deletions | additions       diff --git a/Methodology Video Data.tex b/Methodology Video Data.tex  index e02ca3b..7ad5b8d 100644  --- a/Methodology Video Data.tex  +++ b/Methodology Video Data.tex 
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\begin{itemize}  \item \textbf{Parallax error} is mitigated by maximising the subtending angle between the camera and the height of tracked objects. In practical terms this requires a high view or ideally a bird's eye view, tracking objects with a small height to base ratio. Passenger cars are generally more forgiving in this respect than trucks or pedestrians.   \item \textbf{Pixel resolution} determines measurement precision. Objects further away from the camera experience lower tracking precision than objects near the camera. Error due to pixel resolution is mitigated by placing study areas nearer to the camera and using high-resolution cameras, although increases in resolution offer diminishing returns of tracking distance.   \item Finally, \textbf{tracking errors} may occur with scene visibility issues or due to limits with current computer vision techniques. These erroneous observations have to be rejected or reviewed manually.[CITE]  \end{itemize}  Depending on the steps taken to minimize tracking areas, feature-based tracking functions best over study areas of 50-100m in length with high-to-medium speed, low-to-medium density flows.