条形码识别，对图像进行二值化处理，计算水平和垂直方向上的直方图，定位条形码区域，最后对条形码进行识别。-The barcode recognition, the image binarization processing, calculating the histogram of the horizontal and vertical directions, positioning the barcode area, and finally the barcode identification.

用于各种图像处理，最核心的是可以进行条形码的识别，并输出识别结果-For various image processing, the core is a bar code can be identified, and outputs the recognition result