光学精密工程2017，Vol.25Issue(6)：1645-1651,7.DOI:10.3788/OPE.20172506.1645
结合投影误差校正的快速SIFT图像拼接
Corrected fast SIFT image stitching method by combining projection error
摘要
Abstract
Aiming at the problems of limited instantaneity in current image stitching methods,a fast image stitching method through combining feature points detection on part of image with correction of projection error in the overlapping area in the process of image stitching was proposed.Firstly,the scope of the feature detection for the method only focused on part of image blocks in the overlapping area of the image which were needed to be stitched for obtaining information of feature points for Scale Invariant Feature Transform(SIFT).Secondly,after the feature matching,the correction method was used for projection error to make full use of limited matching points to figure out high-precision projection transformation matrix,in order to avoid unnecessary feature detections and matching searching for greatly accelerating the speed to stitch images.Finally,combining with quality evaluation method for image stitching,quality analysis was made on image stitching result for reflecting the performance of the improved method.The result of the experiment shows:compared with the fast image stitching method mentioned in references,on the premise of maintaining the stitching quality of the image,the method in the thesis significantly reduces the time for the stitching process.Among three experimental images,the average stitching speed is increased approximately by 54%,which shows the feasibility and effectiveness of the proposed method.关键词
图像拼接/尺度不变特征变换(SIFT)/投影误差校正/质量评价Key words
Image stitching/Scale Invariant Feature Transform(SIFT)/correction for projection error/quality evaluation分类
信息技术与安全科学引用本文复制引用
赵岩,陈月,王世刚..结合投影误差校正的快速SIFT图像拼接[J].光学精密工程,2017,25(6):1645-1651,7.基金项目
国家自然科学基金资助项目(No.61271315) （No.61271315）
