一个基于像素的字符分割。适合于数字，字母单笔画的分割。比一般的投影法要快。本例为行分割，稍加改动即可实现列分割。-A pixel-based character segmentation. Suitable for numbers, letters, single-stroke segmentation. Than the average projection method to be fast. In this case for the line segmentation, a little