Affects of illumination on 3D shape recovery | IEEE Conference Publication | IEEE Xplore

Affects of illumination on 3D shape recovery


Abstract:

In the area of machine vision, shadows occur frequently in a wide variety of scenes. An inherent weakness of focus-based methods is that they require the imaged scene to ...Show More

Abstract:

In the area of machine vision, shadows occur frequently in a wide variety of scenes. An inherent weakness of focus-based methods is that they require the imaged scene to have significant texture. In many real-world applications, surfaces can be smoothly shaded and lacking in detectable texture. In such cases, Shape-Form-Focus (SFF) generates inaccurate and sparse depth maps. For accurate calculation of depth map, we consider the affects of illumination. In SFF the images are taken with one light source and the shadows occur in each frame. Thus, the more bright regions of the images give more accurate depth map, whereas, the less bright regions give less accurate depth map. We have also shown the results and compared them with the previous results. From simulation results we see that the results improved with the proposed algorithm.
Date of Conference: 12-15 October 2008
Date Added to IEEE Xplore: 12 December 2008
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Conference Location: San Diego, CA, USA

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