想要一个简单的文字识别vc源代码，从黑白图像中识别出文字，就是背景是白色，文字是黑色。只需简单识别英文26个大小写字母就够了。 -want a simple character recognition vc source code, from black and white images to identify words, background is white, text is black. A simple identification English 26 case-insensitiv