求运动视频中的运动区域时需要膨胀来获得连续区域，但是多次膨胀回改变原图形状，提出一种区域填充方法，将不连续点进行填充得到连续区域，使运动区域更精确-Motion seeking regional sports videos need to get a continuous expansion area, but expanded several times to change back to original shape, and presents a region filling method to fill the discontinuity region are continuous, so that more accurate motion region