| 1. | Utilizing the low - pass filter combined with the gfo , the orientation diagram could be calculated accurately . 3 . summarize the common sub - pixel algorithm and inject the robust estimation algorithm into sub - pixel locating 3 .对常用的亚像素定位算法进行了分析,为了克服偏离点对亚像素定位精度的影响,在拟合算法中引入了稳健估计。 |