给图像添加任意文字水印，可传入参数是文字内容，输入图片路径，文字颜色，大小，保存图片路径。支持中文输出！VS下C++编程，使用openCV 2.3.1-To add any text watermark image, but to parameter is the text content, input image path, text color, size, save image path. Support Chinese output! Under the VS C++ programmi

对图像进行水印处理，避免了剽窃行为，效果显著，可以自己修改参数。测试通过。-Image watermark to avoid plagiarism, the effect is significant, and can modify the parameters. The test is passed.

Qt图像处理，实现一些图像处理基本功能，包括灰度图像转换，大律法二值化，添加水印等操作。后边会陆续增加功能。使用极度类似opencv- Qt image processing, to achieve some of the basic image processing functions, including grayscale image conversion, the law of the two values, add the watermark and other operat