中文说明：测地线活动轮廓是经典的活动轮廓模型，对其学习是必要的，本人通过使用迎风水平集显示方案实现GAC的数值计算，组织了matlab代码。
English Description：
GEODESIC active contours is the classic active contour model, is essential to their learning, I Windward level sets show that the programmes implemented through the use of numerical calculation of GAC, organized the MATLAB code.