One method was to generate phosphene closest to the target pointin regular arrays using weighted nearest neighbor search.
第一种方法基于加权近邻搜索，在不规则光幻视点阵列中找出距规则阵列中目标点最近点；
2
This paper presents the determination of the elevation anomaly of GPS pointin mountainous area, using the method of weighted average values. Also, it gives two methods to determine the weights.