一种基于分块 D C T的混沌半脆弱图像水印技术，半脆弱数字水印；混沌理论

Plupload是一个Web浏览器上的界面友好的文件上传模块，可显示上传进度、图像自动缩略和上传分块。可同时上传多个文件。-Plupload is a Web browser on the user-friendly file upload module to display the progress of the upload, automatic image thumbnail and upload chunked. Can upload multiple files at the same

颜色直方图和颜色矩，采用两种分块策略提取图像的颜色特征，并进行相似度比较。使用sqlserver数据库，corel图像库。-Color histogram and color moments, uses two strategies to extract block color feature image and similarity comparison. Use sqlserver database, corel image library.

Plupload是一个Web浏览器上的界面友好的文件上传模块，可显示上传进度、图像自动缩略和上传分块。可同时上传多个文件。-Plupload is a Web browser interface friendly file upload module, can display the progress of the upload, automatic image thumbnail and upload block. Can upload multiple files at the same t