matlab DCT水印加入和提取

[{"title":"（ 6 个子文件 2KB ） matlab DCT水印加入和提取","children":[{"title":"实验六","children":[{"title":"bit2str.m <span style='color:#111;'> 359B </span>","children":null,"spread":false},{"title":"str2bit.m <span style='color:#111;'> 186B </span>","children":null,"spread":false},{"title":"hidden.txt <span style='color:#111;'> 10B </span>","children":null,"spread":false},{"title":"dcthiding.m <span style='color:#111;'> 1.35KB </span>","children":null,"spread":false},{"title":"message.txt <span style='color:#111;'> 10B </span>","children":null,"spread":false},{"title":"dctextract.m <span style='color:#111;'> 455B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]