A PDE based Method for Speckle Reduction of Log-compressed Ultrasound Image
Автор: Jie Huang, Xiaoping Yang
Журнал: International Journal of Image, Graphics and Signal Processing(IJIGSP) @ijigsp
Статья в выпуске: 3 vol.3, 2011 года.
Бесплатный доступ
Speckle noise is widely existence in coherent imaging systems, such as synthetic aperture radar, sonar, ultrasound and laser imaging, and is commonly described as signal correlated. In this paper, we focus on speckle reduction problem in real ultrasound image. Unlike traditional anisotropic diffusion methods usually taking image gradient as a diffusion index, in this paper, we present a new texture based anisotropic diffusion method for speckle reduction in real ultrasound image. The results comparing our new method with other well known methods on both synthetic images and real ultrasound images are reported to show the superiority of our method in keeping important features of real ultrasound images.
Speckle reduction, Log-compressed ultrasound image, anisotropic diffusion, texture
Короткий адрес: https://sciup.org/15012136
IDR: 15012136
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