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Convolutional Neural Network Based Metal Artifact Reduction in X-ray Computed Tomography
Yanbo Zhang, Hengyong Yu
In the presence of metal implants, metal artifacts are introduced to x-ray CT images. Although a large number of metal artifact reduction (MAR) methods have been proposed in the pa…
BPF-type Region-of-interest Reconstruction for Parallel Translational Computed Tomography
Weiwen Wu, Hengyong Yu, Shaoyu Wang +1
Recently, an ultra-low-cost linear scan based tomography architecture was proposed by our team. Similar to linear tomosynthesis, the source and detector are translated in opposite…
Top-level Design and Pilot Analysis of Low-end CT Scanners Based on Linear Scanning for Developing Countries
Fenglin Liu, Hengyong Yu, Wenxiang Cong +1
Purpose: The goal is to develop a new architecture for computed tomography (CT) which is at an ultra-low-dose for developing countries, especially in rural areas. Methods: The prop…
Meaning of Interior Tomography
Ge Wang, Hengyong Yu
The classic imaging geometry for computed tomography is for collection of un-truncated projections and reconstruction of a global image, with the Fourier transform as the theoretic…
Omni-tomography/Multi-tomography -- Integrating Multiple Modalities for Simultaneous Imaging
Ge Wang, Jie Zhang, Hao Gao +8
Current tomographic imaging systems need major improvements, especially when multi-dimensional, multi-scale, multi-temporal and multi-parametric phenomena are under investigation.…