In the last ten to fifteen years there has been much research in using amorphous and
polycrystalline semiconductors as x-ray photoconductors in various x-ray image sensor …

Digital radiography offers the potential of improved image quality as well as providing
opportunities for advances in medical image management, computer-aided diagnosis and …

Recent progress in detector design has created the need for a careful side-by-side
comparison of the modulation transfer function (MTF) and resolution-dependent detective …

Amorphous selenium (a-Se) is a photoconductive material that has been intensively
investigated from its early application in xerography to its present application in flat panel X …

Noise properties of active matrix, flat‐panel imagers under conditions relevant to diagnostic
radiology are investigated. These studies focus on imagers based upon arrays with pixels …

As photon-counting imaging systems become more complex, there is a trend toward
measuring more attributes of each individual event. In various imaging systems the attributes …

A methodological framework for experimental analysis of the noise‐power spectrum (NPS)
of multidimensional images is presented that employs well‐known properties of the n …

A theoretical method is presented that allows identification of optimal x‐ray imaging
geometry, considering the effects of x‐ray source distribution, imaging task, x‐ray scatter …

Over recent decades a quiet revolution has taken place in the application of modern imaging
theory to many fields of applied imaging. Nowhere has this movement been more dramatic …

The performance of an indirect‐detection, active matrix flat‐panel imager (FPI) at diagnostic
energies is reported in terms of measured and theoretical signal size, noise power spectrum …