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Sheng Wu Yi Xue Gong Cheng Xue Za Zhi · Dec 2008
[Segmentation of medical images based on dyadic wavelet transform and active contour model].
- Hong Li, Huinan Wang, Linfeng Chang, and Xiaoli Shao.
- College of Automation Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing 210016, China. lihonglilan@yahoo.com.cn
- Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2008 Dec 1; 25 (6): 1276-81.
AbstractThe interference of noise and the weak edge characteristic of symptom information on medical images prevent the traditional methods of segmentation from having good effects. In this paper is proposed a boundary detection method of focus which is based on dyadic wavelet transform and active contour model. In this method, the true edge points are detected by dyadic wavelet transform and linked by improved fast active contour model algorithm. The result of experiment on MRI of brain shows that the method can remove the influence of noise effective and detect the contour of brain tumor actually.
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