Level Set Methods
Initial contour generation approach in level set methods for dental image segmentation
... The level set method was proposed by Osher and Sethian [15] for “front propagation, being applied to models of ocean waves and burning ...purposes. Level set methods have attracted more ...
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Medical image segmentation using GPU-accelerated variational level set methods
... Level Set methods have often been used to perform image segmentation, and the results were quite ...standard Level Set method and the Narrow Band version for image ...Variational ...
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Hindi Character Segmentation in Document Images using Level set Methods and Non linear Diffusion
... Level set method is a numerical method which can follow the evolution of interfaces or it is a computational technique for tracking the propagating interface over ...through level set method, ...
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ŠVOČ 2015 Bratislava. 3D point cloud surface reconstruction by using level set methods Rekonštrukcia plôch z mračien bodov pomocou level-set metód
... Now that we formulated our scheme for the easy replicability and simplicity of imple- mentation we will write the co-volume scheme in a "finite-difference notation". We will associate our 3D co-volume p with the ...
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Multi-resolution space carving using level set methods
... When determining if a voxel should be carved, typi- cal implementations rely upon a threshold parameter, and stop carving as soon as the reconstructed surface is “good enough”. Consequently, the algorithm typically stops ...
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Multi-resolution space carving using level set methods
... a level set approach [6] for sur- face ...zero level set of a volumetric function ψ(x, y, z, t) ...views. Level set the- ory provides an accurate and stable numerical scheme that ...
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Enhanced level set segmentation method for dental caries detection
... Level-set methods (Osher and Sethian, 1988) have been more interesting to researchers from different areas (Deng and Tsui, 2002; Nilsson and Heyden, 2003; Jeon et ...all level-sets represent a ...
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An improved level set method for vertebra CT image segmentation
... the level set to avoid leakage and local minimum at the places where most necessary, then segmented the completed individual vertebras from the complex neighboring ...Multiple level set ...
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Object Tracking Using a New Level Set Model
... This paper introduced a new tracking algorithm that is fast enough to track an object in real time. The used defi- nition of an object is any connected area in the captured frame which has a consistent feature. Although ...
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Level set driven smooth curve approximation from unorganized or noisy point set
... discretized level sets, scalar spline functions, radial basis functions or point set surfaces have been investigated ...and level set methods, because of their ability to manage ...
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The inequality level-set approach to handle contact: membrane case
... mortar methods [3, 4] have shown great ...common methods are the Lagrange multipliers method [5, 6], the penalty method [5, 6] and the augmented Lagrangian method [6, ...
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Character level Analysis of Semi Structured Documents for Set Expansion
... In this paper, we have described in detail an al- gorithm for constructing document-specific wrap- pers automatically for set expansion. In the exper- imental results, we have illustrated that character- based ...
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Human Face Image Segmentation using Level Set Methodology
... gray level histogram I(x,y), which has objects darker than its background, where the object and the background pixels have gray levels which can be classified into two dominant ...
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A study of numerical methods for the level set approach
... zero level set of those functions. Note that for both of those methods, what is minimized is an approximate function ϕ rather than a genuine ...
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A level set method for convective–diffusive particle deposition
... The present article presents a level-set approach for modeling convective-diffusive particle deposition processes. Deposition occurring at the depositing front is modeled as a first order reaction. The ...
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LLVA: A Low-level Virtual Instruction Set Architecture
... instruction set architecture (V-ISA) imple- mented via a processor-specific software translation layer can provide great flexibility to processor design- ...instruction set is typed, uses an infinite ...
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Reconstruction of fluorescence molecular tomography with a cosinoidal level set method
... were set to 0, while the initial values of level set function in the proposed and implicit shape method were set to ...single level set function was used and the fluorescent ...
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Object Segmentation Using Active Contours: A Level Set Approach
... Sometimes some small edges appear in images, because of noise or illumination changes. One group of methods try to use threshold to eliminate these edges. The original idea is from Kundu and Mitra [Kundu, 1987]. ...
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Image Segmentation Using Mrf Novel Level Set Method
... two methods in parallel fashion are used. The two methods which are used is AMG (Algebraic multi grid) and SFM (Sparse random ...novel level set method it considers that the neighboring pixels ...
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Fast Point-Cloud Wrapping through Level-Set Evolution
... Euclidean distance between each sample point and a linearly regressed plane that approximates the local tangent plane. The final surface is then obtained by interpolating this distance function with a marching cubes ...
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