基于符号压力函数的自适应水平集图像分割方法。 包含源代码和目标图片，可实现：初始轮廓线可置于待分割区域内部、外部或一半内部一半外部，无需人工设置。-Adaptive level set image segmentation method based on symbolic function of pressure. Contains the source code and object images can be achieved: initial contour can be divided into regional internal, external or internal half outside half, without manual settings.