The Synergy of Crash Data Retrieval and Call Detail Records
The combined power of Crash Data Retrieval (CDR) and Call Detail Records can be instrumental in providing crucial insights regarding the cause of the collision for reconstruction engineers. CDR technology…
Summer is Over and Days are Getting Shorter
Summer is over and with that, the amount of daylight each day will start to get noticeably shorter. In the Philadelphia area, we experienced 15 hours of daylight on the…
“Right to Repair”: Digital Disparities
The phrase “Right to Repair” refers to any legislation concerning consumers’ rights to repair digital devices, ranging from cell phones to vehicles. This article explores the broader questions raised by…
iPhone Crash Detection and Collision Reconstruction
Apple’s iPhone 14 has a new feature called crash detection. This feature is designed to detect when a user has been involved in a car accident and assist in alerting…
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…
How Bicycle-Friendly is Your Neighborhood?
May is National Bicycle Safety Month, which is an appropriate time of the year to remind riders of best practices as they bring their bicycles out of winter storage to…
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…
Sunny Delight? Grades Do Matter When Driving
Previously, I was picking up a morning coffee, when I “ran into” a bit of a sun glare situation. More recently, I was doing a little pre-work, holiday shopping and…
Sun Glare and the Circle Game … 180 Degrees Makes All the Difference!
Speed from video, tractor-trailer off-tracking, and sun glare are topics I enjoy writing about the most. Sun glare is the topic of choice this time around. Recently, I picked up…
