Photography & Imaging Expert Witnesses

Sacramento, California

Video, Photography & Imaging - Visibility, Daytime Visibility, Nighttime Visibility, Visibility Study, Visibility Analysis, Human Factors, Video Analysis, Photography, Photo Analysis, Photogrammetry, Mapping, Visual, Drone, UAV, Aerial, GIS, Animation, Photomodeling, 3D, Lighting

Paul Jacobs provides animation and simulation services to aid in the understanding of complex events, as well as 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 Jacobs specializes in the visualization of forensic principles and the production of effective demonstrative exhibits that assist counsel in presenting complex, factual information in an understandable way, and provides supporting testimony. Paul specializes in visibility analysis. A visibility analysis documents 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 i...

Shelton, 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 Forensics, 3D Representation & 3D Graphics, Court Demonstratives, Speed & Height Calculations

Steve Kline is a seasoned video and digital media professional with over 32 years of experience in encoding, audio/video engineering, multimedia production, 2D/3D graphics, and live-streaming technologies. This deep technical foundation naturally evolved into a specialized focus in Video and Audio Forensics. Steve began assisting law enforcement, attorneys, and private security firms in 1996, applying his video expertise to criminal cases involving armed robbery, hit-and-run incidents, and homicides. His video assistance in a 2007 assault case and forensic involvement in Connecticut’s last death penalty case in 2009 marked the beginning of an ongoing collaboration with the Connecticut State Attorney’s Office. Since then, Steve has processed digital evidence in dozens of homicide cases, supporting both investigations and prosecutions. His objective, fact-based approach has earned him respect across the aisle—he is routinely hired by defense attorneys who have seen firsthand the qua...

Rochester, New York

Printing, Photography & Imaging - Printing, Photography, Imaging, Chemistry, Materials Science, Nanotechnology, Microscopy, Electronics, Flexographic Printing, Offset Lithography, Gravure, Inkjet, Screen Printing, Packaging Science, Graphic Media, Hyperspectral, Spectroscopy, Profilometry, Ink, Statistics

Bruce E. Kahn, Ph.D. is an expert witness, researcher, analyst, lecturer, author, and consultant. He has a diverse multidisciplinary background in many areas including functional printing (2D and 3D), additive manufacturing, advanced manufacturing, photography, imaging, inks, materials science, nanotechnology, and chemistry. He has been involved in functional printing and additive manufacturing since 2002, and nanotechnology since 1990. In addition to working with academic, commercial, legal and governmental organizations, he writes books, articles and reports, and conducts training sessions and workshops in the US, Europe, and Asia. In 2014, he received the Flexi award for technology leadership in education from the FlexTech Alliance. Dr. Kahn has served as an expert witness 5 times, including cases on environmental remediation (Superfund cleanup), patent infringement, trademark infringement, and patent invalidity. He has worked for both plaintiffs and defendants. He has been depo...

Falls Church, Virginia

Electrical Engineering, Photography & Imaging - Signal Processing, Image Processing, Video Processing, Optics, Imaging, Cameras, Sensors, Medical Imaging, Compression, Image Quality, Image Reconstruction, Image and Video Analytics, Magnetic Resonance Imaging (MRI), Patent Disputes, Patent Infringement, Deep Fake Detection, DeepFakes

Dr. Dagher’s Expert Witness experience spans the entire field of Imaging Systems, from the design of Optical & Sensor Systems to the research and development of Image and Video Processing and Analysis Algorithms. Dr Dagher has 5 year experience in depositions, writing reports & rebuttals, valuations, patents and intellectual property. Dr. Dagher has testified 5 times on topics ranging from Inter-Pares Patent disputes, patent infringement, personal injury and class-action lawsuits. Career highlights include: — More than 25 years of Research and Development experience in Imaging Science. Dr. Dagher is currently Director of Research & Development at a startup company in the DC area. — Formal education & decades of hands-on experience in Signal and Image Processing such as Image and Video Compression, Computer Vision, Image Enhancement, Image forensics, Image Analysis, Machine Vision, Image Reconstruction, Image Quality, Inverse Problems, Deep Fake Generation and Deep Fake Detecti...