Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Jianmei Cai"'
Publikováno v:
Signa Vitae. Jul2023, Vol. 19 Issue 4, p129-134. 6p.
Publikováno v:
ISICDM
X-ray has been widely used in medical diagnosis and other fields with the non-destructive merit. Recently, the cold cathode X-ray source based on field emission, which are different from traditional hot cathode X-ray source, have overcome the limitat
Publikováno v:
ISICDM
Image quality assessment is widely used in many image processing tasks, which can help researchers adjust image processing algorithms, design imaging systems, and evaluate image processing systems. Generally, CT image quality assessment can be catego
Publikováno v:
Medical Imaging 2020: Physics of Medical Imaging.
As an alternative to conventional sources, field emission x-ray cold cathodes of nanomaterials have been developed in recent years. Many different imaging geometries with this kind of source have been proposed, which has the merits of fast response,
Publikováno v:
ISICDM
In iterative CT reconstruction, the regularization parameter is quite important because it balances the fidelity term and penalty term. Images reconstructed with the optimal regularization parameter will keep the detail preserved and the noise restra
Publikováno v:
Medical Imaging 2019: Physics of Medical Imaging.
Regularization parameter selection is pivotal in optimizing reconstructed images which controls a balance between fidelity and penalty term. Images reconstructed with the optimal regularization parameter will keep the detail preserved and the noise r
Publikováno v:
Medical Imaging 2019: Physics of Medical Imaging.
Conventional Cone-Beam Computed Tomography (CBCT) acquisition suffers from motion blurring artifacts at the region of the thorax, and consequently, it may result in inaccuracy in localizing the target of treatment and verifying delivered dose in radi
Publikováno v:
Medical Imaging 2018: Physics of Medical Imaging.
There are growing concerns on the effect of the radiation, which can be decreased by reducing X-ray tube current. However, this manner will lead to the degraded image due to the quantum noise. In order to alleviate the problem, multiple methods have
Publikováno v:
Proceedings of SPIE; 1/11/2019, Vol. 10948, p1094857-1-1094857-6, 6p
Publikováno v:
Proceedings of SPIE; 1/11/2019, Vol. 10948, p1094828-1-1094828-6, 6p