CAJ | 학술논문

为了提高SINS/GPS 组合导航中景象匹配辅助的精确性和可靠性，必须在景象匹配区的适配性因素不同时选择到合适的匹配算法。系统对SURF和SIFT2种匹配算法的适用条件进行研究，比较各适配性因素对匹配区选择以及匹配算法性能的影响。实验结果表明，2种算法都更容易在地物稳定的区域内找到稳定特征点，匹配成功率取决于基准图抗噪性和实时图旋转角度等适配性因素。
위료제고SINS/GPS 조합도항중경상필배보조적정학성화가고성，필수재경상필배구적괄배성인소불동시선택도합괄적필배산법。계통대SURF화SIFT2충필배산법적괄용조건진행연구，비교각괄배성인소대필배구선택이급필배산법성능적영향。실험결과표명，2충산법도경용역재지물은정적구역내조도은정특정점，필배성공솔취결우기준도항조성화실시도선전각도등괄배성인소。
To improve the accuracy and the reli-ability of SINS/GPS integrated navigation aided by scene matching,comparison studies were conducted to figure out the applicability of the two state of art matching algorithms SURF and SIFT and the influence of the suitability factors.The results of simulation experiments indicate that the image re-gion with high gradient is suitable to be as marc-hing region.