منابع مشابه
Effects of Iranian Snakes Venom True Sea and Terrestrial Snakes on Some Bacterial Cultures
The antibacterial activities of eight snake crude venom (Macrovipera lebetina obtusa, Pseudocerastes persicus, Pseudocerastes urarachnoides, Echis carinatus sochureki, Gloydius halys caucasicus, Naja (naja) oxiana, and two species of true sea snakes Enhydrina schistose and Hydrophis cyanocinctus) were assessed against five important standard pathogenic bacterial strains (Escherichia coli, ...
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We present a new class of deformable contours (snakes) and apply them to the segmentation of medical images. Our snakes are defined in terms of an affine cell image decomposition (ACID). The 'snakes in ACID' framework significantly extends conventional snakes, enabling topological flexibility among other features. The resulting topology adaptive snakes, or 'T-snakes', can be used to segment som...
متن کاملNURBS snakes
A new formulation of energy minimising splines, based on Non-Uniform Rational B-Spline (NURBS) curves, is presented. The existing snake models do not facilitate the local control of their shapes without increasing the number of control points. The introduction of NURBS renders more flexibility into the snake model due to the weighting parameters that are made to adapt according to the curvature...
متن کاملUnited Snakes
Since their debut in 1987, snakes (active contour models) have become a standard image analysis technique with several variants now in common use. We present a framework called "United Snakes", which has two key features. First, it unifies the most popular snake variants, including finite difference, B-spline, and Hermite polynomial snakes in a consistent finite element formulation, thus expand...
متن کاملThe Poison of Snakes
Gth August.?A Bungarus Fasciatus, nearly full-grown, was bittea by the same Cobra at 12-22 p.m., at about eight inches from the head. The snake was bitten twice; the Cobra took firm hold, and implanted the fangs deeply. At 2-30, when I left, there was no change; the Bungarus eeemed unaffected. The Bungarus died at 7-30 p.m. of the 7th, about 29 hours after being bitten. At 1 p.m. of the 7th, he...
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ژورنال
عنوان ژورنال: Nature
سال: 1884
ISSN: 0028-0836,1476-4687
DOI: 10.1038/030268a0