假设给定图像1上的区域T(x)，希望在图像2上找到对应的区域。对应区域相对于原来的区域可能经过了平移、旋转等各种变换.常用于轮廓跟踪。-Assuming a given image 1 on the regional T (x), hope that in image 2 to find the corresponding region. Corresponds to the region vis-à-vis the original region may have been translati