level-set approach
Automatic Bedrock and Ice Layer Boundaries Estimation in Radar Imagery Based on Level Set Approach
... automatic level-set approach (the left column) is as accurate as ground-truth (the right ...high level of fluctuations in the bedrock, still after 800 iterations it could not detect all parts ...
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A study of numerical methods for the level set approach
... a step, in the direction of the (negative) gradient, of length given by ϕ at the current point. The loop is terminated when | ϕ | is small enough. It is noted [LFO95] that this process does not always converge: if the ...
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The inequality level-set approach to handle contact: membrane case
... converged level-set is the one of Figure ...active set methods, we check if there is penetration and also that the reaction of the support is not attracting the mem- ...creating level-sets ...
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Automatic Ice Surface and Bottom Boundaries Estimation in Radar Imagery Based on Level Set Approach
... novel level set ap- proach to automatically identify the ice surface and bottom layers in a large dataset of radar ...this approach, using an initial curve, the image will be divided into two parts: ...
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Object Segmentation Using Active Contours: A Level Set Approach
... Various definitions exist for describing the similarity measure for instance using pixel’s intensity value or average intensity value. The Comparing stage could also be done in several ways, sometimes the seed is the ...
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A Bayesian level set method for geometric inverse problems
... the level set approach with the Bayesian approach to geometric inverse ...classical level set inversion; and secondly it leads to computationally expedient algorithms in which ...
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Level set Cox processes
... The approach we take here is designed to capture sharp discontinuities in the intensity surface that result from qualitative yet unavailable covariates or environmental conditions as the one seen in this ...this ...
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A New User Dependent Iris Recognition System Based on an Area Preserving Pointwise Level Set Segmentation Approach
... dependent approach in iris recognition ...pointwise level set approach with area preserving has been used for determining inner and outer iris boundaries, both exclusively performed in one ...
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Image Segmentation Using Level Set Method For Images With Intensity Inhomoginities
... Interface Approach to Active Contours .A different approach comes from initializing a small circle inside the region of interest, and allowing it to grow outwards until it reaches the desired ...The ...
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Automatic polar ice thickness estimation from SAR images
... novel level set approach to automatically identify the ice and bedrock layers in a large dataset of radar ...variational level set function in which the regularity of the level ...
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Camera-based photoplethysmography in an intraoperative setting
... For video recording, we used a mobile measuring system that was already applied successfully in another clinical study [11, 12]. The system consists of a medical PC (ACL OR-PC 19) and a sensing component which are both ...
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Object Tracking Using a New Level Set Model
... novel approach to tracking using the level set ...Our approach is based on that the implicitly represented curves can be moved by changing the sign of values of the level set ...
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A Hybrid Approach to Adaptive User Interface Generation
... is a set of regions, which can be navigated in a linear, sequential way. To access the last widget of the original window, each new “small” window has to be traversed. Contextual. Global techniques depend very ...
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A Level Set Filter for Speckle Reduction in SAR Images
... alternative approach is proposed in this paper, it mainly relies on the theory of curvature anisotropic flow, that is, level set ...error approach to filtering as the Lee filters, but also on ...
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Multi-Threshold Level Set Model for Image Segmentation
... Image segmentation has been widely deployed for defense and security applications such as small target detection and tracking, vehicle navigation, and automatic/aided tar- get recognition. The most important image ...
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A level set method for convective–diffusive particle deposition
... transport approach, the concept of critical size and sticking probability [29] are often employed with where particles are probabilistically assumed deposited once their distance from the wall is less than the ...
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A Programming Model for Mobile Context Aware Applications
... the set of potential contexts in which a sentient object may exist is motivated by a number of distinct advantages arising from such a ...systematic approach to dealing with ...the level of a ...a ...
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Variation In Greedy Approach To Set Covering Problem
... The exact procedure (Ex) is intended to achieve the optimal solution for the SCP. This category includes dynamic programming, branch and bound techniques. Heuristic (He) aims to achieve near-optimal solution also known ...
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Chikungunya Diagnosing using Rough Set Approach
... this approach is expressed by a boundary region of a collection, and not by a partial membership as in Fuzzy Set Theory ...The set generated by lower approximations is characterized by objects that ...
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A Challenge Set Approach to Evaluating Machine Translation
... Table 2 summarizes our results in terms of per- centage of successful translations, globally and over each main type of divergence. For com- parison with traditional metrics, we also include BLEU scores measured on the ...
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