Channel coding for joint colour and depth segmentation

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Annual Symposium of the German Association for Pattern Recognition (DAGM)





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Segmentation is an important preprocessing step in many applications. Compared to colour segmentation, fusion of colour and depth greatly improves the segmentation result. Such a fusion is easy to do by stacking measurements in different value dimensions, but there are better ways. In this paper we perform fusion using the channel representation, and demonstrate how a state-of-the-art segmentation algorithm can be modified to use channel values as inputs. We evaluate segmentation results on data collected using the Microsoft Kinect peripheral for Xbox 360, using the superparamagnetic clustering algorithm. Our experiments show that depth gradients are more useful than depth values for segmentation, and that channel coding both colour and depth gradients makes tuned parameter settings generalise better to novel images.


pattern recognition.

Scientific reference

M. Wallenberg, M. Felsberg, P. Forssen and B. Dellen. Channel coding for joint colour and depth segmentation, 33rd Annual Symposium of the German Association for Pattern Recognition, 2011, Frankfurt, Germany, in Pattern Recognition, Vol 6835 of Lecture Notes in Computer Science, pp. 306-315, 2011, Springer.