Recent Advances in Attenuation Estimation
Advances in Experimental Medicine and Biology(2023)
摘要
This chapter reviews some of the recent advances in the estimation of the local and the total attenuation, with an emphasis on reducing the bias and variance of the estimates. A special focus is put on describing the effect of power spectrum estimation on bias and variance, the introduction of regularization strategies, as well as on eliminating the need to use reference phantoms for compensating for system dependent effects.
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关键词
Attenuation,Local attenuation,Total attenuation,Bias,Precision,Regularization,Cost function,Reference phantom
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