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Displaying 1-5 out of 5 total
Multi-view 3D Reconstruction from Uncalibrated Radially-Symmetric Cameras
Found in: 2013 IEEE International Conference on Computer Vision (ICCV)
By Jae-Hak Kim,Yuchao Dai,Hongdong Li,Xin Du,Jonghyuk Kim
Issue Date:December 2013
pp. 1896-1903
We present a new multi-view 3D Euclidean reconstruction method for arbitrary uncalibrated radially-symmetric cameras, which needs no calibration or any camera model parameters other than radial symmetry. It is built on the radial 1D camera model [25], a un...
Projective Multiview Structure and Motion from Element-Wise Factorization
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Yuchao Dai, Hongdong Li, Mingyi He
Issue Date:September 2013
pp. 2238-2251
The Sturm-Triggs type iteration is a classic approach for solving the projective structure-from-motion (SfM) factorization problem, which iteratively solves the projective depths, scene structure, and camera motions in an alternated fashion. Like many othe...
A simple prior-free method for non-rigid structure-from-motion factorization
Found in: 2012 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
By Yuchao Dai, Hongdong Li, Mingyi He
Issue Date:June 2012
pp. 2018-2025
This paper proposes a simple “prior-free” method for solving non-rigid structure-from-motion factorization problems. Other than using the basic low-rank condition, our method does not assume any extra prior knowledge about the nonrigid scene or about the c...
Smooth Approximation of L_infinity-Norm for Multi-view Geometry
Found in: Digital Image Computing: Techniques and Applications
By Yuchao Dai, Hongdong Li, Mingyi He, Chunhua Shen
Issue Date:December 2009
pp. 339-346
Recently the $L_\infty$-norm optimization has been introduced to multi-view geometry to achieve global optimality. It is solved through solving a sequence of SOCP (second order cone programming) feasibility problems which needs sophisticated solvers and ti...
Two Efficient Algorithms for Outlier Removal in Multi-view Geometry Using L-Infinity Norm
Found in: Image and Graphics, International Conference on
By Yuchao Dai, Mingyi He, Hongdong Li
Issue Date:September 2009
pp. 325-330
L-Infinity norm has been recently introduced to multi-view geometry computation to achieve globally optimal computation. It however suffers from a serious sensitivity to outliers. A few remedies have been proposed but with high computational complexity. Th...