Level set algorithm is an edge detection method, based on visual characteristic of human being.

水平截集算法是一种基于人类视觉特性的边缘检测方法。

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Aim at the problem of detecting for long distance targets with visual and thermal infrared image sequences, a method of targets detection based on multisensor decision level fusion was developed.

本文针对可见光和红外热图像序列中远距离目标检测，提出了一种基于决策级融合的目标检测方法。

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This thesis mainly focuses the research on the following three aspects: edge detection, straight line detection and video text detection, which are belong to the low-level visual feature detection.

本论文主要从边缘检测、直线检测和文本区域检测三个方面对低层视觉特征检测技术进行研究。

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