Passenger flow counting and event analysis method for video monitoring of pedestrians in overlooking mode

Passenger flow counting and event analysis method for video monitoring of pedestrians in overlooking mode

  • CN 103,559,478 A
  • Filed: 10/07/2013
  • Published: 02/05/2014
  • Est. Priority Date: 10/07/2013
  • Status: Active Application
First Claim
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1. overlook the triggering of passenger flow monitoring system, adopt moving image detection to trigger, utilize video frame-to-frame differences method to calculate the variation of scene, the gray level image of setting video consecutive frame subtracts each other to obtain the poor figure Im of frame n, i.e. Im n=Im (n)-Im (n-1), n represents the ordinal number of present frame, and Im (n) represents present frame gray level image, and Im (n-1) represents previous frame gray level image;

  • If any present frame and previous frame content, change and change meet certain requirements (as detected with previous frame variable quantity, surpassing 1%), just triggering the detection of overlooking pedestrian.

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