给定一副图像和一段文字，设计某种图象处理方法将这段文字隐藏到图像中-given a paragraph of text and image, image processing design some way to the wording of the hidden image

一种基于DCT变换的数字图象处理算法 (数字水印)的提取算法!-DCT transform based on digital image processing algorithms (digital watermark) extraction algorithm!

一种利用ARNOLD变换和DCT变换的图象处理方法,附带图象可以马上实验!-A ARNOLD transform DCT transform and image processing method, the image can be immediately attached to the experiment!