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Computer hardware consists of what?
control unit, keyboard and mouse, display monitor and disk
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Which of the following is used as the host computer in CT?
minicomputer
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the logical step in digitalizing a picture are?
scanning, sampling and quantization
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the division of a picture into small square regions called pixels are referred to as?
scanning
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A matrix?
consists of rows and columns, contains pixels, can be used to provide an "address" for a pixel within it
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T/F: Two important characteristic of the computers used in CT are large storage capacity and being fast and efficient?
true
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In digital image processing, a pixel is ?
a picture element
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In quantization?
each pixel is assigned an integer (o, a positive or negative number called a gray scale)
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what is associated with analog quantities?
speed, pressure, temp
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what is used in the conversion from an analog signal to a digital signal?
ADC
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Image digitization is done by?
digitizer
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A 128 x 128 matrix would have how many pixels?
16, 384
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During quantization, the value
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