Control Camera and Light Source Positions using Image Gradient Information

Eric Marchand 1
1 Lagadic - Visual servoing in robotics, computer vision, and augmented reality
CRISAM - Inria Sophia Antipolis - Méditerranée , Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
Abstract : In this paper, we propose an original approach to control camera position and/or lighting conditions in an environment using image gradient information. Our goal is to ensure a good viewing condition and good illumination of an object to perform vision-based task (recognition, tracking, etc.). Within the visual servoing framework, we propose solutions to two different issues: maximizing the brightness of the scene and maximizing the contrast in the image. Solutions are proposed to consider either a static light and a moving camera, eitheror a moving light and a static/moving camera. The proposed method is independent of the structure, color and aspect of the objects. Experimental results on both synthetic and real images are finally presented.
Type de document :
Communication dans un congrès
IEEE Int. Conf. on Robotics and Automation, Apr 2007, Roma, Italia, Italy. 1, pp.417-422, 2007
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  • HAL Id : inria-00160949, version 1

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Eric Marchand. Control Camera and Light Source Positions using Image Gradient Information. IEEE Int. Conf. on Robotics and Automation, Apr 2007, Roma, Italia, Italy. 1, pp.417-422, 2007. 〈inria-00160949〉

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