We formulate computed tomography (CT) sinogram preprocessing as a statistical restoration
problem in which the goal is to obtain the best estimate of the line integrals needed for …

CT is the frontline imaging modality for diagnosis of acute traumatic brain injury (TBI),
involving the detection of fresh blood in the brain (contrast of 30–50 HU, detail size down to …

Disclosed herein are radiation therapy systems and methods. These radiation therapy
systems and methods are used for emission-guided radiation therapy, where gamma rays …

Disclosed herein are systems and methods for real-time monitoring of patient position and/or
location during a radiation treatment session. Images acquired of a patient during a …

A digital radiography imaging system for acquiring digital images of an object, and a method
for transforming digital images into an absolute thickness map characterizing the object …

(57) ABSTRACT A radiation therapy system comprising a therapeutic radia tion system (eg,
an MV X-ray source, and/or a linac) and a co-planar imaging system (eg, a kV X-ray system) …

Described here are systems, devices, and methods for imaging and radiotherapy
procedures. Generally, a radiotherapy system may include a radiotransparent patient …

Disclosed herein are methods and devices for the acquisition of positron emission (or PET)
data in the presence of ionizing radiation that causes afterglow of PET detectors. In one …

An apparatus comprising a radiation source, coincident positron emission detectors
configured to detect coincident positron annihilation emissions originating within a coordi …

A scintillator crystal (26) based gamma-ray camera system is described. The gamma-ray
camera system includes a spectra processing component for (34) providing improved …