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Integrating vision modules: stereo, shading, grouping, and line labeling

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2 Author(s)
Pankanti, S. ; Dept. of Comput. Sci., Michigan State Univ., East Lansing, MI, USA ; Jain, A.K.

It is generally agreed that individual visual cues are fallible and often ambiguous. This has generated a lot of interest in design of integrated vision systems which are expected to give a reliable performance in practical situations. The design of such systems is challenging since each vision module works under a different and possibly conflicting set of assumptions. We have proposed and implemented a multiresolution system which integrates perceptual organization (grouping), segmentation, stereo, shape from shading, and line labeling modules. We demonstrate the efficacy of our approach using images of several different realistic scenes. The output of the integrated system is shown to be insensitive to the constraints imposed by the individual modules. The numerical accuracy of the recovered depth is assessed in case of synthetically generated data. Finally, we have qualitatively evaluated our approach by reconstructing geons from the depth data obtained from the integrated system. These results indicate that integrated vision systems are likely to produce better reconstruction of the input scene than the individual modules

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:17 ,  Issue: 9 )