Data hiding transmission method against compression for satellite image based on chaos and slant transform
Quan Fa Zhou · Jisuanji gongcheng yu sheji · 2013
A data hiding transmission method against compression for satellite remote sen-sing image based on chaos sequence and slant transform is proposed for secret satellite remote sensing image transmission on board.High-resolution satellite remote sen-sing image blocks is selected by utilizing chaos sequence,and slant transform frequency coefficients of secret image is embedded in slant transform domain of relevant sub-blocks of the host image by modifying the slant transform middle and high frequency coefficients.Finally,stego-image is obtained by utilizing inverse slant transform with selected image blocks.The stego-image has gone through lossy compression on board is transmitted to earth station by satellite data transmission system,and the hidden data are extracted correctly at terrestrial station.Our experimental results show that the proposed scheme can achieve high performances in visual quality of stego-images,data embedding capacity,and stand against JPEG2000 lossy compression effectively.It is expected that the proposed scheme having these properties is deployed for satellite data transmission.