全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

视频序列的全景图拼接技术

DOI: 10.11834/jig.200608194

Keywords: RANSAC,全景图拼接,运动物体检测

Full-Text   Cite this paper   Add to My Lib

Abstract:

提出了一种对视频序列进行全景图拼接的方法。主要讨论了有大面积的非刚性运动物体出现的序列,不过此方法也同样适用于无运动物体的纯背景序列。为计算各帧间的投影关系,用仿射模型来描述摄像机运动,并用特征点匹配的方法计算出模型中各参数的值。由于用相关法计算的匹配结果准确率比较低,所以用RANSAC(RandomSamplingConsensus)对匹配结果进行了筛选,可以准确求出摄像机运动参数。利用运动参数进行投影,然后用多帧相减并求交集,估计出每帧图像中运动物体存在的区域,最后计算得到了全景图。该方法的结果与前人得到的结果进行了比较,证明用此方法能获得质量较高的全景图。

References

[1]  SUN Xiao-yong,Dubois E.A novel algorithm to stitch multiple views in image mosaics[A].In:IEEE International Conference on Acoustics Speech,and Signal Processing[C],Montreal,Quebec,Canada,2004,3:481 ~ 484.
[2]  Shum H Y,Szeliski R.Construction of panoramic mosaics with global and local alignment[J].International Journal of Computer Vision,2000,36(2):101 ~ 130.
[3]  REALVIZ S A.Stitcher 3.5 Software and User\'s Manual,[OL/EB].http://www.realviz.com/,2002.
[4]  Bartoli A,Dalal N,Bose B,et al.From video sequences to motion panoramas[A].In:Proceedings of Motion and Video Computing[C],Orlando,Florida,2002:201 ~ 207.
[5]  Harris C G,Stephens M.A combined corner and edge detector[A].In:Proceedings of the 4th Alvey Vision Conference[C],Manchester,1988:147 ~ 151.
[6]  [OL/EB] http://www.inrialpes.fr/lear/people/Dalal/research/MotionPanorama.html#correspondingPublications,2002.
[7]  DENG Yu-chun,JIANG Yu-ming,ZHANG Jian-rong.Review of segmentation of moving object in image sequence[J].Application Research of Computers,2005,22(1):8~11.[邓玉春,姜昱明,张建荣.视频序列图像中运动对象分割综述[J].计算机应用研究,2005,22(1):8~11.]
[8]  LI Yong-min,XU Li-qun,Morrison G,et al.Robust panorama from MPEG video[A].In:IEEE International Conference on Multimedia and Expo[C],Baltimore,MD,USA,2003,1:81 ~84.
[9]  ArcSoft Panorama Maker.[OL/EB].http://www.arcsoft.com/en/products/panoramamaker,2001.
[10]  Irani M,Anandan P,Bergen J,et al.Efficient representations of video sequences and their applications[J].Signal Processing:Image Communication,1996,8(4):327 ~351.
[11]  Fischler M,Bolles R.Random sample consensus:A paradigm for model fitting with applications to image analysis and automated cartography[J].Communications of the ACM,1988,24 (6):381 ~ 395.
[12]  Goldenberg R,Kimmel R,Rivlin E,et al.Fast geodesic active contours[J].IEEE Transactions on Image Processing,2001,10(10):1467 ~ 1475.
[13]  LIN Kai-yan,WU Jun-hui,XU Li-hong.A survey on color image segmentation techniques[J].Journal of Image and Graphics,2005,10(1):1~10.[林开颜,吴军辉,徐立鸿.视频序列图像中运动对象分割综述[J].中国图象图形学报,2005,10(1):1~10.]

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133