Specifications

vii
LIST OF FIGURES
Figure 2.1. Video recording system prototype ................................................................................3
Figure 3.1. Calibration markers placed 10 feet apart.......................................................................5
Figure 5.1. A map showing four intersections chosen for study on Bissell Road.........................10
Figure 5.2. A collision diagram (1995-2005) of U.S. 69 and 190th and a corresponding video
frame ..................................................................................................................................11
Figure 5.3. Velocity profile of a vehicle coming to a complete stop.............................................12
Figure 5.4. Velocity profile of a vehicle failing to stop.................................................................13
Figure 5.5. Velocity profile of a vehicle in the far lane.................................................................13
Figure 5.6. Average velocity histogram for all object tracks.........................................................14
Figure 5.7. Multiple absolute velocity profiles..............................................................................14
Figure 6.1. TDAA master dialog box ............................................................................................16
Figure 6.2. Capture options dialog.................................................................................................17
Figure 6.3. Choose project dialog..................................................................................................17
Figure 6.4. Choose dialog—project selected.................................................................................18
Figure 6.5. Video source selection dialog......................................................................................18
Figure 6.6. Video source from Digital Video (DV) file selected ..................................................19
Figure 6.7. Digital video file dialog...............................................................................................19
Figure 6.8. DV file selection dialog...............................................................................................20
Figure 6.9. Frame extraction dialog...............................................................................................20
Figure 6.10. Starting frame extraction...........................................................................................21
Figure 6.11. Checking the number of frames extracted from DV .................................................21
Figure 6.12. Video source from individual images previously extracted from DV ......................22
Figure 6.13. Image location dialog................................................................................................22
Figure 6.14. File dialog for choosing a starting file for extraction................................................23
Figure 6.15. Image location dialog with image prefix and path indicated ....................................23
Figure 6.16. Video Source from DV acquired directly from DV capable camera ........................24
Figure 6.17. Setup Camera panel—connect camera......................................................................24
Figure 6.18. Find Starting Frame panel—rewind or fast forward camera.....................................25
Figure 6.19. Capture Video panel—start the video data transfer ..................................................25
Figure 6.20. Digital video capture progress dialog........................................................................26
Figure 6.21. Frame Extraction dialog for direct DV camera input................................................26
Figure 6.22. Playing a selected video from the Capture Options dialog .......................................27
Figure 6.23. Video replay dialog ...................................................................................................27
Figure 6.24. Data analysis dialog...................................................................................................28
Figure 6.25. Object detection parameter dialog.............................................................................28
Figure 6.26. Background selection dialog .....................................................................................29
Figure 6.27. Selecting upper-most boundary (limit) for object detection .....................................29
Figure 6.28. Upper-most area shaded in gray................................................................................30
Figure 6.29. Lower-most area shaded in gray ...............................................................................30
Figure 6.30. Selection of background image without vehicles......................................................31
Figure 6.31. Selection of first frame for processing ......................................................................31
Figure 6.32. Selection of last frame for processing.......................................................................32
Figure 6.33. Detecting objects in video.........................................................................................32
Figure 6.34. Object detection completed.......................................................................................33
Figure 6.35. Review results dialog for object detection step.........................................................33