This paper reports on the state-of-the-art of the main non-destructive assay (NDA)
techniques usually used for in-situ radiological characterization of nuclear facilities subject …

Radiation mapping, through the detection of ionising gamma-ray emissions, is an important
technique used across the nuclear industry to characterise environments over a range of …

A coded aperture gamma camera based on a novel imaging model which decomposes the
mask projections as a superposition of two separable functions was proposed for near-field …

The loss of radioactive sources poses potential risks to public safety, in order to safely
recover radioactive sources, a method for orphan radioactive source localization is …

Compton imaging excels at visualizing gamma rays in the range of several hundred
kiloelectronvolts to several megaelectronvolts. However, this technique has limitations in the …

Efficient and secure decommissioning of nuclear facilities demands advanced technologies.
In this context, gamma-ray detection and imaging are crucial in identifying radioactive …

This work presents a novel stereo coded aperture gamma camera based on four detection
modules placed within four quadrants. Each module includes 48× 48 strips of Bi 4 Ge 3 O 12 …

Purpose Handheld gamma cameras with coded aperture collimators are under investigation
for intraoperative imaging in nuclear medicine. Coded apertures are a promising collimation …

The assessment of the concentration and distribution of l6 N, derived from 16 O in the
cooling water exposed to neutron irradiation, is essential for ensuring radiation safety during …

In the fields of radiation environment monitoring and unknown radioactive materials search,
locating the far-field gamma-ray sources with high accurate coordinates is an important and …