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Browsing by Subject "Lens distortion"

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Effects of lens distortion calibration patterns on the accuracy of monocular 3D measurements

Author: De Villiers, J ; Wilson, F ; Nicolls, F Date: Nov 2011 A variety of lens distortion modelling techniques exist. Since they make use of different calibration metrics it is difficult to select one over the others. This work aims to compare lens distortion modelling techniques and calibration patterns ... Read more
Improved neural network modeling of inverse lens distortion

Author: De Villiers, JP ; Cronje, J ; Nicolls, FC Date: Apr 2011 Inverse lens distortion modelling allows one to find the pixel in a distorted image which corresponds to a known point in object space, such as may be produced by a RADAR. This paper extends recent work using neural networks as a compromise ... Read more
Modeling of radial asymmetry in lens distortion facilitated by modern optimization techniques

Author: De Villiers, Johan P ; Leuschner, FW ; Geldenhuys, R Date: 18 Jan 2010 Most current lens distortion models use only a few terms of Brown's model, which assumes that the radial distortion is dependant only on the distance from the distortion centre, and an additive tangential distortion can be used to correct ... Read more

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Browsing by Subject "Lens distortion"

Browsing by Subject "Lens distortion"

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