1994
DOI: 10.1117/12.189130
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<title>Modeling and calibration of automated zoom lenses</title>

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Cited by 134 publications
(89 citation statements)
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“…These estimates are generally within a few pixels of the true locations. We describe two existing means of refining these initial solutions using edge information (Willson, 1994;Li and Lavest, 1996) and surface fitting (Lucchese and Mitra, 2002). We do not address the filtering of points that do not belong to the pattern (filtering details can be found in Mallon and Whelan (2007)), or the ordering of data for subsequent comparisons.…”
Section: Checkerboard Pattern Detectionmentioning
confidence: 99%
“…These estimates are generally within a few pixels of the true locations. We describe two existing means of refining these initial solutions using edge information (Willson, 1994;Li and Lavest, 1996) and surface fitting (Lucchese and Mitra, 2002). We do not address the filtering of points that do not belong to the pattern (filtering details can be found in Mallon and Whelan (2007)), or the ordering of data for subsequent comparisons.…”
Section: Checkerboard Pattern Detectionmentioning
confidence: 99%
“…We calibrate over the range of variable zoom and focus parameters. This is achieved by modelling the variation in the values of the camera parameters as bivariate polynomial functions of zoom and focus [6,7].…”
Section: Calibrationmentioning
confidence: 99%
“…De los existentes, el modelo de cámara seleccionado depende del proceso de formación de imagen, de manera que si, por ejemplo, la cámara tiene lentes de parámetros fijos, como la distancia focal, la situación es diferente de una de parámetros variables, ya que éstos se modifican en función de la exposición fotográfica (Willson, 1994). Por esta razón, en estos modelos se suele calibrar un escenario concreto, con unas condiciones determinadas.…”
Section: Modelos De Cámaraunclassified