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A full photometric and geometric model for attached webcam/matte screen devices

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Academic year: 2021

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Fig. 3. Partial occlusion of the screen. (a) When there is no occluding object and when the tangent plane to the surface at x does not intersect the screen, then all pixels x s AS contribute to the total irradiance
Fig. 5. Experimental setup. Top: a screen (laptop HP EliteBook8570w) displaying a rectangular pattern (left) or a graylevel image (right) in front of a white planar sheet of paper
Fig. 6. Qualitative evaluation of light models for rectangular patterns Ω with varying sizes
Fig. 10. 2D-representation of the geometric model. A point x on the screen S is reflected by the mirror M i , i¼1,2, and projected on the pixel x i p of the real camera (blue line), as if the camera was directly observing the mirrored point x i
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