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OALib Journal期刊
ISSN: 2333-9721
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B-spline Active Contours Boundary Extraction Based on Conjugate Gradient Vector
基于共轭梯度的B样条主动轮廓边缘提取

Keywords: active contours model,B-spline curve,conjugate gradient,gradient vector flow
主动轮廓模型
,B样条曲线,共轭梯度,梯度矢量流

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Abstract:

Boundary extraction is the foundation of image recognition.A method of B-spline active contours boundary extraction based on conjugate gradient vector is presented.With human-machine interface,it gives a B-spline curve which is close to and similar to the objective edge in shape and location.Rather than evolving deformable curve with every pixel on the curve in conventional method,the proposed method evolves the curve with controlled node points which are much less than pixel points in numbers,so computatio...

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