The existing approaches to invariant two dimensional pattern recognition are useless when the pattern is blurred.
现存的基于不变特征的二维模式识别方法在目标被模糊了的情况下都无法精确识别。
Detecting dominant points is an important subject in pattern recognition and computer vision. Corner detection and polygonal approximation are two major approaches for dominant point detection.
景物的特征点抽取是模式识别及计算机视觉中的一个重要问题，已出现的多种检测特征点的方法中主要有角检测法和多边形逼近法。
Classified the curvilinear detection methods into six categories, and mainly introduced the pattern recognition techniques, model-based approaches and tracking-based approaches.
对目前存在的曲线结构检测方法进行分类，并重点介绍了模式识别技术、基于模型的方法和基于跟踪的方法。
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