Card Set Information
CT TEST 1
Computer hardware consists of what?
control unit, keyboard and mouse, display monitor and disk
Which of the following is used as the host computer in CT?
the logical step in digitalizing a picture are?
scanning, sampling and quantization
the division of a picture into small square regions called pixels are referred to as?
consists of rows and columns, contains pixels, can be used to provide an "address" for a pixel within it
T/F: Two important characteristic of the computers used in CT are large storage capacity and being fast and efficient?
In digital image processing, a pixel is ?
a picture element
each pixel is assigned an integer (o, a positive or negative number called a gray scale)
what is associated with analog quantities?
speed, pressure, temp
what is used in the conversion from an analog signal to a digital signal?
Image digitization is done by?
A 128 x 128 matrix would have how many pixels?
During quantization, the value