Incorporating constraints into the design of locally identifiable calibration patterns
Date
2003
Authors
Van Den Hengel, A.
Hill, R.
Brooks, M.
Editors
Torres, L.
Advisors
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Conference paper
Citation
Proceedingsof the 2003 International Conference on Image Processing, Volume 1, 14-17 Sept 2003:pp.817-820
Statement of Responsibility
van den Hengel, A.; Hill, R.; Brooks, M.J.
Conference Name
IEEE International Conference on Image Processing (2003 : Barcelona, Spain)
Abstract
Camera calibration requires the identification of points in an image that correspond to known locations in the scene. These are typically determined through the use of a calibration pattern designed to facilitate feature localisation. We present in this paper a novel method of generating patterns such that each subregion is individually identifiable by its cross ratio. The method aims to minimise the probability of misidentifying a subregion. A key advantage of the method is the ability to place constraints on the size of the elements constituting the pattern. This allows a calibration object to be used in a wider variety of viewing conditions, increasing the flexibility of the calibration process.
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Copyright © 2003 IEEE