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» Straight Lines and Circles in the Log-Polar Image
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BMVC
2000
13 years 5 months ago
Straight Lines and Circles in the Log-Polar Image
Foveal or spatially-variant image representations are important components of active vision systems. Log-polar sampling is a particularly powerful example as a result of the simpl...
David S. Young
ACCV
2006
Springer
13 years 10 months ago
Fisheye Lenses Calibration Using Straight-Line Spherical Perspective Projection Constraint
Fisheye lenses are often used to enlarge the field of view (FOV) of a conventional camera. But the images taken with fisheye lenses have severe distortions. This paper proposes a...
Xianghua Ying, Zhanyi Hu, Hongbin Zha
ICASSP
2007
IEEE
13 years 8 months ago
Array Processing Approach for Object Segmentation in Images
Thanks to a specific formalism for signal generation, it is possible to transpose an image processing problem to an array processing problem. For straight line characterization, t...
Julien Marot, Salah Bourennane, Mouloud Adel
ICPR
2002
IEEE
13 years 9 months ago
Graphics Recognition from Binary Images: One Step or Two Steps
Recognizing graphic objects from binary images is an important task in many real-life applications. Generally, there are two ways to do the graphics recognition: onestep methods a...
Jiqiang Song, Min Cai, Michael R. Lyu, Shijie Cai
MVA
1990
123views Computer Vision» more  MVA 1990»
13 years 5 months ago
Randomized Hough Transform (RHT) in Engineering Drawing Vectorization System
Abstract When the data is processed from the digitized drawThis paper presents how the recently presented Randomized IIough Transform (RHT) method can be used as a part of an engin...
Pekka Kultanen, Erkki Oja, Lei Xu