求翻译：然后对定位出的车牌进行像素点的扫描找出车牌的上下界，再对车牌进行垂直积分投影，找出白色像素点变化的区域，实现对车牌字符的分割。是什么意思？

Pixel scan to identify upper and lower bounds of the license plate and then locate the license plate, the vertical integral projection of the plate to identify the region of white pixels change to achieve the segmentation of license plate characters.

And then the positioning of the license plate for the pixels of the license plates to identify the scanned up and down, and the license plates in a vertical projection points out, white pixels change to achieve the regional character of the split plates.

正在翻译，请等待...

And then on the positioning of pixel scan license plates identifying upper and lower bounds of the license plate, and then to vertical license plate integral projection, find the White points change region, realization of vehicle license plate character segmentation.

正在翻译，请等待...