该系统利用CCD摄像头获取水表图像，采用图像识别技术读取水表读数。
In this system, the images of water meters are derived with CCD and the data can be read through the image recognition technology.
一星期后，再看一下水表，然后从第二次读数中减去第一次读数。
A week later, read the water meter again and subtract the first reading from the second.
该方法主要包括水表图像预处理、图像分割以及指针读数识别。
That method includes the water meter image pretreatment mainly, the image breaks up and guiding principle numerical reading distinguishes.
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