Spatial resolution refers to the ability of an imaging modality to differentiate two adjacent structures as being distinct from one another. ... Spatial resolution is expressed in line pairs per mm (lp mm).5 jun 2009
What is meant by spatial resolution in mapping?
A measure of the accuracy or detail of a graphic display, expressed as dots per inch, pixels per line, lines per millimeter, etc. ... Resolution is the accuracy at which a given map scale can depict the location and shape of map features; the larger the map scale, the higher the possible resolution.
What is spatial resolution example?
Spatial Resolution refers to the size of the smallest feature that can be detected by a satellite sensor or displayed in a satellite image. ... For example, a spatial resolution of 250m means that one pixel represents an area 250 by 250 meters on the ground.
What is spatial resolution and why is it important in Medical imaging?
Spatial resolution can determine the quality of an image and describe how detailed an object can be represented by the image. It is a measurement to determine how small an object should be in order for an imaging system to detect it.
What is spatial resolution in radiography?
Spatial resolution in radiology refers to the ability of an imaging system to differentiate between two near-by objects. In digital imaging, it depends on the size of the pixel used.
What affects spatial resolution on an xray?
The key factors that influence the sharpness of an image re- late to the size of the source of x-rays (fo- cal spot), the physical characteristics of the x-ray detector system (area and thickness), and the presence of any motion blur because of the finite duration of all radiographic ex- posures.
What is the importance of image quality in radiography?
Image quality affects the ease of extracting information from an image. Good image quality will ensure the maximum amount of diagnostic information is gained from the image. Sharpness is essential as blurring of an image will lower the image quality.20 feb 2016
What increases spatial resolution in xray?
Another way to enhance spatial resolution is to improve the sampling of detector units by deflecting the focal spot on the x-ray tube anode along longitudinal and fan angle direction (2–4).26 jun 2018
What does spatial resolution depend on?
In terms of digital images, spatial resolution refers to the number of pixels utilized in construction of the image. Images having higher spatial resolution are composed with a greater number of pixels than those of lower spatial resolution.