理解有源滤波器的工作原理、性能特点。学习有源滤波器的设计方法。-Understand the working principle of active filter performance characteristics. Learning active filter design methods.

matlab源码-GAC 侧地活动轮廓模型代码 可以作为参考使用，在学习的过程中 --GAC side matlab source code can be active contour model as a reference, in the learning process

Active Contour Models and Level Set algorithm, as well as several articles of the GVF, the list for the article: [1] Snakes Active Contour Models.pdf [2] Multiscale Active Contours.pdf [3] Snakes, shapes, and gradient vector flow.pdf [4] Motion of l