G. Stippel, W. Philips, and I. Lemahieu (Belgium)
Ultrasound, speckle, morphology, filter, neonatal brain
In this paper we introduce a new speckle suppression tech nique for medical ultrasound images, based on a noise model for the speckle noise as represented in the B-scan image. Using this model and prior statistics ensuing from it we are able to distinguish speckle noise from important re solvable details. All individual speckles are located, and exploiting our knowledge on the speckle classification, the filter removes the noise speckles, while it preserves valu able details. We conclude with comparing the results of the proposed technique with two classical speckle suppression methods.
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