完整利用openCV做联机手写大写英文字母识别的例子.利用了联机手写的笔画数目，笔画轨迹做为特征量进行识别。训练测试接近100％.实际识别也比较准。-Full use of online handwritten openCV do uppercase letters of the alphabet to identify examples. Use of the number of online handwritten strokes, stroke trajectory as identification features. Training test close to 100. The actual identification of more potential.