Image and Data Storage in Medical and Satellite Imagery
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Questions and Answers

What is the approximate size of a low-resolution, TV quality, color video image in megabits?

  • 1.3 Mb
  • 360 Mb
  • 221 Mb
  • 6.3 Mb (correct)

What is the resolution of a 14 X 17 inch radiograph scanned at 70 micron in pixels?

  • 3000 X 2000
  • 640 X 480
  • 6000 X 6000
  • 5000 X 6000 (correct)

What is the approximate size of a LANDSAT Thematic Mapper scene in megabits?

  • 1700 Mbits (correct)
  • 144 Mbits
  • 360 Mbits
  • 6.3 Mbits

What is the data rate of HDTV in megabits per second?

<p>1300 Mb/s (C)</p> Signup and view all the answers

What is the primary technology that enables compression of images and video data?

<p>Computers and digital communication (C)</p> Signup and view all the answers

What is the purpose of standards bodies in the context of image and video compression?

<p>To establish standards for image and video compression (D)</p> Signup and view all the answers

What is the compression ratio of JPEG?

<p>0.25-2 bits/pixel (B)</p> Signup and view all the answers

What type of radiograph has a resolution of 5000 X 6000 pixels?

<p>14 X 17 inch radiograph (B)</p> Signup and view all the answers

What is the primary reason for the need for compression in image and video data?

<p>The gap between available bandwidth and the required bandwidth (B)</p> Signup and view all the answers

What is the data rate of CIF (Videoconferencing) in megabits per second?

<p>75 Mb/s (B)</p> Signup and view all the answers

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