图像分割是图像处理与计算机视觉领域低层次视觉中最为基础和重要的领域之一，它是对图像进行视觉分析和模式识别的基本前提．阈值法是一种传统的图像分割方法，因其实现简单、计算量小、性能较稳定而成为图像分割中最基本和应用最广泛的分割技术．-image segmentation is image processing and computer vision field of low-level visual basic and the most important one of the fields, It is the visual image analysis and pattern recognition to the basic premise. Threshold method is a traditional image segmentation method, because simple and small calculation, Performance has become more stable image segmentation and the most basic and most widely used segmentation technology.