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...

基于两视图重建的平面纹理校正和映射

DOI: 10.11834/jig.2005012278

Keywords: 两视图重建,透视变形,投影变换,共线性,相机校准矩阵,关键点,纹理映射

Full-Text   Cite this paper   Add to My Lib

Abstract:

在3维场景里漫游,纹理映射是展示场景真实感的主要手段。纹理通常由照片获得,但由于某些不可抗拒的原因,只能得到透视变形的纹理图像。讨论了如何纠正平面纹理的透视变形,及其相应的纹理映射,其过程是在两视图重建的基础上,对原平面进行投影变换,并用插值方法获得纹理,从而映射到模型上。在投影变换的过程中对已有算法进行了改进以达到较好的效果,并对实验结果进行了分析和讨论。该方法适用于构建虚拟的3维场景及去除由于透视变形而产生的图像模糊。

References

[1]  Longuet-Higgins H C.A computer algorithm for reconstructinga scene from two projections[J].Nature,1981,293:133 ~ 135.
[2]  Sun Xiaobing,Sun Jizhou.Simple zoom-lens digital camera calibration method based on EXIF[A].In:Proceedings of the Society of Photo-optical Instrumentation Engineers (SPIE)[C],San Jose,California,USA,2004:79 ~ 86.
[3]  Heikkil J,Silvn O.A four-step camera calibration procedure with implicit image correction[A].In:Proceedings of 1997 Conference on Computer Vision and Pattern Recognition[C].Puerto Rico,1997:1106.
[4]  Foley J D.Computer Graphics Principles and Practice Second Edition in C (2nd)[M].Translated by Tang ZeSheng et al.Beijing:China Machine Press,2004.[[美]Foley J D著.计算机图形学原理与实践--C语言描述(原书第2版)[M].唐泽圣等译,北京:机械工业出版社,2004.]
[5]  Yi Ma,Stefano Soatto,Jana Ko(s)ecká,et al.An Invitation to 3-D Vision From Images to Geometric Models[M].New York:Springer-Verlag,2004:117 ~ 123.
[6]  Hartley Richard.Multiple View Geometry in Computer Vision Second Edition[M].United Kingdom:Cambridge University Press,2003:25 ~ 63,239 ~ 241.
[7]  Matsuoka R.A study on calibration of digital camera[A].In:International Archives for Photogrammetry and Remote Sensing[C],Austria Graz,2002,34:B-176.
[8]  Clarke C,Fryer J G.The development of camera calibration methods and models[J].Photogrammetric Record,1998,16 (91):51 ~ 66.
[9]  Loy Gareth.Planar Rectification and Texture Mapping[EB/OL].http:// rsise.anu.edu.au/~ gareth/vision.htm,2002-04-29.
[10]  Ames Andrea L,Nadeau David R,Moreland John L.VRML 2.0Sourcebook[M].Translated by Zong Zhifang,et al.Beijing:Publishing House of Electronics Industry,1997:249 ~ 309.[[美]Ames Andrea L,Nadeau David R,Moreland John L 著.VRML2.0资源手册[M].宗志方等译,北京:电子工业出版社,1998:249~309.]
[11]  Sun Jiaguang.Computer Graphics[M].Beijing:Tsinghua University Press,1998.[孙家广.计算机图形学[M].北京:清华大学出版社,1998.]

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133