看看这篇文章https://www.researchgate.net/publication/317420200_Performance_analysis_of_image_steganalysis_against_message_size_message_type_and_classification_methods
哈哈又是数模的朋友,你是想要信息量估计法吧不妨看看这篇matlab信息量估计法估计嵌入率LSBhttps://blog.csdn.net/weixin_39587238/article/details/115996954