Photogrammetry Expert Witnesses

Photogrammetry expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on photogrammetry. The photogrammetry expert witness listings on this page are typically from fields/areas of expertise such as: Accident Reconstruction, Animations, Biomechanics, Engineering, Human Factors, Land Surveying, Photography & Imaging, Products Liability, and Video.

Mohammad Atarod, PhD, PE Atarod Biomechanics Laboratories

Irvine, California
Biomechanics, Accident Reconstruction - Accident Reconstruction, Biomechanical Analysis of Injury, Premises Liability, Slips/Trips and Falls, Crash Data Retrieval, Heavy Vehicle EDRs, Blackbox Download, Photogrammetry, Computer Simulations, Failure Analysis, Human Factors, Laboratory Testing, 3D Laser Scanning, Expert Witness Testimony
I am a Senior Biomechanical Engineer and Accident Reconstructionist. I am registered as a professional mechanical engineer (PE) in California, Nevada and Colorado. I specialize in accident reconstruction, injury biomechanics and injury mechanism/causation analysis. I works on cases across the country, analyzing injuries in automotive collisions, industrial accidents, workers compensation claims, premises liability claims, slip/trip and falls, and sport/recreation accidents. I have provided litigation support to insurance companies, law firms, and automotive manufacturers/industries over the past 10+ years. Technical Areas of Specialization: - Biomechanical Analysis of Injury - Accident Reconstruction - Premises Liability; Slips/Trips and Falls - Crash Data Retrieval; Heavy Vehicle EDRs - Photogrammetry and 3D Computer Simulations - Vehicle Systems Analysis Services: - Accident Reconstruction - Biomechanical Analysis of Injury - Premises Liability; Slips/Trips and Falls - Crash Dat...

Christopher Curtis, PLS, Geomatics Engineer CBC Geospatial Consulting, Inc.

Sacramento, California
Land Surveying, Engineering - Aerial Photo Analysis, Mapping, Explosions, Fire Origin & Cause Investigations, Forensic Engineering, Geographic Information Systems - GIS, High Definition Surveying (HDS), Highway Sight Distance, 3D Laser Scanning, LiDAR, Geomatics, Photogrammetry, Visibility Studies, Wildfires, Wildland Fires
Mr. Curtis has more than 30 years of experience in land surveying and geomatics engineering. For nearly 20 years, Mr. Curtis has been retained by law firms, insurance companies, the California Office of the Attorney General, and the U.S. Attorney’s Office to provide professional surveying and mapping, expert witness, and litigation consultant in civil and criminal matters related to wildfires, wildland fire origin and cause investigations, explosions, highway sight distance incidents, workplace injury, catastrophic injury, and wrongful death. As a geomatics engineer, Mr. Curtis has provided project delivery support (GPS control, conventional surveying, photogrammetric mapping, raster imaging, landnet boundary resolution, right of way engineering, and GIS) on projects domestically and abroad. Mr. Curtis’ responsibilities include the supervision and direction of production staff and subconsultants on a project/task basis, cost estimating and scoping, collection, processing, and ana...

Jason C Fries 3D Forensic, Inc.

San Francisco, California
Accident Reconstruction, Human Factors - Nighttime Visibility, Line-of-Sight Analysis, Driver's Perspective Animation, 3D Video Reconstruction, Use-of-Force Reconstruction, Officer-Involved Shooting Reconstruction, Use-of-Force Human Factors, Ballistic Trajectory Analysis, Photogrammetry, Laser Scanning, Forensic Animation
Jason C. Fries is the CEO and lead forensic expert of 3D Forensic, Inc. He has worked on forensic analyses and productions since 1997 and has since become one of the most reputable forensic voices in the industry. Fries’s innovations in multiple forensic specialties have enabled 3D Forensic to offer some of the most comprehensive services in the nation. Fries developed his forensic prowess through research in use-of-force incidents at the Force Science Institute, completing the Advanced Specialist certification. He also graduated from San Diego State University with a BS in Biology and focuses in Physics and Chemistry. Throughout his years as CEO of 3D Forensic, Jason has successfully infused forensic testimony, visualization, and analysis to the company’s casework, earning the trust and recognition of California and the nation’s most influential attorneys. He has written numerous pieces for forensic and legal publications including Forensic Magazine, Claims Magazine, Internationa...

Paul W Jacobs Paul Jacobs Forensic Imaging and Analysis

Sacramento, California
Video, Accident Reconstruction - Visibility, Daytime Visibility, Nighttime Visibility, Visibility Study, Visibility Analysis, Video, Video Analysis, Photography, Photo Analysis, Photogrammetry, Mapping, Visual, Drone, UAV, Aerial, GIS, Animation, Photomodeling, 3D, Audio, Enhancement, Authentication, Lighting, Human Factors
Paul Jacobs provides forensic photography, video and technical services for controlled event reenactments, especially as related to daytime and nighttime visibility. Paul works in collaboration with counsel, accident reconstruction, human factor, and other specialized experts to fairly and accurately reconstruct incidents for fact finding, documentation and evidentiary purposes. Paul specializes in conducting and documenting visibility studies. A visibility study is the assessment and accurate recording, processing, and presentation of still or motion images, typically of a daytime or nighttime scene. A visibility study is meant to document the ability of an event participant’s ability to visually detect a stimulus. Daytime, nighttime, and low light visibility studies use photographic, video and metric data capture of controlled tests to document scene elements impacting visibility such as: lighting, contrast, glare, occlusions, conspicuity and anomalies. Upon leaving a career in ...

Toby Terpstra J.S. Held

Greenwood Village, Colorado
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, Use of Force, Surveillance, Body-Worn Cameras
Mr. Terpstra is a Senior 3D Analyst at J.S. Held and 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 more than 20 peer-reviewed publications with the Society of Automotive Engineers (SAE), 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 SAE, ACSR, and the Association of Firearm and Tool Mark Examiners (AFTE). He is a certified Forensic Video Technician through the Law Enforcement and Emergency Services Video Association Internationa...

Steven G. Kline Pixel Analysis, LLC

Trumbull, Connecticut
Video, Photography & Imaging - Forensic Video Analysis, Image Clarification, Security Video, Surveillance Video, Cell Phone Video, Photogrammetry, Reverse Projection, Video Production, Day in the Life Video, Drone Video & Drone Photography, Digital Media, 3D Representation & 3D Graphics
Steve Kline has worked as a video and digital media professional since 1994, dealing with encoding, audio and video engineering, production, multimedia and 2D/3D graphics, and live streaming technologies. This has laid a strong foundation and natural bridge for his work in Video & Audio Forensics. Steve began aiding police, lawyers, and private security firms in 1996 - adding video expertise in armed robbery, hit and run, and homicide cases. In 2007 Steve worked CT's last Death Penalty case which started a long working relationship with the CT State Attorney's Office. Since 2007, Steve has worked on dozens homicide cases, processing video for both investigations and prosecutions. Through this work, he gained respect from both sides of the case, being hired by defense attorneys for some of their subsequent cases. Steve prides himself on finding hidden information that many overlook. This often stems from precise processing for image enhancements to gain the best quality, whil...

Adam K Aleksander, PhD, PE, CSP Aleksander & Associates P.A.

Boise, Idaho
Human Factors, Products Liability - Warnings, Labels, Reconstruction, Visibility, Failure Analysis, Forensic Engineering, Defects, Photogrammetry, Metallurgy, Human Factors, Ergonomics, Construction, OSHA, Safety Engineering, Product Liability, Equipment Failures, Industrial Accidents, Power Utility Accidents, Insurance Claims
Specific Cases: Go cart nip point fatality, washing machine amputation, amputations in punch presses, hydro-pneumatic tank explosion, agricultural truck amputation, airport conveyors, biscuit cutter, amusement rides, water-jet fatality, slips & trips, lead rope snap, exercise machine failures and injuries, document burn injuries, folding chair collapse, concrete anchor system, nail gun injury, prosthesis bolt failure, steam iron electrocution, pool light burn, design of warnings and instructions, ATV rollover, automotive failures and crash related phenomena, measurement of ECDs (TASER®) Farm equipment, failed engines, mining conveyors, power plant systems, belt conveyors, potato processing system, sewer line, tire shredder processing analysis, failed brake die, failed conveyor bearing, RV axle repair failure, trailer suspension system failure, trailer separation, dump truck telescoping cylinder failure, brake system, headlight filament analysis, service station gasoline tank leak, b...

Jason C Fries 3D Forensic, Inc.

Nevada
Accident Reconstruction, Human Factors - Nighttime Visibility, Line-of-Sight Analysis, Driver's Perspective Animation, 3D Video Reconstruction, Use-of-Force Reconstruction, Officer-Involved Shooting Reconstruction, Use-of-Force Human Factors, Ballistic Trajectory Analysis, Photogrammetry, Laser Scanning, Forensic Animation
Jason C. Fries is the CEO and lead forensic expert of 3D Forensic, Inc. He has worked on forensic analyses and productions since 1997 and has since become one of the most reputable forensic voices in the industry. Fries’s innovations in multiple forensic specialties have enabled 3D Forensic to offer some of the most comprehensive services in the nation. Fries developed his forensic prowess through research in use-of-force incidents at the Force Science Institute, completing the Advanced Specialist certification. He also graduated from San Diego State University with a BS in Biology and focuses in Physics and Chemistry. Throughout his years as CEO of 3D Forensic, Jason has successfully infused forensic testimony, visualization, and analysis to the company’s casework, earning the trust and recognition of California and the nation’s most influential attorneys. He has written numerous pieces for forensic and legal publications including Forensic Magazine, Claims Magazine, Internationa...

Victor E. Holloman, PE VICTOR E. HOLLOMAN CONSULTING

Missouri City, Texas
Accident Reconstruction, Biomechanics - Accident reconstruction, Biomechanics, Event Data Recorder (EDR) Analysis, Engine Control Module (ECM) Analysis, Low speed analysis, Site survey, Vehicle damage analysis, Photogrammetry, Acceleration force analysis, Delta-V determination, Momentum analysis, Lane change analysis
Registered professional engineer with extensive training in accident reconstruction and biomechanics, including traumatic brain injury, acceleration, force analysis, crash scene investigation, crash data retrieval data analysis. As a registered professional engineer with an excellent background in accident reconstruction and biomechanics, Mr. Holloman has performed accident reconstruction for over twenty-five years. Over the past several years Mr. Holloman has worked a number of commercial vehicle (18 wheeler) cases involving automobiles and pickup trucks and provided computer renderings of accident scenarios and time/distance analysis. His consulting specialties are commercial (18 wheeler), private vehicle and forklift accident reconstruction, biomechanics, fatigue failure analysis, mechanical failure analysis, and machine tools failure analysis. Mr. Holloman also has trial and deposition testimony experience, having testified in trial or deposition in over 25 cases. Mr. Holloman...