initial contour
Initial contour generation approach in level set methods for dental image segmentation
... segmentation. Initial Contour (IC) is the essential step in level set image segmentation methods due to start the efficient ...the contour to establish a region-based map ...
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The Application of an Active Contour Method for Extracting Human Face Contour
... initialized contour position of Snake curve can be got by expanding slightly this ...on initial contour are selected, and then by using Greedy algorithm[6], the point with minimum energy value along ...
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Medical Image Segmentation Based on Wavelet Analysis and Gradient Vector Flow
... ble contour and the final results using GVF external forces. The initial contour position is inside the desirable region in Figure 4(c), and outside or across the desirable region in Figure 5(c) with ...
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A 3D interactive multi-object segmentation tool using local robust statistics driven active contours
... the initial seeds indicate the estimated position of the target; Feature: the image information in a given neighborhood of the seeds should be employed to learn the necessary characteristics of the desired object ...
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Human Detection in Still Image
... Active Contour: Specified features can be detected and automatic object segmentation is done by using an active ...active contour made up of a set of control points which are connected by a straight ...
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Lip segmentation using automatic selected initial contours based on localized active contour model
... active contour model-based method using two initial contours in a combined color ...the initial contour of a closed mouth, because it has a similar shape to a closed ...the initial ...
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Energy minimization with one dot fuzzy initialization for marine oil spill segmentation
... the initial region is that it is itself consistent and is not susceptible to the location of the initial dot within the oil spill ...located initial dots derive identical initial regions in ...
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Active Contour without Edges vs GVF Active Contour for Accurate Pupil Segmentation
... active contour is suitable to accurately locate the iris ...active contour without edges applied in gray level ...an initial contour generator for the ...active contour without edges ...
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Title : REAL TIME AUTOMATIC FEMORAL ARTERY SEGMENTATION, RECONSTRUCTION AND REGISTRATION FOR ULTRASOUND – GUIDED REGIONAL ANAESTHESIAAuthor (s) : A. Sree Ranjani , M.S. Muhammadu Sathik raja
... active contour model, the initial contour must be chosen for the following evolution, limiting the supply of this type of segmentation to a large ...the initial contour, in this, we ...
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Novel Image Segmentation Algorithm Based on Automatic GVF Snake Model
... It is not only proved that the fitting outsourcing polygon as the initial contour curve can converge to the real target image edge by the algorithm in theory, but the experimental result[r] ...
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A Comprehensive Active Contour Model
... There are two main difficulties we face during the parametric active contour algorithm. First, the active contours have difficulties progressing into boundary concavities[6][7]. The second problem is that the ...
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Template Matching for Profile Measurement Based on Levenberg Marquardt Algorithm
... the initial contour transformation matrix, which can reduce the error between the measurement contour and the template contour, achieving more accurate ...
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Contour Extraction of Skin Tumors Using Visual Attention and GVF Snake Model
... an initial contour, deriving from the extracted ROIs, towards real boundary of skin tumors by minimizing an energy ...other contour-deforming methods: 1) ini- tial contours generated from saliency ...
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Medical Image Segmentation by Active Contour Improvement
... In this paper, we have proposed a new improved active contour model with a Region Of interest (ROI) extraction. ROI is extracted by calculating the average of colons and lines to define a mask used as the ...
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Dual channel active contour model for megakaryocytic cell segmentation in bone marrow trephine histology images
... active contour (DCAC) model that em- ploys the previously delineated nuclear boundary as the initial contour, as well as intensity features of the constituent stain channel ...
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Union Resolution Performance of Frequency Modulation Parameter Based on RWT for LFM Signals
... of initial frequency and chirp rate are ...the contour property is ana- lyzed. Contour can be used to picture the union resolution performance of FM parameter, and 2-D resolution perform- ance is ...
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Selective Pattern Transfer of Nano-Scale Features Generated by FE-SPL in 10 nm Thick Resist Layers
... the contour line in Figure 7 a)-c). The initial thickness of theesist is about 21 nm (obtainable from the contour “after lithography”), whilst after etching the depth has increased to approximately ...
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Joint contour nets
... In short, while some work has been done on multi- variate topological analysis, what is lacking is a simple, efficient algorithm that computes usable structures. We report such an algorithm for the Joint Contour ...
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Planar contour tracking in the presence of pose and model errors by Kalman filtering techniques
... the contour geometry, i.e., computation of the contour curvature; ii) contour profile tracking (following) - the orientation angle θ k has to be estima- ted at each time instant k , and also the ...
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Contour plans by computer
... Clark (ref. 1) divides methods of contouring into two classes - direct and indirect.. These points are then surveyed and plotted and the appropriate contours are d[r] ...
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