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ICPR
2000
IEEE
14 years 11 months ago
EPI Analysis of Omni-Camera Image
This paper describes an efficient method to obtain 3D information from omni images using EPI analysis. Two types of omni cameras are employed to make a spatio-temporal volume, whi...
Hiroshi Kawasaki, Katsushi Ikeuchi, Masao Sakauchi
ICPR
2008
IEEE
14 years 4 months ago
Approximation of salient contours in cluttered scenes
This paper proposes a new approach to describe the salient contours in cluttered scenes. No need to do the preprocessing, such as edge detection, we directly use a set of random s...
Rui Huang, Nong Sang, Qiling Tang
CVPR
1999
IEEE
14 years 12 months ago
Non-Metric Calibration of Wide-Angle Lenses and Polycameras
Images taken with wide-angle cameras tend to have severe distortions which pull points towards the optical center: This paper proposes a method for recovering the disrortion param...
Rahul Swaminathan, Shree K. Nayar
CVPR
2003
IEEE
14 years 3 months ago
A Perspective on Distortions
A framework for analyzing distortions in non-single viewpoint imaging systems is presented. Such systems possess loci of viewpoints called caustics. In general, perspective (or un...
Rahul Swaminathan, Michael D. Grossberg, Shree K. ...
FSTTCS
2004
Springer
14 years 3 months ago
Short-Cuts on Star, Source and Planar Unfoldings
When studying a 3D polyhedron, it is often easier to cut it open and atten in on the plane. There are several ways to perform this unfolding. Standard unfoldings which have been u...
Vijay Chandru, Ramesh Hariharan, Narasimha M. Kris...