Publications

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The Evolution of Reciprocal Altruism

A model is presented to account for the natural selection of what is termed reciprocally altruistic behavior. The model shows how selection can operate against the cheater (non-...

1971 The Quarterly Review of Biology 10842 citations

On enantiomorph-polarity estimation

The behaviour of Rogers's η parameter for enantiomorph-polarity estimation is examined theoretically and experimentally on simulated intensity data for seven well-assorted compo...

1983 Acta Crystallographica Section A Foun... 10355 citations

Active contours without edges

We propose a new model for active contours to detect objects in a given image, based on techniques of curve evolution, Mumford-Shah (1989) functional for segmentation and level ...

2001 IEEE Transactions on Image Processing 10188 citations