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Attenuation map reconstruction from TOF PET data
Qingsong Yang, Wenxiang Cong, Ge Wang
To reconstruct a radioactive tracer distribution with positron emission tomography (PET), the background attenuation correction is needed to eliminate image artifacts. Recent resea…
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…
Dictionary-Learning-Based Reconstruction Method for Electron Tomography
Baodong Liu, Hengyong Yu, Scott S. Verbridge +2
Electron tomography usually suffers from so called missing wedge artifacts caused by limited tilt angle range. An equally sloped tomography (EST) acquisition scheme (which should b…
Micro-modulated luminescence tomography
Wenxiang Cong, Fenglin Liu, Chao Wang +1
Imaging depth of optical microscopy has been fundamentally limited to millimeter or sub-millimeter due to light scattering. X-ray microscopy can resolve spatial details of few micr…
Stored Luminescence Computed Tomography
Wenxiang Cong, Chao Wang, Ge Wang
The phosphor nanoparticles made of doped semiconductors, pre-excited by well-collimated X-ray radiation, were recently reported for their light emission upon NIR light stimulation.…
Unsupervised deconvolution of dynamic imaging reveals intratumor vascular heterogeneity
Li Chen, Peter L. Choyke, Niya Wang +4
Intratumor heterogeneity is often manifested by vascular compartments with distinct pharmacokinetics that cannot be resolved directly by in vivo dynamic imaging. We developed tissu…