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利用光流预测Snakes模型初期轮廓的动态图象轮廓追迹方法 被引量:5

Contour Extraction Method of Active Image Using Snakes Model and Optical Flow
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摘要 针对应用 Snakes模型进行动态图象轮廓追迹时 ,若存在前后帧目标变形较大 ,则易发生追迹失误的问题 ,提出了利用光流预测 Snakes模型的初期轮廓 ,然后进行动态图象轮廓追迹的方法 .实验证明 ,改进后的方法与原来 Snakes模型相比 ,具有更好的轮廓动态跟踪能力 . In order to extract the contour of active image effectively, this paper gives a method using Snkaes model, while initial contour of every frame is predicted by optical flow. With this improved method, Snkaes model has better performance for contour extraction of active image. Finally, the given algorithm is tested on several images. Comparison is made with standard Snkaes method.
作者 谢存 孔祥维
出处 《中国图象图形学报(A辑)》 CSCD 2000年第8期666-669,共4页 Journal of Image and Graphics
基金 中国船舶工业总公司国防预研基金 大连理工大学青年基金
关键词 Snakes动态模型 光流动态图象 轮廓追迹 Snkaes model, Optical flow, Active image, Contour extraction
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参考文献1

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