Biomechanical Injury Analysis
with 3D Model
Case Summary: A high school football player incurred a spinal cord injury at the C3-C4 level when he went headfirst into a defender during a tackle. The plaintiff claimed that…
Applying 3D Analysis to a Sport’s Injury
To better understand the cause of a sports injury, reverse projection photogrammetry analysis was used to establish the movements of two football players through space and time. Utilizing video footage…
Tire Marks and Post-Impact Trajectory
Laurence R. Penn, CVFT, Senior Forensic Animation/Video Specialist When analyzing surveillance video for accident reconstruction, all sorts of evidence can be captured in the recording – some of it easily…
Where the Lamp-Post Falls
Laurence R. Penn, Senior Forensic Animation/Video Specialist :::: An old residential lamp post, weakened by a recent storm, fell unexpectedly and damaged two vehicles parked below. The owner of…
Photogrammetric Reconstructions
Jon W. Adams, Licensed FAA Drone Pilot and Director of Architectural and Heritage Services at DJS Associates, Inc., became certified in Pix4D, a professional drone mapping and photogrammetry software application.…
DJS Updates PC-Crash Software to the Latest Version (10.2), Acquires Additional License.
PC-Crash is a physics-based collision and trajectory simulation program used in the field of collision reconstruction. Additionally, DJS has the most current version of PC-Rect (4.2). PC-Rect is a photo…
Photography: A Viable Measurement-Gathering Technique
Over the past few years, several software companies have been focused on advancing the ability of generating rich, reliable measurement data utilizing digital imagery. This methodology, also known as photogrammetry,…
