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IN DIGITAL IMAGE SPATIAL HIGHER RESOLUTION IS?
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is the better fines lines and edges of anatomical part. how well an image system can dysplay two closely soace objects as separate
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IN DIGITAL IMAGE.
SPATIAL RESOLUTION IS DE TERMINATED BY? |
●PIXEL SIZE. and this is determinated by SIZE MATRIX (Number of Pixel Columms and rows).
long matrix size = smaller pixels = better spatial resolution. y esta SIZE MATRIX IS DETERMINATED BY: ●THE SIZE OF PIXEL DISPLAY MONITOR (Pixel pitch is the distance from center to center of pixels) AND FIELD OF VIEW (FOV) is the size of display monitor .Smaller FOV =smaller pixels. |
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IN DIGITAL RADIOGRAPHY
FLAT PANEL DETECTORS (FPD's) PIXEL IS DETERMINATED BY? |
● DEL ,(DETECTORS ELEMENT SIZE) que son millones que componen los flat detectors.
are aprox 100 micrometers x 100 micrometers. in mamography. less micrometers gives better record |
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IN CR COMPUTED RADIOGRAPHY SPATIAL RESOLUTION IS DETERMINATED BY ?
In IP (Image Plate) THE PIXEL SIZE Of IMAGE PLATE IS DETERMINATED BY? |
•THE SIZE OF THE SCANNING LASER BEAM IS APROX 200 MICROMETERS X 200 MICROMETE AND AMOUND OF LIGHT SPREAD OF PHOTOSTIMULABLE LUMINOCENCE. Also Spatial resolution is determinated by SIZE OF PSP PHOTO STIMULABLE PHOSPHORU |
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OTHER FACTORS Or CONDITIONS INFLUENCE SPATIAL RESOLUTION?
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VIEWING CONDITIONS LIKE:
●LUMINOCENCE amount of bright of monitor. ●AMBIENT Ilumination of the room , the light that refleted off monitir. that adding light and can reduce the contrast of image. |
