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Alex Rivera
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Microsoft state that the field of view angles for the Kinect are 43 degrees vertical and 57 horizontal (stated here ) . Given these, can we calculate the intrinsic parameters i.e. focal point and centre of projection? I assume centre of projection can be given as (0,0,0)? Thanks EDIT: some more information on what I'm trying to do I have a dataset of images recorded with a Kinect, I am trying to convert pixel positions (x_screen,y_screen and z_world (in mm)) to real world coordinates. If I know the camera is placed at point (x',y',z') in the real world coordinate system, is it sufficient to find the real world coordinates by doing the following: x_world = (x_screen - c_x) * z_world / f_x y_world = (y_screen - c_y) * z_world / f_y where c_x = x' and c_y = y' and f_x, f_y is the focal length? And also how can I find the focal length given just knowledge of the field of view? Thanks
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