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2D Input Devices

TV Camera or Vidicon Tube

A first choice for a two-dimensional image input device may be a television camera -- output is a video signal:

This form of device has several disadvantages.

Limited resolution
-- finite number of scan lines (about 625) and frame rate (30 or 60 frames per second)

CCD Camera

By far the most popular two-dimensional imaging device is the charge-coupled device (CCD) camera.

tex2html_wrap_inline2984 David Marshall 1994-1997