CS147-2009-InfoDesign

CS147-2009-InfoDesign - stanford hci group Video...

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Unformatted text preview: stanford hci group Video Prototyping in HCI CS147 Tutorial 10/22/09 Abel Allison 2 Outline Why prototype? Tools & Techniques Demo iMovie 2 3 What is a video prototype? shows your System in Context 3 4 Big budget not required (Show Lisa Seeman video) 4 5 System A paper prototype 5 from flickr: dan gavie 6 System A paper prototype A physical prototype 6 from flickr: Telstar 7 System A paper prototype A physical prototype An on-screen mockup 7 from flickr: jcraveiro 8 Context Who (is the user)? What (are they doing)? When (in their day does this fit in?) Where (are they sitting/standing/working/ playing)? How (is your system helping them with their task)? 9 Tradeoffs 10 In other words... 11 But... You should budget ~1 hour per minute of video Its easy to fiddle for a long time 11 12 Some Tips 12 13 How to light from http://www.exposure.co.uk/eejit/light/ 13 14 How to light Fill lighting Bounce off a surface (softens shadows) Key lighting Main light, shine at angle on subject Back lighting Optional, especially for video prototypes (helps separate from background) 14 15 Short version for you Light more than you think you need Use a room lamp to either shine on subject, or bounce off a white surface to help fill in shadows 15 16 Audio If possible, use an external microphone Avoid tape noise!...
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This note was uploaded on 01/12/2010 for the course CS 147 at Stanford.

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CS147-2009-InfoDesign - stanford hci group Video...

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