ICS week 12

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Author:
jo73
ID:
302332
Filename:
ICS week 12
Updated:
2015-05-07 21:47:08
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  1. Computer graphics
    • creation and manipulation of image data using computer models
    • coined first by william fetter
  2. modern computer graphics includes
    • hardware revolution
    • graphic subsystems
    • various input devices
    • many form factors
    • software improvement
  3. biometrics
    verify identity from images of fingerprints, retaina, faces
  4. computer vision is the inverse of computer graphics
  5. resolution is number of pixels
  6. resulting image will never be complete or exact reproduction of the original
    quality of the image depends upon the "dot" density
  7. how many different values can be represented in one byte?
    256
  8. Trichromatic Theory
    • three colors
    • primary colors of light: red green blue
    • monitors use the additive color space
    • printers use the subtractive color space
  9. RGB
    • Red Green Blue
    • additive color system: colors are created by adding components to black
  10. CMY
    • Cyan Magenta Yellow¬†
    • subtracts from white

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