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- Ben Appleton, Hugues Talbot
- IEEE Transactions on Pattern Analysis and Machine…
- 2006

In this paper, we address the computation of globally minimal curves and surfaces for image segmentation and stereo reconstruction. We present a solution, simulating a continuous maximal flow by a novel system of partial differential equations. Existing methods are either grid-biased (graph-based methods) or suboptimal (active contours and surfaces). The… (More)

- Ben Appleton, Hugues Talbot
- Journal of Mathematical Imaging and Vision
- 2005

An approach to optimal object segmentation in the geodesic active contour framework is presented with application to automated image segmentation. The new segmentation scheme seeks the geodesic active contour of globally minimal energy under the sole restriction that it contains a specified internal point pint. This internal point selects the object of… (More)

- Ben Appleton, Changming Sun
- Pattern Recognition
- 2003

Shortest path algorithms are used for a large variety of optimisation problems in network and transportation analysis. They are also used in image analysis for object segmentation, disparity estimation, path .nding and crack detection. Sometimes the topology of the problem demands that the path be circular. Such circular path constraints occur in polar… (More)

- Hugues Talbot, Ben Appleton
- Image Vision Comput.
- 2007

Path openings and closings are algebraic morphological operators using families of thin and oriented structuring elements that are not necessarily perfectly straight. These operators can typically be used in filtering applications in lieu of operators based on the more standard families of straight line structuring elements. They yield results which are… (More)

- B S Appleton, T C Campbell
- Journal of the National Cancer Institute
- 1983

The effects of high and low dietary protein intervention on the growth and development of hepatic preneoplastic lesions were examined. Inbred male F344 rats fed a semipurified (AIN-76) 20% casein diet were given doses orally of aflatoxin B1 (10 doses, each 250 micrograms/kg). One week after the last dose, animals were fed diets containing either 5 or 20%… (More)

- Ben Appleton, Andrew P. Bradley, Michael Wildermoth
- Digital Image Computing: Techniques and…
- 2005

In this paper we present an image stitching method based on dynamic programming and describe its application to automated slide acquisition for Virtual Microscopy (VM). Given a large number of fields of view (FOVs) acquired from a single microscope slide, we composite these images into a single large ‘virtual slide’ image. The location of each FOV… (More)

- Qing Wei, Feng Liu, +8 authors Stuart Crozier
- Physics in medicine and biology
- 2006

This paper describes an electrical model of cardiac ventricles incorporating real geometry and motion. The heart anatomy and its motion through the cardiac cycle are obtained from segmentations of multiple-slice MRI time sequences; the special conduction system is constructed using an automated mapping procedure from an existing static heart model. The… (More)

- Changming Sun, Ben Appleton
- IEEE Transactions on Pattern Analysis and Machine…
- 2005

Single shortest path extraction algorithms have been used in a number of areas such as network flow and image analysis. In image analysis, shortest path techniques can be used for object boundary detection, crack detection, or stereo disparity estimation. Sometimes one needs to find multiple paths as opposed to a single path in a network or an image where… (More)

- Carlos Leung, Ben Appleton, Changming Sun
- BMVC
- 2004

The application of energy minimisation methods for stereo matching has been demonstrated to produce high quality disparity maps. However the majority of these methods are known to be computationally expensive, requiring minutes or even hours of computation. We propose a fast minimisation scheme that produces strongly competitive results for significantly… (More)

- Ben Appleton, Hugues Talbot
- DICTA
- 2003

In this paper we solve the problem of computing exact continuous optimal curves and surfaces for image segmentation and 3D reconstruction, using a maximal flow approach expressed by means of a PDE model. Previously existing techniques yield either grid-biased (graph-based approaches) or sub-optimal answers (active contours and surfaces). The proposed… (More)