Videogrammetry: Extracting Temporal Spatial Data for 3D Reconstruction
To establish the position of vehicles in space and time, two-dimensional features captured in surveillance video are reprojected to their three-dimensional locations using high density laser scan data. While surveillance…
Engineering Animation: Accident of 18-Wheeler and Red Sedan
Our Engineering Animations team at DJS Associates, Inc., followed methodical steps to accurately reconstruct the events that lead to an accident between an 18-wheeler and the red sedan depicted in…
Life in the Fast, Rectilinear Lane
Surveillance videos often distort what they capture, making the recorded events difficult to analyze with an untrained eye. Such distortions will make otherwise geometric straight lines and edges look unnaturally…
Understanding Train Accidents Through Engineering Animations
Hugh B. Borbidge, BSME, Director of Engineering Animations :::: Lately, it seems that the news has reported on an increase in train accidents. They can be classified into two main…