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Dot Physics

What happens when you take some basic, introductory physics and apply them to cool things you see? Dot Physics happens. This blog looks at movies, experiments, demos and other topics typically aimed at the introductory physics level.

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allain_pic4.jpg Rhett Allain is an Associate Professor of Physics at Southeastern Louisiana University. He enjoys teaching and talking about physics. Sometimes he takes things apart and can't put them back together.

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« Physics of Parkour, or how to run up a wall | Main | Giant water slide jump »

Video Analysisability Score for videos

Category: physicsvideo analysis
Posted on: August 5, 2009 12:43 PM, by Rhett Allain

I keep saying the same stuff over and over when it comes to analyzing videos. I can't immediately find a post that lists what makes a video acceptable for analysis, so I will just reproduce on here. I will give 1 point for each of the following that the video has:

  • Stationary camera and background
  • Camera does not zoom
  • Motion perpendicular to the camera
  • You can see the object in every frame (nothing obscuring the motion)
  • Interesting physics content
  • Downloadable (some videos I can't "get off the web")
  • No repeating frames
  • Not badly interlaced (or would that be deinterlaced - I get confused)

This gives a max score of 8 points. I think it would be best to just apply this to a select portion of a video (not necessarily the whole thing). I will call this the VAS.

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