Experimental results show that the subpixel localization precision of HFA can reach 0.25 pixel. It has greatly decreased computative cost under the comparisons with conicoid fitting algorithm and Gaussian fitting algorithm.

• 实验表明:与常用的高斯拟合或二次曲面拟合方法相比；双曲面拟合方法在定位精度上为0.；25个像素；而计算量大为减少