To overcome the hardship of enacting the pre-probability distribution with high certainty factor, this paper proposes one novel way of applying Bayes analysis to classify pattern.

The main idea of which consists of three parts: the discriminating feature analysis of the images, the statistical modeling of face and non-face classes, and the Bayes classifier for face detection.

For implicit temporal expression recognition, witch is also called as Chinese situation analysis. The Bayes classification is used for Chinese verb classification.