071139,No.61171122,No.61471019,No.61501011);the Aeronautical Science Foundation of China(No.20142051022);the Pre-research Project(No.9140A07040515HK01009)
S transform is a time-frequency representation which has been applied in various fields, yet suffers the problem of time and resource consumption. In order to overcome this problem and facilitate its application in im...
关键词:Time-frequency representation Fast al-gorithm Two-dimensional S transform Time-frequencyfilter Synthetic aperture radar (SAR) image Speckle noisereduction. 
Visible and Infrared Video Fusion Using Uniform Discrete Curvelet Transform and Spatial-Temporal Information被引量:4
《Chinese Journal of Electronics》2015年第4期761-766,共6页LI Qingping DU Junping XU Liang 
supported by the National Basic Research Program of China(973 Program)(No.2012CB821200–2012CB821206);the National Natural Science Foundation of China(No.91024001,No.61070142);the Beijing Natural Science Foundation(No.4111002)
Multiple visual sensor fusion provides an effective way to improve the robustness and accuracy of video surveillance system. Traditional video fusion methods fuse the source videos using static image fusion methods fr...
关键词:Video fusion UNIFORM DISCRETE CURVELET TRANSFORM S 
Quantum Cosine Transform Based Watermarking Scheme for Quantum Images被引量:4
《Chinese Journal of Electronics》2015年第2期321-325,共5页WANG Shen SONG Xianhua NIU Xiamu 
supported by the National Natural Science Foundation of China(No.61301099,No.61100187,No.61361166006);Heilongjiang Province Educational Department Funds of China(No.12521107)
A novel watermarking scheme for quantum image is proposed based on Quantum cosine transform(QCT). The cosine coefficients are extracted by executing QCT on quantum image. A dynamic vector for controlling embedding str...
关键词:QUANTUM COMPUTATION QUANTUM image QUANTUM COSINE TRANSFORM QUANTUM WATERMARKING 
SAR Image Despeckling Using Scale Mixtures of Gaussians in the Nonsubsampled Contourlet Domain被引量:2
《Chinese Journal of Electronics》2015年第1期205-211,共7页CHANG Xia JIAO Licheng LIU Fang SHA Yuheng 
supported by the National Natural Science Foundation of China(No.61102008,No.61102095,No.61163017,No.61173090,No.61261043,No.61440044);the Open Research Fund Program of Key Laboratary of Intelligent Perception and Image Understanding of Ministry of Education of China(No.IPIU012011006,No.IPIU01201108);the Science Research Project of Beifang University of Nationalities(No.2100Y021);the Ningxia Science Foundation of China(No.NZ13097)
The edge and contour details in SAR images are important for subsequent processing tasks. The multiscale geometric analysis method — Nonsubsampled contourlet transform(NSCT) is able to capture the geometric informati...
关键词:Synthetic APERTURE radar(SAR) image despeckling Stationary wavelet TRANSFORM Nonsubsampled CONTOURLET TRANSFORM SCALE MIXTURES of GAUSSIANS model. 
Image Registration Using a Complete Polar Transform被引量:1
《Chinese Journal of Electronics》2014年第2期403-408,共6页ZHAO Wei HUANG Lidong WANG Jun SUN Zebin 
partly supported by National Natural Science Foundation of China-Royal Society of Edinburgh Joint Project:Next Generation Neurobiologically Inspired Autonomous Visual Surveillance Systems(No.61211130210)
Image registration is widely used in image processing. Researchers have introduced image registration techniques based on the log-polar transform for its rotation and scale invariant properties. It suffers from nonuni...
关键词:Image registration  Polar transform  Feature points match Scale invariant feature transform (SIFT). 
Linear Approximations of Pseudo-Hadamard Transform被引量:1
《Chinese Journal of Electronics》2012年第4期715-718,共4页WANG Bin WU Chunming CHANG Yaqing 
This work is supported by the National Natural Science Foundation of China (No.61103200, No.61070157), the National Basic Research Program of China (973 Program) (No.2012CB315903).
In FSE 2003, Johan Wallen proposed efficient log-time algorithms for computing linear approximations of addition modulo 2^n. They posed that his algorithms can be generalized to more complex functions such as Pseudo-H...
关键词:Linear approximations CORRELATION Pseudo-Hadamard Transform Linear cryptanalysis. 
A Novel MLT-based ETF-OFDM System for Anti-Jamming Communications
《Chinese Journal of Electronics》2011年第4期719-724,共6页SHANG Yong FENG Xiaotao 
Previous research has shown that the Expanded time-frequency OFDM (ETF-OFDM) system has good performance in anti-jamming communication. In this paper, a novel Lapped transform-based ETF- OFDM system is proposed with...
关键词:Expanded time and frequency (ETF) Orthogonal frequency division multiplexing (OFDM) Modulated lapped transform (MLT) Anti-jamming. 
Line Prediction and Transform for Intra Coding
《Chinese Journal of Electronics》2011年第3期516-520,共5页JIANG Jie GUO Baolong LAI Changcai MO Wei 
This work is supported by the National Natural Science Foundation of China (No.60802077, No.61003196).
A new intra coding method based on one dimensional line prediction with different transform is presented. The H.264/AVC design includes a multidirectional spatial prediction method to reduce spatial redundancy by usin...
关键词:Intra coding Line prediction Transform. 
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