Video Analysis Expert Witnesses

Video, Animations - Photogrammetry, Video Analysis, 3D Scene Reconstruction, Forensic 3D Analyst, Videogrammetry, Laser Scanning, Body worn camera, Video reenactments, Virtual Reality, Shooting reconstruction, Reverse Camera Projection, Onsite Photogrammetry

Mr. Terpstra is a partner at Kineticorp, a forensic engineering and visualization company located in Denver, Colorado. Mr. Terpstra specializes in photogrammetry, video analysis and 3D site reconstruction. He has testified in state and federal courts on civil and criminal matters, and has been retained by plaintiff, prosecution, and defense counsel. He has published peer reviewed publications with the Society of Automotive Engineers (SAE) and the Acoustical Society of America (ASA), the American Academy of Forensic Sciences (AAFS), and the Association for Crime Scene Reconstruction (ACSR), in the areas of reverse camera projection, onsite photogrammetry, lens distortion correction, photo-scanning, camera-matching photogrammetry, 3D scene reconstruction, LiDAR, virtual reality, videogrammetry, and acoustics. Mr. Terpstra also serves as a peer reviewer for research papers in the Occupant Protection: Accident Reconstruction Session for the SAE World Congress, for the Association of for...

Accident Reconstruction, Mechanical Engineering - MOT, Temporary Traffic Control, Construction zone, Heavy vehicle, Commercial vehicle, Headlight and lighting analysis, Infotainment data analysis, Visibility and photometric analysis, Vehicle EDR black box analysis, Human factors analysis, Video analysis, Drone Pilot. Working from Sarasota, FL.

As an engineer, Mr. Barshinger applies the principles of design, analysis, testing, and safety to forensic evaluations involving traffic accident investigation and reconstruction. His professional background includes mechanical engineering positions in the manufacturing and consulting industries. His manufacturing experience includes assembling and testing electronic components and various products. Mr. Barshinger has been involved in product defect allegation cases involving a wide range of products. He has received specialized training in accident reconstruction and traffic collision investigation. His training also includes preserving and analyzing data stored in vehicles such as airbag modules, engine control modules, GPS, and infotainment systems, as well as video footage analysis from various sources. He conducts vehicle accident and mechanical component investigations for clients throughout the southeast United States. Mr. Barshinger has also reconstructed crashes involving c...

Podiatry, Foot & Ankle Surgery - Clinical Gait Analysis, In-Shoe Pressure Analysis, Video Analysis, Foot Surgery, Ankle Surgery, Foot Injury, Foot Ankle Malpractice, Infection, Ankle, Diabetes, Orthopedic, Hammertoe, Bunion, Lower Limb Injury, Personal Injury, Motor Vehicle Foot Ankle Injury, Gait Abnormality, Back Hip Knee Pain

Dr Williams is board certified in foot surgery by the American Board of Foot & Ankle Surgery, and has been in practice for 31 years providing state of the art Foot and Ankle surgical and conservative care. He provides regular care for professional and high level collegiate athletes both individually and at the team level. Dr Williams has 23+ years of experience providing gait and video analysis for patient's suffering from foot, ankle, knee, hip and low back pain issues that are primarily caused by and exacerbated by poor foot function. This experience has benefitted many of Dr Williams legal personal injury clients, helping to secure a $6 million dollar settlement in one case, and significant increases in settlements for all of the other cases he has consulted on. Dr Williams and Breakthrough Sports Performance provide legal consultation, expert witness, IME and Gait analysis for personal injury, worker’s compensation, and malpractice cases. Providing thorough physical examin...

Podiatry, Foot & Ankle Surgery - Clinical Gait Analysis, In-Shoe Pressure Analysis, Video Analysis, Foot Surgery, Ankle Surgery, Foot Injury, Foot Ankle Malpractice, Infection, Ankle, Diabetes, Orthopedic, Hammertoe, Bunion, Lower Limb Injury, Personal Injury, Motor Vehicle Foot Ankle Injury, Gait Abnormality, Back Hip Knee Pain

Dr Williams is board certified in foot surgery by the American Board of Foot & Ankle Surgery, and has been in practice for 31 years providing state of the art Foot and Ankle surgical and conservative care. He provides regular care for professional and high level collegiate athletes both individually and at the team level. Dr Williams has 23+ years of experience providing gait and video analysis for patient's suffering from foot, ankle, knee, hip and low back pain issues that are primarily caused by and exacerbated by poor foot function. This experience has benefitted many of Dr Williams legal personal injury clients, helping to secure a $6 million dollar settlement in one case, and significant increases in settlements for all of the other cases he has consulted on. Dr Williams and Breakthrough Sports Performance provide legal consultation, expert witness, IME and Gait analysis for personal injury, worker’s compensation, and malpractice cases. Providing thorough physical examin...

Accident Reconstruction, Transportation - Autonomous Vehicles, Distracted Driving, Motorcycle Collisions, Collision Reconstruction, Low-Speed Impacts, Nighttime Visibility, Perception-Reaction Time, Roadway Design, Rollover, Speed Analysis, Tractor-Trailer Collisions, Automotive Engineering, Event Data Recorder, Infotainment, Video Analysis

Justin earned his undergraduate degree from Northwestern University and his master’s and doctorate degrees in Civil Engineering from The George Washington University (GW). His education has continued through the completion of specialized training in Collision Reconstruction, Event Data Recorders and Infotainment. Still, after completing nearly 25 years of formal education, Justin will tell you that his most valuable training comes from a lifetime of education provided by his father and grandfather – both of whom were industry leaders in Collision Reconstruction. As an active member of the academic research community, Justin has published four peer-reviewed journal articles and eight refereed conference papers in the field of transportation safety and driver behavior. He continues to serve as an adjunct professor and the lead researcher at the Vehicle Instrumentation and Driver Simulation Laboratory at GW. Over the last five years, Justin has brought his love of education to th...

Video, Audio - video forensics, video enhancement, video analysis, forensic video, audio forensics, audio enhancement, audio analysis, forensic audio, voice forensics, voice enhancement, image forensics, image enhancement

Principle Forensics is a national media forensics laboratory. We recover, authenticate, enhance, and analyze all types of recorded evidence, including video, audio, and digital images. And we back all our work with experienced, highly trained, expert testimony. Nick Barreiro, BAC, AVFA, DIVRT, is a certified Audio Video Forensic Analyst and the founder of Principle Forensics.  He is an FBI-trained member of the Digital Imaging and Video Recovery Team.  Mr. Barreiro works with attorneys representing plaintiffs and defendants in civil or criminal matters in which audio, video, or image evidence plays a key role.  He has extensive experience on the witness stand and has enhanced and analyzed digital media from simple slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings.  He has testified 100s of times in criminal cases, civil cases, arbitrations, and depositions. Mr. Barreiro holds a bachelor’s degree in Communic...