This 20th anniversary meeting united users of the HEXITEC ASIC (a readout platform for high-energy spectroscopic X-ray imaging) from a wide range of industrial and academic disciplines, including medical imaging, chemical imaging, software development and security applications.
Andrew presented a talk titled "A method for identification and reconstruction of charge sharing events”. This research focuses on reconstructing the complex signals produced when an X-ray interaction is registered across multiple readout pixels in an image, known as a charge sharing event. These charge sharing events may be caused by multiple physical processes, which require process-specific corrections to restore the true energy and position of the interaction event. Charge sharing correction can offer 2-3x improvements to imaging system sensitivity – allowing faster imaging – and increase the spatial resolution of images – allowing smaller objects to be seen. This technology is ideally suited to improving HEXITEC imaging for medical applications, and can also be applied to a wide range of other HEXITEC imaging applications.