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Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2006 Oct;23(5):1123-5, 1133.

[Review of nonlinear filters for medical ultrasonic images].

[Article in Chinese]

Author information

  • 1Biomedical Engineering Center, Sichuan University, box 373, Chengdu 610065, China.


Ultrasound medical imaging has been widely applied in clinic diagnoses because of its real-time, non-invasiveness and convenience. However, it suffers from severe speckle noises. Until now, a lot of filtering algorithms have been proposed, but none of them is satisfactory. In this paper, four nonlinear filter methods, based on median filter, wavelet decomposition and anisotropic diffusion, are systematically reviewed. Finally, the prospect of the nonlinear filtering method is discussed.

[PubMed - indexed for MEDLINE]
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