PET/MRI attenuation estimation in the lung: A review of past, present, and potential techniques
Sign Up to like & getrecommendations! Published in 2019 at "Medical Physics"
DOI: 10.1002/mp.13943
Abstract: Positron emission tomography/magnetic resonance imaging (PET/MRI) potentially offers several advantages over positron emission tomography/computed tomography (PET/CT), for example, no CT radiation dose and soft tissue images from MR acquired at the same time as the… read more here.
Keywords: past present; pet mri; attenuation estimation; lung ... See more keywords
Seismic Attenuation Estimation Using an Enhanced Log Spectral Ratio Method
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3140343
Abstract: Seismic attenuation estimation is a significant task for characterizing reservoirs and improving the resolution of seismic data. The logarithmic spectral ratio (LSR) is one of the widely used tools for seismic attenuation estimation. However, how… read more here.
Keywords: spectral ratio; attenuation; seismic attenuation; attenuation estimation ... See more keywords
Compensating elastic transmission losses for P‐wave attenuation estimation from sonic logs
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12742
Abstract: The decay of seismic amplitude is caused by a variety of physical phenomena that can be divided broadly into elastic transmission losses (including geometrical spreading, interface transmission losses and scattering attenuation) and intrinsic attenuation, where… read more here.
Keywords: transmission; transmission losses; attenuation estimation; elastic transmission ... See more keywords
Model-based ultrasound attenuation estimation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988993
Abstract: Ultrasound attenuation coefficient (α) has shown a potential to provide quantitative information on the pathological state of the tissue. However, the main difficulty in the estimation of α consists in the need for diffraction correction… read more here.
Keywords: model based; attenuation estimation; ultrasound attenuation; based ultrasound ... See more keywords
Attenuation estimation from sonic logging waveforms combining seismic interferometry and common-midpoint approach
Sign Up to like & getrecommendations! Published in 2018 at "Geophysics"
DOI: 10.1190/geo2017-0100.1
Abstract: ABSTRACTAlthough attenuation estimation methods using sonic logging waveforms provide the highest resolution among seismic methods and enable us to characterize in great detail the attenuation properties of subsurface rocks, such attenuation estimation methods are not… read more here.
Keywords: logging waveforms; attenuation estimation; attenuation; sonic logging ... See more keywords