A Task-Dependent Investigation on Dose and Texture in CT Image Reconstruction

Yongfeng Gao, Zhengrong Liang,Hao Zhang,Jie Yang,John Ferretti,Thomas Bilfinger,Kavitha Yaddanapudi,Mark Schweitzer,Priya Bhattacharji,William Moore

IEEE Transactions on Radiation and Plasma Medical Sciences（2020）

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摘要

Localizing and characterizing clinically significant lung nodules, a potential precursor to lung cancer, at the lowest achievable radiation dose is demanded to minimize the stochastic radiation effects from X-ray computed tomography (CT). A minimal dose level is heavily dependent on the image reconstruction algorithms and clinical task, in which the tissue texture always plays an important role. T...

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关键词

Image reconstruction,Task analysis,Computed tomography,Lung,Reconstruction algorithms,Cancer,X-ray imaging

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