Draw a camera and an infrared illuminant into each of these two tables, so that they allow the table to work as suggested by the respective label.

  • Diffuse Illumination: (2 credits)
  • Frustrated Total Internal Reflection: (2 credits)
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  • URL:
  • Language: English
  • Subjects: Human-computer interaction
  • Type: Draw
  • Duration: 12min
  • Credits: 4
  • Difficulty: 0.4
  • Tags: multi-touch
  • Note:
    HPI, HCI, 2009/2010 midterm exam, question 35
  • Created By: adius
  • Created At:
    2016-04-27 19:25:54 UTC
  • Last Modified:
    2016-04-27 19:25:54 UTC