Tag Archives: computed tomography

Task-Driven CT: Paper by Grace Gang in Phys Med Biol.

A paper published this month in the journal of Physics in Medicine and Biology reports a method that “takes imaging physics to task” to improve CT image quality and reduce dose. Grace Gang and coauthors Jeff Siewerdsen and Web Stayman … Continue reading

Hao Dang Earns PhD in Biomedical Engineering

Hao Dang earned his Ph.D. from Johns Hopkins University after successfully defending his dissertation, entitled Model-Based Iterative Reconstruction in Cone-Beam Computed Tomography: Advanced Models of Imaging Physics and Prior Information. His thesis details the development of new model-based iterative reconstruction … Continue reading

Automatic Planning for Spine Surgery: Paper by Joseph Goerres

Dr. Joseph Goerres, postdoctoral fellow in the I-STAR Lab and Carnegie Center for Surgical Innovation, recently published a paper in Physics in Medicine and Biology that highlights the challenge of achieving precision guidance in spinal surgery. His work addresses the … Continue reading

Ali Uneri Earns Ph.D. in Computer Science

Ali Uneri successfully defended his Ph.D. dissertation, entitled “Imaging and Registration for Surgical Guidance: Systems and Algorithms for Intraoperative C-Arm 2D and 3D Imaging” in December 2016.   His work realized methods for mobile C-arm 2D and 3D imaging integrated with surgical … Continue reading

Hao Dang Tackles Truncation Using Multi-Resolution CT Reconstruction

A recent paper published in Physics in Medicine and Biology by Hao Dang and coauthors in the I-STAR Lab reports a multi-resolution CT image reconstruction method that efficiently overcomes truncation effects, which are a particularly important problem in cone-beam CT (which often has … Continue reading