An Algorithm of High Capacity Information Hiding Based on Pixel Pair Matching for SAR Raw Data
LIU Juanni
ZHOU Quan
Abstract：Aimed at SAR raw data,this paper proposes a high capacity information hiding algorithm based on pixel pair matching conducted according to the secret data.By using an extraction function,different combination of SAR real part and imaginary part are mapped into a secret digit in an n2??ary notation sys-tem,and the optimal combination is chosen for a data block with the smallest MSE.Thus,the distortion caused by information hiding can be ignored for SAR imaging.Compared with the other similar algo-rithms,the PSNR of the proposed method increases 0.7 dB on average under condition of the same capaci-ty,and high security is achieved with the help of various combinations.
Keywords：information embeddingsynthetic aperture radarpixel pair matchinghiding capacity
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 70-73 )