CT images of the chest and abdomen produced using low-dose AI reconstruction, low-dose conventional iterative reconstruction and normal-dose CT. (Courtesy: the Ge Wang group at RPI; the Mannudeep ...

Single photon emission computed tomography (SPECT) is a medical imaging technique that is based on conventional nuclear medicine imaging and tomographic reconstruction methods. The images reflect ...

iterative algorithms; optimization; signal processing; medical imaging. iterative methods for solving large-scale systems of equations with constraints; image reconstruction from CAT and PET scan data ...

Figure 1： The flowchart of ACDPC iterative reconstruction joint optimization algorithm. (a) ACDPC imaging system based on half-annular illumination. (b) Three annular illumination patterns and their ...

Image reconstruction before and after the upgrade with iterative reconstruction. Images were acquired in "coarse" scanning mode. Images courtesy of Froedtert Hospital and the Medical College of ...

Estimated radiation doses are substantially lower for pediatric CT exams of the brain that used an adaptive statistical iterative reconstruction technique (ASIR) compared to those that did not use ...