34 citations · 48 across the 3 of their papers we have counts for
3 papers
physics.med-ph2018★ 4 cited
Multi-materials beam hardening artifacts correction for computed tomography (CT) based on X-ray spectrum estimation
Wei Zhao, Dengwang Li, Kai Niu +3
Due to the energy-dependent nature of the attenuation coefficient and the polychromaticity of the X-ray source, beam hardening effect occurs when X-ray photons penetrate through an…
physics.med-ph2015★ 34 cited
An indirect transmission measurement-based spectrum estimation method for computed tomography
Wei Zhao, Kai Niu, Sebastian Schafer +1
The characteristics of an x-ray spectrum can greatly influence imaging and related tasks. In practice, due to the pile-up effect of the detector, it's difficult to directly measure…
physics.med-ph2015★ 10 cited
A patient-specific scatter artifacts correction method
Wei Zhao, Stephen Brunner, Kai Niu +3
This paper provides a fast and patient-specific scatter artifact correction method for cone-beam computed tomography (CBCT) used in image-guided interventional procedures. Due to i…