Reconstruction and Correction Issues in C-arm CT

C-arm CT has been under development since the early 90's, but has recently entered a new phase as the ability to visualize soft tissue and low-contrast lesions improves. Our methods for addressing non-idealities such as x-ray scatter, detector lag, data insufficiency and noise will be discussed. The implementation of retrospective gating in combination with multi-sweep acquisitions for cardiac imaging using a C-arm system is now entering the clinic, and our work to improve image quality and optimize image acquisition protocols will be presented.