关键词: 支持向量机, 检测, 原料乳, 细菌总数, 品质

Abstract: Firstly，microscope glass slide in obtaining raw milk smear is designed based on sampling technology by ourselves，and then the classificiation detection system of total bacteria in raw milk based on SVM classification technology is established.The “one-against-one” approach and voting strategy are used to solve multi-class classification problems，reasonable kernel function and model parameters are obtained by a series of experiments，and the model is test by a testing set.Using this new method，the classificiation detection system of total bacteria in raw milk based on SVM classification technology comes up to accuracy of 96.42%.On the basis of practice，our experimental conclusion shows that not only detection system’s agreement is very good，this method is easy to operate，it can give the result within twelve minutes，This method is faster than the plate counting（48 h）.But also it is economic，thus the method can greatly accelerate the judgment of the raw milk quality．It can meet completely the requirement of modernization dairy industry.

Key words: support vector machine, detection, raw milk, total bacteria, quality