Hi Yashodhan, Take a look at this link http://old.uvr.gist.ac.kr/wlee/web/techReports/ar/Camera%20Models.html . It explains the relationship between the real and virtual camera parameters.
Besides that, you may want to look at osgART. Mourad On Fri, Feb 26, 2010 at 1:02 PM, Yashodhan Nevatia < [email protected]> wrote: > Hi everyone, > > I am pretty new to OSG, and have been trying to create an application that > uses OSG for Augmented Reality. I am using OSG 2.8.1. > > In order for the augmented reality to be rendered properly, I need to set > up the OSG camera with parameters for the human eye (the application uses an > optical see through screen to display the augmented information, the > background/reality is observed through the display). > > I am setting the position and orientation as the view matrix, this seems to > work fine. > > What I am having some trouble with is setting up the projection matrix. As > far as I know, this is where I have to include the internal parameters of > the camera being modeled. > > For a simple set up this includes the focal distances (along the axes of > the image plane) and the center of the image plane, and is described by the > matrix: > > fx 0 cx > 0 fy cy > 0 0 1 > > > If anyone could help me out here, it would be greatly appreciated. > > Thank you, > > Yashodhan > > > -- > Yashodhan Nevatia > Systems Engineer > > Space Applications Services > Leuvensesteenweg 325 > B-1932 Zaventem > Belgium > Tel: +32 (0)2-721.54.84 > Fax: +32 (0)2-721.54.44 > URL: www.spaceapplications.com > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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