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Studies have shown that the Savitzky-Golay digital differentiator (SGDD) is a promising technique in elastography due to its ability in reducing elastogram noises and enhancing the contrast-to-noise ratio between lesion and background tissue. The performance of SGDD is mainly determined by its length/order. Usually, the proper differentiator length is determined as the one providing the maximum contrast...
Different noninvasive or minimally invasive therapeutic ablation procedures can produce tissue necrosis associated with local-stiffness increase. Although elastography has been proved as a potential evaluation tool for many kinds of ablation-induced lesions, the application of subtraction technique in elastography to enhance the visualization of the ablation lesions has rarely been reported. In this...
Early detection and grading of liver fibrosis are important for the treatment of chronic hepatitis. As the gold standard for the assessment of hepatic fibrosis, liver biopsy is invasive, and may cause hemorrhage and infection. Therefore, it is very important to develop noninvasive clinical methods for fibrosis assessment. In this paper, B-mode videos of the liver during peaceful respiration were acquired...
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