国际光学工程学会
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作者:Alexandre Ba , Miguel P. Eckstein , Damien Racine ...
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.011009-011009SPIE
摘要:X-ray medical imaging is increasingly becoming three-dimensional (3-D). The dose to the population and its management are of special concern in computed tomography (CT). Task-based methods with model observers to assess the dose-image quality trade-off are promising tools, but th...
作者:Antje C. Venjakob , Claudia R. Mello-Thoms
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.011002-011002SPIE
摘要:While eye tracking research in conventional radiography has flourished over the past decades, the number of eye tracking studies that looked at multislice images lags behind. A possible reason for the lack of studies in this area might be that the eye tracking methodology used in...
作者:James R. Hermus , Timothy P. Szczykutowicz
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.013502-013502SPIE
摘要:Fluence field modulated (FFM) CT allows for improvements in image quality and dose reduction. To date, only one-dimensional modulators have been proposed, as the extension to two-dimensional (2-D) modulation is difficult with solid-metal attenuation-based fluence field modulated ...
作者:Pooyan Sahbaee , Paul P. Segars , Daniele Marin ...
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.013501-013501SPIE
摘要:Contrast enhancement is a key component of computed tomography (CT) imaging and offers opportunities for optimization. The design and optimization of techniques, however, require orchestration with the scan parameters and, further, a methodology to relate contrast enhancement and...
作者:Akshay Pai , Jon Sporring , Sune Darkner ...
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.014005-014005SPIE
摘要:Obtaining regional volume changes from a deformation field is more precise when using simplex counting (SC) compared with Jacobian integration (JI) due to the numerics involved in the latter. Although SC has been proposed before, numerical properties underpinning the method ...
作者:Marios A. Gavrielides , Qin Li , Rongping Zeng ...
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.013504-013504SPIE
摘要:This work focuses on volume estimation of “multidensity” lung nodules in a phantom computed tomography study. Eight objects were manufactured by enclosing spherical cores within larger spheres of double the diameter but with a different density. Different combinations of out...
作者:Johanna Rousson , Mathieu Naudin , Cédric Marchessoux
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.011007-011007SPIE
摘要:Three-dimensional (3-D) imaging has been intensively studied in the past few decades. Depth information is an important added value of 3-D systems over two-dimensional systems. Special focuses were devoted to the development of stereo matching methods for the generation of dispar...
作者:James E. Montgomery , Michal J. Wesolowski , Bailey Wolkowski ...
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.015504-015504SPIE
摘要:Prostatic urethral transitional cell carcinoma with prostatic invasion in a dog was imaged with abdominal radiography and abdominal ultrasonography antemortem. Synchrotron in-line x-ray phase contrast imaging computed tomography (XPCI-CT) was performed on the prostate ex vivo at ...
作者:Hiroki Tezuka , Yasushi Shimada , Khairul Matin ...
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.014504-014504SPIE
摘要:Exposed root surfaces due to gingival recession are subject to biofilm stagnation that can result in caries formation. Cervical enamel and dentin demineralization induced by a cariogenic biofilm was evaluated using swept-source optical coherence tomography (SS-OCT). The cementoen...
作者:Adrian A. Sánchez , Emil Y. Sidky , Xiaochuan Pan
来源:[J].Journal of Medical Imaging, 2016, Vol.3 (1), pp.011008-011008SPIE
摘要:We propose an implementation of the Hotelling observer that can be applied to the optimization of linear image reconstruction algorithms in digital breast tomosynthesis. The method is based on considering information within a specific region of interest, and it is applied to...

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