一种最小生成树的自动纹理映射方法Automatic texture mapping method based on minimum spanning tree
付正文,杨冲,黄先锋,张帆,金艳
摘要(Abstract)：
针对实拍像片的纹理映射是复杂模型三维重建的关键,由于缺乏稳定而实用的二维影像与三维模型自动配准方法的问题,该文提出了一种基于最小生成树的自动纹理映射方法,实现二维影像与三维模型之间的自动配准。该方法首先建立实拍纹理影像之间的相邻关系图;然后对相邻影像进行匹配得到它们的同名像点,通过计算同名像点的惯性矩来衡量相邻影像的相邻度并把惯性矩作为图边的权;再建立最小生成树;最后层序遍历生成树依次获得当前影像,根据当前影像与其父影像的同名像点及父影像与三维模型的配准关系推导当前影像与模型的配准关系,实现自动映射。实验证明,该方法能够在保证精度的同时提高纹理映射的效率。
关键词(KeyWords)： 惯性矩;自动配准;最小生成树;自动纹理映射
基金项目(Foundation): 文物数字化标准(210400001);; 文物“973”项目(219100189);; 湖北省支撑计划(220100037);; 武汉大学自主研发项目(410500140);; 浙江省公益技术应用研究计划项目(2015C33075)
作者(Author): 付正文,杨冲,黄先锋,张帆,金艳
DOI: 10.16251/j.cnki.1009-2307.2016.07.026
参考文献(References)：
- [1]HU C,WANG Y,YU W.Mapping digital image texture onto 3D model from LIDAR data[J].International Archives of Photogrammetry,Remote Sensing and Spatial Information Sciences,2008,37:611-614.
- [2]GALLO A,MUZZUPAPPA M,BRUNO F.3Dreconstruction of small sized objects from a sequence of multi-focused images[J].Journal of Cultural Heritage,2014,15(2):173-182.
- [3]ANDRADE B T,BELLON O R P,SILVA L,et al.Digital preservation of brazilian indigenous artworks:Generating high quality textures for 3D models[J].Journal of Cultural Heritage,2012,13(1):28-39.
- [4]ORTIN D,REMONDINO F.Occlusion-free image generation for realistic texture mapping[J].International Archives of the Photogrammetry,Remote Sensing and Spatial Information Sciences,2005,36(5/W17):7.
- [5]WEINHAUS F M,DEVARAJAN V.Texture mapping 3D models of real-world scenes[J].ACM Computing Surveys(CSUR),1997,29(4):325-365.
- [6]张帆.激光扫描数据三维建模中高保真度纹理重建研究[D].武汉:武汉大学,2008.
- [7]ZHANG F,HUANG X,FANG W,et al.Texture reconstruction of 3Dsculpture using non-rigid transformation[J].Journal of Cultural Heritage,2014.
- [8]李德仁,郑肇葆.解析摄影测量学[M].北京:测绘出版社,1992.
- [9]LOWE D G.Distinctive image features from scale-invariant keypoints[J].International Journal of Computer Vision,2004,60(2):91-110.
- [10]FISCHLER M A,BOLLES R C.Random sample consensus:aparadigm for model fitting with applications to image analysis and automated cartography[J].Communications of the ACM,1981,24(6):381-395.
- [11]HARTLEY R,ZISSERMAN A.Multiple view geometry in computer vision[M].Cambridge University Press,2003.
- [12]WU Changchang.SiftGPU:A GPU implementation of scale invariant feature transform(SIFT)[Z].2007.
- [13]PRIM R C.Shortest connection networks and some generalizations[J].Bell System Technical Journal,1957,36(6):1389-1401.
- [14]WOOD G A,MARSHALL R N.The accuracy of DLT extrapolation in three-dimensional film analysis[J].Journal of Biomechanics,1986,19(9):781-785.
- [15]CHALLIS J H,KERWIN D G.Accuracy assessment and control point configuration when using the DLT for photogrammetry[J].Journal of Biomechanics,1992,25(9):1053-1058.
- [16]孙训方,方孝淑,关来泰.材料力学Ⅰ[M].北京:高等教育出版社,2009.