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Thursday, 31 October 2024
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Searchterm 'Electronic Data Processing' found in 1 term [
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Electronic Data Processing
(EDP) The term electronic data processing describes the automated processing of commercial data by computer systems.

See also Boot Terminal, Anticoincidence, Electronic Noise, Impedance Matching, Demodulator, and Hard Disk.
Image Quality
Image quality is an important value of all radiographic imaging procedures. Accurate measures of both image quality and patient radiation risk are needed for effective optimization of diagnostic imaging. Images are acquired for specific purposes, and the result depends on how well this task is performed. The imaging performance is mainly influenced by the imaging procedure, examined object, contrast agents, imaging system, electronic data processing, display, maintenance and the operator. Spatial resolution (sharpness), contrast resolution and sensitivity, artifacts and noise are indicators of image quality.
A high image contrast provides the discrimination between tissues of different densities.
The image resolution states the distinct visibility of linear structures, masses and calcifications.
Noise and artifacts degrade the image quality. In computed tomography (CT), high spatial resolution improves the visibility of small details, but results in increased noise. Increased noise reduces the low contrast detectability. Noise can be reduced by the use of large voxels, increased radiation dose, or an additional smoothing filter, but this type of filter increases blurring.
An image acquisition technique taking these facts into account maximizes the received information content and minimizes the radiation risk or keeps it at a low level.

See also As Low As Reasonably Achievable.
Software
Computer and electronic data processing (EDP) programs are named software.

See also Hardware, Alpha Test and Beta Test.
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 [last update: 2023-11-06 02:01:00]