Chairol Mohd Feroz, Kairil Fariq (2014) Vehicle tracking and speed estimation for traffic surveillance. Masters thesis, Universiti Tun Hussein Onn Malaysia.
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Abstract
Vehicle tracking is one of the critical applications of object detection and tracking. Traffic surveillance has become crucial in this day and age where the number of vehicles on the road has risen considerably. To preserve the safety of motorists, traffic law enforcement assign speed limits at different locations throughout the country. However, irresponsible motorists still exceed the speed limit since they know it is unlikely that they will get caught. In this paper, a system is developed which is capable of detecting moving vehicles in a video and display the vehicles speed as it goes. Should a vehicle exceed the allowed speed limit, it will be displayed in the video alongside the vehicle so that traffic law enforcers will be able to take necessary action based on the displayed speed. The system uses Matlab/Simulink as a simulation platform as it provides comprehensive tools for thresholding, filtering and blob analysis. Optical flow was the image processing technique used to determine the moving vehicles. A median filter was used to remove salt and pepper noise from the thresholded image. Combinations of several morphological operations were used to rectify whatever that is left. Blob analysis produces rectangles around the moving objects. The centroid of the rectangle is used to determine the location of each vehicle at a given frame. To make up for the absence of depth perception, the camera’s height and angle from the road is fixed so that the rate of which a vehicle approaches the camera can be determined. The results show that the system successfully detects vehicles and displays its speed, though there is a relatively small margin of error for the displayed speed. The displayed speed is set to only change once every couple of frames so that it would be easier to see.
| Item Type: | Thesis (Masters) |
|---|---|
| Subjects: | T Technology > TJ Mechanical engineering and machinery > TJ212-225 Control engineering systems. Automatic machinery (General) |
| Divisions: | Faculty of Electrical and Electronic Engineering > Department of Electrical Engineering |
| Depositing User: | Mrs. Sabarina Che Mat |
| Date Deposited: | 03 Oct 2021 07:55 |
| Last Modified: | 03 Oct 2021 07:55 |
| URI: | http://eprints.uthm.edu.my/id/eprint/1524 |
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