Pendulum analysis for the video: video->report:video

Task description:"Prague

Parameters

Video

  • CV_CAP_PROP_FRAME_WIDTH: '640.0'
  • CV_CAP_PROP_FRAME_HEIGHT : '480.0'
  • CAP_PROP_FPS : '25.0'
  • CAP_PROP_FRAME_COUNT : '2047.0'
  • Original length:81 s

Computation

  • Date:17/11/2021 09:18( 0:00:03 )
  • From frame:700 (28.0 s) to frame:2045 (81.8 s)
  • Calibration:1000.0 pixels/m
  • mass: 2 kg
  • pendulum length: 2.8415 m
  • g:9.81049 m/s^2
  • Expected period: 3.38 s (without friction)
Position in timeVelocity in time

Phace spacePlane of oscillation
EnergyAcceleration


* Command line execution: python3 pendulum_tracking.py bash pendulum_tracking.sh ../Videos/Prague/201021_60s/video.avi WP_Prague_50s 700 2045 1000 2 2.8415 9.81049 "Prague pendulum zoom to start from frame #700"
* Data (No,frame,time,x,y,r,vx,vy,v)
* Directory with all the stuff