FILTERING OF MEDICAL ULTRASONIC IMAGES BASED ON A MODIFIED ANISTROPIC DIFFUSION EQUATION

• 作 者: Wang Ling Li Deyu Wang Tianfu
• 机 构: BiomedicalEngineeringCenter,CardiacMedicineofHuaziHospital,DepartmentofElectricalandComputerEngineer
• 出 处: 电子科学学刊：英文版
• 发表日期: 2007年2期
• 关键词: 医学超声图象 滤波 各向异性扩散算法 扩散方程 Diffusion equation Edge detection Image procession Sp
• 基金项目: Supported by NationalNatural Science Foundation ofChina （No.60272060）, Doctoral Foundation of Ministry ofEducation （No.20030610032）, and Sichuan Youth Scienceand Technology Foundation （No.04ZQ026-013）

Speckle noise reduction is a key problem of the image analysis of medical UltraSound images. In this paper, two important improvements have been developed to a fast anisotropic diffusion algorithm for speckle noise reduction. The Gaussian filter is firstl