Değerlendirme için gönderilen yayın

2018-01-01

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In this thesis, the image segmentation methods based on the MumfordShah variational approach have been studied. By obtaining an optimum point of the Mumford-Shah functional which is a piecewise smooth approximate image and a set of edge curves, an image can be decomposed into regions. This piecewise smooth approximate image is smooth inside of regions, but it is allowed to be discontinuous region wise. Unfortunately, because of the irregularity of the Mumford Shah functional, it cannot be directly used for ...
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Image segmentation based on variational techniques
Duramaz, Alper; Ünver, Baki Zafer; Department of Electrical and Electronics Engineering (2006)
Recently, solutions to the problem of image segmentation and denoising are developed based on the Mumford-Shah model. The model provides an energy functional, called the Mumford-Shah functional, which should be minimized. Since the minimization of the functional has some difficulties, approximate approaches are proposed. Two such methods are the gradient flows method and the Chan-Vese active contour method. The performance evolution in terms of speed shows that the gradient flows method converges to the bou...
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Recovery of the valuable particle embedded composite cutting tools was achieved by electrodissolution and deposition techniques. Diamond embedded composite wastes including both bronze matrix and cobalt-copper-tin matrix were used to recycle comprehensively and efficiently within the scope of this thesis. The parameters like current density, temperature and electrolyte composition were optimized to obtain both diamond and metal constituents as compact, dense powder with minimum specific surface area and ave...
Citation Formats
P. Karagöz, “Değerlendirme için gönderilen yayın,” 2018, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/84693.