计算机科学 ›› 2016, Vol. 43 ›› Issue (5): 279-282.doi: 10.11896/j.issn.1002-137X.2016.05.053
瞿中,林嗣鹏,鞠芳蓉
QU Zhong, LIN Si-peng and JU Fang-rong
摘要： 通过提取SIFT特征进行图像拼接得到的全景图存在一定程度的扭曲误差,尤其当序列图像集合很大时,全景图扭曲现象更为严重。为提高全景图拼接质量,对Song Fuhua等人提出的图像拼接算法进行改进,首先改变参考图像的选取方式,提出图像序列中任意图像映射到与参考图像相同坐标系下的变换模型计算方法,并且在拼接过程中根据匹配特征点数目动态选取下次待拼接图像。与Song Fuhua等人提出的拼接算法相比,改进的图像拼接算法增加了图像重叠区域中SIFT特征点匹配对数,减小了参考图像SIFT特征检测区域。实验表明,提出的改进拼接算法提高了全景图拼接的时间效率,同时全景图扭曲现象也得到极大改善。
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