Newcastle Upon Tyne Hosp NHS Fdn Trust Dept Nucl Med Newcastle Upon Tyne NE1 4LP Tyne &Physics in medicine and biology.Gillen R, Firbank MJ, Lloyd J, O'Brien JT. CT-based attenuation and scatter correction compared with uniform attenuation correction in brain perfusion SPECT imaging for ...
This weight is included in the back projection step of an iterative reconstruction, instead of in between iterations as in most 4D-μCT techniques, and assures most of the correction is assigned to dynamic voxels. Equation (1) is adapted as follows: μjk+1=μjk+αwjWipi−qik∑msim2sij ...
The uptake and turn-over of the radiopharmaceutical in the source organs is of gre... M Sydoff - 《Lund University Dept of Medical Radiation Physics》 被引量: 1发表: 2013年 SPECT/CT, PET/CT and PET/MRI: oncologic and infectious applications and protocol considerations Functional imaging is ...
Development Dept. Inspection Systems Business Division Industrial Automation Company Speciality: Electrical Engineering 2020/03/10 In the board mounting industry, there are an increasing number of parts and boards that are difficult to be insepected with AOI because solder is invisible. And high qualit...
·h ar ding a rtifacts of the superior v ein in the C T P A Shi Zifeng,Cheng Qi,Zhao Na ,et al (Dept of Radiology ,The Affi liated Provincial Hospital of Anhui Medical University ,Hefei 230001) Abstract Obj ective To evaluate the value of monochromatic images of Gemstone spectral ...
Center for Advanced Imaging Research (CAIR), Medical University of South Carolina Dept. Radiology, Charleston, South Carolina, USA U. Joseph Schoepf Ludwig-Maximilians-University Munich, Munich, Bayern, Germany Fabian Bamberg Department of Cardiology, Royal Liverpool and Broadgreen Universit, Liverpoo...
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AJNR Am J Neuroradiol 2004; 25:233-7.) or from 3D volume data sets, the latter method often employing referential atlases, volumetric matching, and probabilistic determinations (Auto-Align, Cortechs Labs Inc., Charlestown, Mass.; SPM, Wellcome Dept. of Imaging Neuroscience, London, UK; FSL,...
attenuation correctiondeep learningAttenuation correction (AC) of PET/MRI faces challenges including inter-scan motion, image artifacts such as truncation and distortion, and erroneous transformation of structural voxel-intensities to PET mu-map values. We propose a deep-learning-based method to derive ...
This study aims to develop and investigate the effectiveness of an interpolated CT (ICT) method for improved cardiac SPECT AC using simulations.Zhang, DuoGhaly, MichaelMok, Greta S. P.Univ Macau Biomed Imaging Lab BIG Dept Elect &Medical Physics...