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Home » Method Calls (v5.0)

Accessor Functions Requiring DIFFERENCE

#python
self.subscription.subscribe(playmotion.SERVICE_DIFFERENCE)

float VisionInput::getScalarDifference()
Returns a normalized difference between the current and previous frames of the input filtergraph's terminal.

See also:

  • Calibrate: Difference Service Visualization
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User Manual

  • Functions for Management of Vision Processing
  • Accessor Functions Not Requiring Any Service
  • Accessor Functions Requiring FEATURETRACKING
  • Vision Subscription
  • Accessor Functions Requiring DIFFERENCE
  • Accessor Functions Requiring DISTTRANSFORM
  • Accessor Functions Requiring EDGENORMALS
  • Accessor Functions Requiring HOUGHLINES
  • Accessor Functions Requiring HUMANS
  • Accessor Functions Requiring MOMENT
  • Accessor Functions Requiring MOTIONRECOGNITION
  • Accessor Functions Requiring TEXTURES
  • Functions to convert between Vision Space & World Space
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