Journal of Guangxi Normal University(Natural Science Edition) ›› 2013, Vol. 31 ›› Issue (4): 48-53.

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An Information Hiding Method Based on JPEG Images

LEI Yun1,2, WANG Xian-hui3, WANG Xiao-yun4, SUN Ze-rui2,3, YU Chun-qiang2,3, ZHANG Xian-quan2,3   

  1. 1.School of Pre-university,Guangxi University for Nationalities,Nanning Guangxi 530006,China;
    2.Guangxi Experiment Center of Information Science,Guilin University of Electronic Technology,Guilin Guangxi 541004,China;
    3.College of Computer Science and Information Technology,Guangxi Normal University,Guilin Guangxi 541004,China;
    4.College of Mathematics and Computer Science,Yangtze Normal University,Chongqing 408100,China
  • Received:2013-03-04 Online:2013-12-20 Published:2018-11-26

Abstract: This paper proposes a steganography scheme based on JPEG images.According to a given threshold,the low frequency coefficients are chosen to hide data.Then these low frequency coefficients are divided into groups to get the carrier.Two bits of secret message are taken as a group from the secret information,and converted into a decimal number.This number will be used to determine the hiding position of the coefficients group.According to the hiding scheme,the secret message is preprocessed to get the hidden data,and the low frequency coefficients of the hiding position is modified by model 3 to hide the secret data.Experimental results indicate that the proposed scheme achieves better image quality of stego-images.

Key words: data hiding, JPEG image, DCT coefficients, dividing into groups

CLC Number: 

  • TN919.81
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[1] ZHANG Xian-quan, WANG Xian-hui, WANG Xiao-yun, YUChun-qiang. Information Hiding Algorithm for JPEG Images Based on Block [J]. Journal of Guangxi Normal University(Natural Science Edition), 2012, 30(3): 119-124.
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