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检索条件"机构=School of Data and Computer Science and Guangdong Key Lab. of Information Security and Technology"
248 条 记 录,以下是111-120 订阅
排序:
Depthwise Separable Convolutional Neural Network for Image Forensics
Depthwise Separable Convolutional Neural Network for Image F...
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IEEE Visual Communications and Image Processing Conference
作者: Yifang Chen Feng Peng Xiangui Kang Z. Jane Wang Guangdong Key Lab of Information Security School of Data and Computer Science Sun Yat-sen University China ECE Dept. University of British Colombia Vancouver Canada
General-purpose forensics on small image patches appears to be feasible and important, but in fact poses a challenge due to insufficient statistics. Furthermore, there is a need to develop a forensic approach that can...
来源: 评论
Digital image splicing detection based on Markov features in QDCT and QWT domain
arXiv
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arXiv 2017年
作者: Wang, Ruxin Lu, Wei Xiang, Shijun Zhao, Xianfeng Wang, Jinwei School of Data and Computer Science Guangdong Key Laboratory of Information Security Technology Sun Yat-sen University Guangzhou510006 China College of Information Science and Technology Jinan University Guangzhou510632 China State Key Laboratory of Information Security Institute of Information Engineering Chinese Academy of Sciences Beijing100093 China School of Computer and Software Nanjing University of Information Science and Technology Nanjing China
Image splicing detection is of fundamental importance in digital forensics and therefore has attracted increasing attention recently. In this paper, a color image splicing detection approach is proposed based on Marko... 详细信息
来源: 评论
Image Processing Operations Identification via Convolutional Neural Network
arXiv
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arXiv 2017年
作者: Chen, Bolin Li, Haodong Luo, Weiqi School of Data and Computer Science Guangdong Key Laboratory of Information Security Technology Sun Yat-sen University Guangzhou510006 China College of Information Engineering Shenzhen University Shenzhen518052 China
—In recent years, image forensics has attracted more and more attention, and many forensic methods have been proposed for identifying image processing operations. Up to now, most existing methods are based on hand cr... 详细信息
来源: 评论
Universal stego post-processing for enhancing image steganography
arXiv
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arXiv 2019年
作者: Chen, Bolin Luo, Weiqi Zheng, Peijia Huang, Jiwu School of Data and Computer Science Guangdong Key Laboratory of Information Security Technology Sun Yat-sen University Guangzhou510006 China College of Information Engineering Shenzhen University Shenzhen518052 China
It is well known that the designing or improving embedding cost becomes a key issue for current steganographic methods. Unlike existing works, we propose a novel framework to enhance the steganography security via pos... 详细信息
来源: 评论
Block Markov superposition transmission with pulse position modulation over free-space optical links
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通信与信息网络学报(英文) 2018年 第4期2卷 142-150页
作者: Jinshun Zhu Shancheng Zhao Xiao Ma School of Electronics and Information Technology Sun Yat-sen University Guangzhou 510006 China College of Information Science and Technology Jinan University Guangzhou 510632 China School of Data and Computer Science Sun Yat-sen University Guangzhou 510006 China Guangdong Key Laboratory of Information Security Technology Sun Yat-sen University Guangzhou 510006 China
In FSO (Free-Space Optical) communications,performance of the communication systems is severely degraded by atmospheric *** (Pulse Position Modulation) is widely used in FSO communication systems owing to its high pow... 详细信息
来源: 评论
Block Markov superposition transmission with pulse position modulation over free-space optical links
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Journal of Communications and information Networks 2017年 第4期2卷 142-150页
作者: Jinshun Zhu Shancheng Zhao Xiao Ma School of Electronics and Information Technology Sun Yat-sen UniversityGuangzhou 510006China College of Information Science and Technology Jinan UniversityGuangzhou 510632China School of Data and Computer Science Sun Yat-sen UniversityGuangzhou 510006China Guangdong Key Laboratory of Information Security Technology Sun Yat-sen UniversityGuangzhou 510006China
In FSO(Free-Space Optical)communications,performance of the communication systems is severely degraded by atmospheric ***(Pulse Position Modulation)is widely used in FSO communication systems owing to its high power *... 详细信息
来源: 评论
Batch face alignment using a low-rank Gan
arXiv
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arXiv 2019年
作者: Huang, Jiabo Xie, Xiaohua Zheng, Wei-Shi School of Data and Computer Science Sun Yat-sen University China Guangdong Key Laboratory of Information Security Technology China Key Laboratory of Machine Intelligence and Advanced Computing Ministry of Education China
This paper studies the problem of aligning a set of face images of the same individual into a normalized image while removing the outliers like partial occlusion, extreme facial expression as well as significant illum... 详细信息
来源: 评论
Anti-forensics of camera identification and the triangle test by improved fingerprint-copy attack
arXiv
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arXiv 2017年
作者: Li, Haodong Luo, Weiqi Rao, Quanquan Huang, Jiwu School of Electronics and Information Technology Sun Yatsen University Guangzhou China School of Data and Computer Science Guangdong Key Laboratory of Information Security Technology Sun Yatsen University Guangzhou China College of Information Engineering Shenzhen University Shenzhen China
The fingerprint-copy attack aims to confuse camera identification based on sensor pattern noise. However, the triangle test shows that the forged images undergone fingerprint-copy attack would share a non-PRNU (Photo-... 详细信息
来源: 评论
Block Compressed Sensing-Based Joint Source-Channel Coding for Wireless Image Transmission
Block Compressed Sensing-Based Joint Source-Channel Coding f...
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International Conference on Wireless Communications and Signal Processing (WCSP)
作者: Leqi Zheng Tingting Zhu Xiao Ma School of Data and Computer Science Sun Yat-sen University Guangzhou China Guangdong Province Key Laboratory of Information Security Technology Sun Yat-sen University Guangzhou China
This paper presents a new joint source-channel coding (JSCC) scheme for wireless image transmission, which combines block compressed sensing (BCS) with systematic convolutional low density generator matrix (SC-LDGM) c... 详细信息
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Universal deep network for steganalysis of color image based on channel representation
arXiv
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arXiv 2021年
作者: Wei, Kangkang Luo, Weiqi Tan, Shunquan Huang, Jiwu The Guangdong Key Lab of Information Security Technology School of Computer Science and Engineering Sun Yat-Sen University Guangzhou510006 China The College of Computer Science and Software Engineering Shenzhen University Shenzhen518060 China The Guangdong Key Laboratory of Intelligent Information Processing Shenzhen Key Laboratory of Media Security National Engineering Laboratory for Big Data System Computing Technology Shenzhen University Shenzhen518060 China
Up to now, most existing steganalytic methods are designed for grayscale images, and they are not suitable for color images that are widely used in current social networks. In this paper, we design a universal color i... 详细信息
来源: 评论