The experiment show that this algorithm divides the image into a lot of unit grids，rectifies grid one by one，guarantees the rectificative precision，improves the rectificative efficiency.

试验，算法将图幅面划分为许多单元格，逐个单元格进行纠正，保证了纠正的精度，对于大批图幅能提高其纠正的效率。