indicator number - how much radiation was absorbed into the phosphors
image stitching - stitching together multiple images - useful for scoliosis
... [Show More] studies of the spine, long bone studies or angiographic imaging of peripheral vasculature. - to view as a single image.
image annotation - allow the technologist to inset preset text or manual text on the image
contrast resolution (digital) - Ability to distinguish anatomic structures having similar subject contrast
spatial resolution - Refers to the amount of detail present in any image.Phosphor layer thickness and pixel size determines resolution in CR.
pixel - A single square within a matrix
matrix - a series of very small boxes that form a digital image
direct conversion - one step process in DR where flat panel detectors convert the x-ray energy directly to an electric signal using an amorphous selenium detector for immediate viewing
charged coupled device - component which light enters and is converted into video or electronic signal
thin film transistor - used to read charges collected during an exposure
photodiode - A silicon solid state device sensitive to light. Converts light into an electrical signal.
scintillator - Amorphous silicon requires a _____ such as cesium iodide or a rare earth intensifying screen composed of gadolinum and lanthanum with oxysulfides. This also converts x-rays to visible light.
flat panel detector - a type of digital detector employing amorphous silicon or selenium detector material, bonded with thin-film transistor technology for digital image creation and amplification
density - It is the degree of blackening of a radiograph resulting from radiation exposure and processing and one of the two photographic properties that comprise visibility of detail.
automatic exposure controll - a device that measures the quantity of radiation that reaches the image receptor and automatically terminates the exposure when the image receptor has received the required radiation intensity [Show Less]