Active contour-based tracking has been widely used for tracking contours of objects with moving cameras.
基于主动轮廓的跟踪方法被广泛应用于移动摄像机下运动物体轮廓的跟踪。
2
Though she spent much of the time with her nose in one-inch Ordnance Survey maps, tracking the contour lines, she found them a “coarse instrument” for her purpose.