Pattern recognizing method
专利汇可以提供Pattern recognizing method专利检索，专利查询，专利分析的服务。并且PURPOSE: To display a satisfactory recognition performance by giving the output probability to each frame of an input pattern by a pattern recognizing method using a hidden Markov model by the sum total of a prescribed function value and a prescribed symbol output probability value.
CONSTITUTION: When a voice to an arbitrary word in a recognition vocabulary is inputted to a voice input part 1, an extraction of a feature quantity is executed by a voice analyzing part 2, and it is converted to a time series X = (X
1 , X
2 , XT) of a feature vector of length T. Subsequently, by using the time series X in a calculating part 3, a weight coefficient is derived by a multi-dimensional normal distribution weight function from each code vector Vm stored in a storage part 7, and a variance-covariance matrix in a word (k) stored in a storage part 8, and from the sum of products of this coefficient and the symbol output probability to Vm, the symbol output probability to each input voice frame is derived. By using this probability, the generation probability of an input voice pattern is calculated from a hidden Markov model by a calculating part 4, and a word in which its probability is maximum is decided by a deciding part 5, and outputted as a result of recognition to an output part 6.
COPYRIGHT: (C)1990,JPO&Japio，下面是Pattern recognizing method专利的具体信息内容。
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