
Detective quantum efficiency | Radiology Reference Article ...
Nov 7, 2024 · Detective quantum efficiency (DQE) is one of the fundamental physical variables related to image quality in radiography and refers to the efficiency of a detector in converting …
DQE measures transfer of signal to noise ratio from the input to the output of a detector. The methodology for measuring DQE in a digital detector has been standardized in IEC 62220-1. …
Detective quantum efficiency - Wikipedia
The detective quantum efficiency (often abbreviated as DQE) is a measure of the combined effects of the signal (related to image contrast) and noise performance of an imaging system, …
Assessment of Detective Quantum Efficiency: Intercomparison …
Defined as the ratio of the squared image signal-to-noise ratio to the number of incident x-ray photons, the DQE describes how efficiently a system translates incident x-ray photons into …
Image Quality Metrics - Oncology Medical Physics
Detector Quantum Efficiency (DQE) is a measure of the imaging system’s efficiency in converting data carriers into an image. DQE is influenced by every component of the imaging system and …
Detective quantum efficiency of photon-counting CdTe and Si …
Results: For detection in a 300-mm-thick object at 120 kVp, the 0.5- and 0.225-mm pixel CdTe systems have 28% to 41% and 5% to 29% higher detective quantum efficiency (DQE), …
Study of DQE dependence with beam quality on GE Essential …
Detector performance is quantified by means of modulation transfer function (MTF), normalized noise power spectrum (NNPS) and detective quantum efficiency (DQE). We found that …
Quantitative characterization of electron detectors for transmission ...
Detector performance can be evaluated quantitatively using the detective quantum efficiency (DQE), which measures how much noise a detector adds to a recorded image.
Detective quantum efficiency of electron area detectors in electron ...
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 quantum efficiency …
MTF and DQE enhancement using an apodized‐aperture x‐ray …
Jun 21, 2017 · Acquisition of high-quality x-ray images using low patient exposures requires detectors with high detective quantum efficiency (DQE). We describe a novel apodized …