Design And Research Of Information Hiding Algorithm Based On Multi-wavelet Transform And Color Space

With the explosive growth of network information,information security issues have emerged.Information hiding uses multimedia data as a carrier,using humans’ low sensitivity to carrier redundant information,and designing algorithms to hide information in the carrier to achieve the purpose of covert communication.Information hiding is an important branch of research in the field of information security and an important means to realize secret communication.This article is based on the research of information hiding,using digital image as the carrier of information hiding,mainly researching information hiding area rules,secret information preprocessing rules,and information embedding rules.By designing and researching information steganography algorithms based on energy weights,a method is proposed.An information hiding algorithm based on CL multiwavelet and lαβ color migration realizes highperformance secret information hiding and secret transmission.First,perform the first-order CL multiwavelet transform on the carrier image;secondly,according to the characteristics of the high and low energy distributions after the CL multiwavelet transform,perform lαβ color space conversion in the high-energy LL₂ and HH₂ regions to obtain the color matrix direction field;based on the approximation principle Change the color direction field structure to complete the embedding of secret information.Experimental results show that the invisibility of the proposed algorithm is increased by9.78 percent and 4.16 percent,respectively,compared with the contrast algorithm.The robustness against shear attack and rotation attack is improved by 18.26 percent and 8.71 percent respectively 19.90 percent and 12.93 percent.The steganalysis of 300 pictures was tested by using the histogram feature analysis detection method,and the maximum detection rate was less than 5.36 percent.The invisibility and robustness of the algorithm are improved effectively,and the algorithm has good anti-analysis ability,which provides a high performance and universal method choice for secret information communication,and has positive significance for the cause of national security.