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E. Marchand. Control camera and light source positions using image gradient information. In IEEE Int. Conf. on Robotics and Automation, ICRA'07, Pages 417-422, Roma, Italy, April 2007.

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In this paper, we propose an original approach to control camera position and/or lightning 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, either 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


Eric Marchand

BibTex Reference

   Author = {Marchand, E.},
   Title = {Control camera and light source positions using image gradient information},
   BookTitle = {IEEE Int. Conf. on Robotics and Automation, ICRA'07},
   Pages = {417--422},
   Address = {Roma, Italy},
   Month = {April},
   Year = {2007}

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