Droplet pairs electrical computations using a level set based algorithm

Multiphase permittivity imaging using absolute value electrical capacitance tomography data and a level set algorithm.

Multiphase flow imaging is a very challenging and critical topic in industrial process tomography. In this article, simulation and experimental results of reconstructing the permittivity profile of multiphase material from data collected in electrical capacitance tomography (ECT) are presented. A multiphase narrowband level set algorithm is developed to reconstruct the interfaces between three-...

A Unified Model for Set-based Computations

In many situations with incomplete or vague information, it may not be possible to obtain the exact values of certain parameters. A plausible solution to this problem is to use a set-valued representation scheme, in which a parameter is assigned to a set of all possible values based on the available information. This paper examines a unified model for setbased computations. Within the proposed ...

A Multi-level Hypergraph Partitioning Algorithm Using Rough Set Clustering

The hypergraph partitioning problem has many applications in scientific computing and provides a more accurate inter-processor communication model for distributed systems than the equivalent graph problem. In this paper, we propose a sequential multi-level hypergraph partitioning algorithm. The algorithm makes novel use of the technique of rough set clustering in categorising the vertices of th...

A Robust Lesion Boundary Segmentation Algorithm using Level Set Methods

This paper addresses the issue of accurate lesion segmentation in retinal imagery, using level set methods and a novel stopping mechanism an elementary features scheme. Specifically, the curve propagation is guided by a gradient map built using a combination of histogram equalization and robust statistics. The stopping mechanism uses elementary features gathered as the curve deforms over time, ...

A Fast Algorithm for Level Set Based Optimization