Supposing models have been proposed before designing regionextraction algorithm.
在设计区域提取算法时，均提出了假设模型。
2
A fast recognition algorithm is presented for interesting regionextraction of an object based on corner features.
本文给出了一种基于角特征的目标兴趣区的识别算法。
3
Because of the accuracy of the plate regionextraction, the character can be extracted exactly from the plate region. It can improve the accuracy rate of the characters recognition.