.设计对水印系统进行公正的比较和评价方法。在这方面己经有部分学者作了一些初步的研究，但缺乏普遍性和原理性，对水印系统的脆弱之处仍无法进行全面的测试与衡量。-. Watermark system designed just for comparison and evaluation. In this regard, some scholars have been some preliminary research, but the lack of universality and the prin

.设计对水印系统进行公正的比较和评价方法。在这方面己经有部分学者作了一些初步的研究，但缺乏普遍性和原理性，对水印系统的脆弱之处仍无法进行全面的测试与衡量。-. Watermark system designed just for comparison and evaluation. In this regard, some scholars have been some preliminary research, but the lack of universality and the prin

脆弱水印的编程实现是一种基于空间域的脆弱数字水印如何嵌入 脆弱水印的编程实现-Programming fragile watermarking is based on spatial domain fragile watermarking to embed the fragile watermark Programming