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http://dx.doi.org/10.1016/j.jcde.2016.02.002

Depth edge detection by image-based smoothing and morphological operations  

Abid Hasan, Syed Mohammad (School of Mechatronics, Gwangju Institute of Science and Technology)
Ko, Kwanghee (School of Mechatronics, Gwangju Institute of Science and Technology)
Publication Information
Journal of Computational Design and Engineering / v.3, no.3, 2016 , pp. 191-197 More about this Journal
Abstract
Since 3D measurement technologies have been widely used in manufacturing industries edge detection in a depth image plays an important role in computer vision applications. In this paper, we have proposed an edge detection process in a depth image based on the image based smoothing and morphological operations. In this method we have used the principle of Median filtering, which has a renowned feature for edge preservation properties. The edge detection was done based on Canny Edge detection principle and was improvised with morphological operations, which are represented as combinations of erosion and dilation. Later, we compared our results with some existing methods and exhibited that this method produced better results. However, this method works in multiframe applications with effective framerates. Thus this technique will aid to detect edges robustly from depth images and contribute to promote applications in depth images such as object detection, object segmentation, etc.
Keywords
Edge; Depth Image; Smoothing; Morphology;
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