Bosses, the younger brother in the maximum correlation coefficient of image matching have a question want to ask, in the image is known to a certain point the direction of the phase synchronization of the up and down or so apart four pixels phase relationship value, how to the next point along the direction of the maximum points related to the pixel values of the calculation, the main direction is the problem of how to program, four points sort to find the location of the maximum points out also, in the next step