对应于分组测试编码程序的解码程序。都是静态过程。即先进行扫描得到1和0的个数。-Corresponds to the decoding process of the coding process of grouping test. All are static process. Which is to be scanned to get the number of 1 and 0.

对EAN-13条形码进行灰度，二值化等处理，最后解码出对应的数字符号码。-EAN-13 bar codes on gray, binarization processing, the final number of decoding the corresponding character number.