Robotics and Computer Vision Lab

Publications

Extra Form
저 자 Pierre Gurdijos, Jun-sik Kim, In So Kweon
학 회 Proceeding of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
논문일시(Year) 2006
논문일시(Month) 07
Plane-based calibration is now a very popular procedure because of its flexibility. One key step consists in detecting a set of coplanar features, from which the Euclidean structure of the corresponding 3D plane has to be computed. We suggest to use confocal conics as calibration targets, as they offer undeniable advantages over other ones (e.g., points or lines) in terms of detection and estimation, especially in the presence of partial occlusion. We introduce important projective and Euclidean properties of the linear family of conics (i.e., the confocal conic range), spanned by two confocal conics. In particular, we rely on the fact that the circular point-envelope – a rank-2 conic that encodes the 2D Euclidean structure – is a degenerate member of any confocal conic range. This allows us to give closed-form solutions in three cases: one conic with known foci, two confocal conics with known product of ratios of semi axes, and two unknown confocal conics. The performances of the proposed algorithms (consisting of a few lines of Matlab-like code) show up high accuracies for both intrinsic and extrinsic camera parameters. In addition to experiments with synthetic data, a video sequence is processed, showing off the interest of using confocal conics as calibration targets, for augmented reality purposes.

List of Articles
119. Calibration and 3-D structure recovery under varying cameras using known angles
Jongeun Ha, In So Kweon
IEEE International Conference on Intelligent Robots and Systems (IROS) 1999 / 10
118. 3-D object recognition using projective invariant relationship by single-view
Kyoungsig Roh, Bume-Jae You, In So Kweon
IEEE International Conference on Robotics and Automation (ICRA) 1998 / 05
117. Vehicle detection and recognition using adaptive filtering and projective invariant
Youngsu Moon, Youngjoon Park, In So Kweon
World Automation Congress(WAC) 1998 / 05
116. A robust method for 3-D structure recovery and moving object segmentation
Jongeun Ha, In So Kweon
4th Korea-Japan Joint Workshop on Computer Vision 1998 / 02
115. Single lens stereo with a biprism
Doohyun Lee, In So Kweon, Roberto Cipolla
IAPR International Workshop on Machine Vision and Applications (MVA) 1998 / 11
114. Fast Object recognition using salient line groups
Dongjoong Kang, In So Kweon
IEEE International Conference on Intelligent Robots and Systems (IROS) 1998 / 10
113. Image based visual servoing with a new self calibration method
Sungwoo Lee, Kyoungsig Roh, In So Kweon
Intelligent Autonomous System 1998 / 03
112. Obstacle detection and self-localization without camera calibration using projective invariants
Kyoungsig Roh, Wangheon Lee, In So Kweon
IEEE International Conference on Intelligent Robots and Systems (IROS) 1997 / 09
111. 3-D object recognition using a new invariant relationship by single-view
Kyoungsig Roh, In So Kweon
3rd Korea-Japan Joint Conference 1997 / 01
110. Vehicle segmentation using evidential reasoning
Joonwoong Lee, In So Kweon
IEEE International Conference on Intelligent Robots and Systems (IROS) 1997 / 09
109. Color linear model
Changyeong Kim, Yang-Seok Seo, In So Kweon
International Conference on Image Analysis and Processing 1997 / 09
108. A new method for extracting edges and corners
Suncheol Bae, In So Kweon
International Conference on Image Analysis and Processing 1997 / 09
107. Recognizing planar welding panels using affine line invariants by geometric hashing
Kyoungsig Roh, Jooseop Yun, In So Kweon
Australasia-Pacific Forum on Intelligent Processing and Manufacturing of Materials 1997 / 07
106. Recognition of welding panels in subassembly process of shipbuilding
Kyoungsig Roh, Munho Jeong, Jin-Oh Kim, In So Kweon
World Automation Congress(WAC) 1996 / 05
105. Finding and tracking road lanes using line-snakes
Dongjoong Kang, Jangwon Choi, In So Kweon
IEEE Intelligent Vehicles 1996 / 09
104. Robust region boundary tracking in noisy image sequences
Dongjoong Kang, In So Kweon
2nd Japan-Korea Joint Workshop on Computer Vision 1996 / 02
103. Active vision for intelligent vehicles
Dongjoong Kang, In So Kweon
International Workshop on Computer Vision Technology 1996 / 12
102. A visual tracking algorithm by integrating rigid model and snake
Dongjoong Kang, In So Kweon
IEEE International Conference on Intelligent Systems and Robots 1996 / 11
101. A Kalman filter based visual tracking algorithm for an object moving in 3-D
J. Lee, M. Kim, In So Kweon
IEEE International Conference on Intelligent Systems and Robots 1995 / 08
100. A self-localization algorithm for a mobile robot using perspective invariant
Kyoungsig Roh, S. Kim, Wangheon Lee, In So Kweon
International Workshop on Advanced Mechatronics 1995 / 12
Board Pagination Prev 1 ... 10 11 12 13 14 15 16 17 18 19 20 Next
/ 20