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Snakes have been widely used for object tracking, shape detection , and segmentation of an area of interest within image data. A snakes algorithm uses an energy minimization approach to deform an initial boundary or curve so that it traces along the contour of a shape in an image. However, a major disadvantage of the algorithm is that it requires users to… (More)

- J. Gray, C. Homescu, L. Petzold, R. Alkire
- 2004

Models of pitting corrosion typically include transport by diffusion, migration, and convection, heterogeneous surface reactions, and homogeneous solution equilibria among many other events. Simulations that include these phenomena typically result in a set of coupled nonlinear differential-algebraic equation systems. One of the principal difficulties in… (More)

A mathematical model based on transport and reaction equations describing initiation of pitting corrosion at a M nS sulfide inclusion in 0.1M N aCl electrolyte was used as a test problem for development of efficient numerical procedures for corrosion simulation and sensitivity analysis. The equations associated with the corrosion model were formulated using… (More)

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