Traditional Culture Encyclopedia - Photography major - What's the maximum number of tomography scans a day?
What's the maximum number of tomography scans a day?
It is not limited to June 22, 2022165438+1October 22, and there is no limit to the maximum daily usage of tomographic scanning. Tomography is called CT for short, and CT images are different from traditional X-ray tomography. Instead of shooting an image directly on a photographic film, X-rays are used to scan a certain plane of the human body, usually a horizontal plane, and the X-ray attenuation intensity passing through the human body plane is detected by a detector. The obtained information is amplified, converted into digital by A/D converter, input into an electronic computer for high-precision and fast operation processing, arranged into a digital matrix, and then converted into an image matrix by D/A converter to reconstruct the slice image of the inspection site.
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