| 摘要 |
An object detection system includes at least one sound receiving element, a processing unit, a storage element and a sound database. The sound receiving element receives sound waves emitted from an object. The sound receiving element transforms the sound waves into a signal. The processing unit receives the signal from the sound receiving unit. The sound database is stored in the storage element. The sound database includes a plurality of sound types and a plurality of attributes associated with each sound type. Each attribute has a predefined value. Each sound type is associated with each attribute in accordance with Bayesian's rule, such that a conditional probability of each sound type is defined for an occurrence of each attribute.
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