能够对任意图像进行打开和标注，并把标注的图像区域坐标用txt格式来保存-Able to open and annotations to any images, and put the label area of the image coordinates with TXT format to save

绘制同心圆，以及绘制三维球及轨道坐标，并标注卫星位置-Painted circle

静态背景中，移动物体的跟踪,并标注图象中的坐标。-Static context, the moving object tracking, and marked in the image coordinates.

给定三点坐标（二维），得到圆的圆心及坐标，并在matlab中坐图画出圆，并在图中标注原有圆的位置-Given three coordinates (2 d), get the round circle and coordinates, and sit in the matlab picture out of the circle, and mark the location of the original circle in the picture