Steganography based on quotient value differencing and pixel value correlation

作     者：Reshma Sonar Gandharba Swain 

作者机构：Department of Computer Science and EngjneetttigKoneru Lakshtnaiah Education FoundationGunturAndhra PradeshIndia 

出 版 物：《CAAI Transactions on Intelligence Technology》 (智能技术学报（英文）)

年 卷 期：2021年第6卷第4期

页      面：504-519页

核心收录：

学科分类：0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 

主　　题：technique. PDH value 

摘      要：Pixel value differencing(PVD)steganography techniques produce imperceptible *** PVD-based techniques have a fkll-off boundary problem(FOBP).To avoid FOB£a steganographic scheme is presented that combines the quotient value difference(QVD)with pixel value correlation(PVC).It performs data embedding in two stages on 3 x 3 size pixel *** first stage of the embedding procedure performs QVD and remainder substitution on five *** five pixels are central pixel and it*s neighbours on the left,right,upper,and lower *** on the new values of these five pixels,the PVC embedding procedure is applied on the remaining four corner pixels of the *** experimental results are found to be *** hiding capacity is high that is 3.92 bits per byte with an acceptable peak signal-to-noise ratio value.A security check was performed using two tests:(i)a regular-singular(RS)test,(ii)a pixel difference histogram(PDH)*** experimental outcomes demonstrate that PDH curves of the stego-images do not have a zigzag shape,that means the PDH test could not detect this steganography ***,the RS curves show that the RS test could not detect this steganography technique.