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Interview Question

Software Development Engineer Interview Mountain View, CA

How would you analyze a video clip to determine if it was

  shot by an amateur or a professional?
Answer

Interview Answer

1 Answer

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An amateur most likely does not have a steady hand. You can compare consecutive timeframes, analyzing the difference between images. This probably needs to be done globally, since a movie scene of an explosion would also satisfy this property locally in time. You could develop a series of measures of difference between two frames, compute the average and standard deviation for each measure, and make a classifier (SVM?)

somebody on Jul 16, 2010

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