Digital Imaging Expert Witnesses

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Digital imaging expert witness candidates need substantive expertise and extensive experience, as well as possess the ability to explain video evidence, digital evidence, or electronic evidence to a judge and jurors. A digital imaging expert witness could provide expertise in intellectual property matters, such as a patent litigation case, a trade secret dispute, or a proceeding in the International Trade Commission (ITC). An expert in digital imaging technology might also provide testimony in a torts matter like a product liability, or a medical malpractice case. A forensic expert can reverse engineer components and digital evidence to prove (or disprove) intellectual property infringement, theft, or cyber crime.

Expert witness services by a digital imaging expert witness could include an imaging study, forensic analysis, expert opinion, expert report, and courtroom testimony. In a high-profile case, or litigation involving a significant financial stake, a law firm may request a digital imaging professional with prior expert witness testimony experience. In addition, clients may seek a digital imaging industry expert for pre-litigation consulting work.

On behalf of a plaintiff or defendant, law firm clients frequently call on Cahn Litigation Services to locate digital imaging expert witnesses to support litigation. Cahn Litigation Services reviews each project in detail, and works with the attorney team to have a comprehensive understanding of the attributes of the case and the ideal expert(s) required to support it. Whether the case involves:

• medical imaging (i.e., radiology)
• digital forensics,
• signal processing,
• image enhancement,
• cybersecurity,
• digital image processing,
• digital image compression, or
• a video recording,

Cahn Litigation Services has the experience required to turn an expert witness search around quickly. The firm has an earned reputation for providing candidates with the right balance of expertise and testimony to support each project and it nuances.

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Digital Imaging Expert Witness - Representative Bios

Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.

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The below expert witness bios represent a small fraction of those Digital Imaging experts known by Cahn Litigation Services. These bios are provided to give lawyers a sense of the Digital Imaging landscape.

• Expert Witness #263714

  This expert holds an MS in Engineering and serves as President and CTO for a highly sought-after consultancy. This expert specializes in Electronic Imaging Systems, Electronic & Wireless Transfer Systems, Hardware & Software Development, and Product Development & Enhancements.

  This expert is very familiar with the systems used for the capture and transfer of video/images and their wireless transfer. This expert served in several technical and management roles for a public company including Research Scientist, Chief Engineer, and Program Manager all dealing with digital imaging and Advanced Digital Camera operations. As such, this expert was hands-on with efforts regarding:

  -  defining, and performing R&D projects focused on hybrid imaging systems

  -  the design and programming of DSP-based image processing solutions requiring multiple DSPs

  -  leading a team of engineers that developed a USB digital video camera. This video camera was capable of streaming video at one (lower) resolution, while also supporting the transfer of a second (higher) resolution image under the control of the host computer. This expert has several patents as a result of the development of this product. This expert later led a digital camera advanced development group that deployed numerous new product features including simultaneous (low res) video preview, compression and (hi res) capture to flash memory storage.

  Additionally, this expert has the hardware and software expertise to work with a legal team to devise and direct reverse engineering experiments and efforts directed to assessment of infringement. This expert is also familiar with the patent process, claims language and patents generally.

  
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• Expert Witness #216762

  This expert holds a Ph.D. in electrical engineering and joined the faculty of a department of electrical engineering, where this expert serves as Professor. This expert also has a concurrent appointment as a Professor of computer science and engineering.

  This expert has been designing and building and writing about imaging and video systems for many years. This expert’s first work with real-time video dates back to when this expert worked in a Video Conferencing group and later had research funding from that group. This expert has both built video cameras as part of academic work and has testified about digital cameras.

  This expert has consulted for many companies on various types of video issues on their security systems and worked for a company when sued on their collection of DVR patents.

  This expert is involved the IEEE Transactions on Image Processing, the IEEE Transactions on Circuits and Systems for Video Technology and the Journal of Electronic Imaging, and on advisory committees of several conferences on image and video processing. This expert’s research interests include image and video processing, restoration, compression and enhancement. This expert has published nearly two hundred papers and contributed to seven books in these areas.

  This expert has extensive litigation experience has been deposed and/or testified on a number of digital signal and imaging related cases.

  
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• Expert Witness #233401

  This expert is a Professor of Electrical and Computer Engineering and directs the Video and Image Processing Laboratory (VIPER). Specializing in state-of-the-art technologies to digitize, store, process, stream, and display digital images and video, this expert supports research in areas such as the development of new image analysis techniques, new image and video compression methods, the development of new surveillance and detection methods, new media and wireless streaming technologies, and creating multimedia material for use in media indexing, storage, and retrieval.

  One of the many technologies this expert is responsible for is the development of a graffiti recognition and analysis tool. The goal of this project is to use the knowledge gained from work in mobile devices and applications and leverage it towards the development of a mobile-based system capable of image analysis.

  This expert is a Fellow of the IEEE, a Fellow of the SPIE, a Fellow of the Society for Imaging Science and Technology (IS&T), and a Fellow of the American Institute of Medical and Biological Engineering. This expert received an award for work in image and video compression and multimedia security.

  This expert has extensive prior litigation experience including deposition and testimony.

  
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• Expert Witness #211941

  This expert holds a Ph.D. in Physics and is a systems, signals and algorithms consultant to industry and legal professionals, and has many years of experience in video, imaging, modeling, simulation, and systems analysis, design, development and testing. Prior to running a successful consultancy, this expert gained experience on automated digital photogrammetry and raster/vector integration of maps with imagery at street-level, military and satellite resolution. This expert developed digital image processing algorithms to improve image and stereo-matching quality for a digital terrain modeling system based on satellite data. This expert has also developed software and algorithms for affine transformation, edge filtering, kriging interpolation and image stereo matching with sub-pixel acuity. This expert has worked on automated photogrammetric adjustment methods based on pitch, roll and yaw angles, as well coordinate determination based on codeless GPS. This expert continued working on integration of detailed maps with military imagery, developing quadtree database technology for a Combat Information Processor. This expert developed a three-axis spacecraft attitude determination system that provided solutions for pitch, roll and yaw expressed as quaternions, updated via gyroscopes and other sensors. Further, this expert developed calibration algorithms for a 3D laser scanner with street-level ranging based on point cloud technology, and also developed a nine-camera video surveillance system based on wavelet hardware. This expert has experience with video and still imagery includes research & development and publication of low latency encoder/decoder algorithms for MPEG and DICOM imagery. As a Registered Patent Agent, this expert is often called upon to serve as an expert consultant to provide technical analysis related to patent infringement, patent validity and the research tax credit.

  
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• Expert Witness #253100

  Corrective Imaging Technologies Expert

  This expert holds a PhD in Computer Science and serves as Associate Professor of Computer Science. This expert's research is primarily in the areas of computer graphics and image processing but overlaps with computer vision and visualization while also having strong multi-disciplinary collaborations outside of computer science.

  This expert also serves as CEO and develops the company's corrective imaging technology that helps a person with visual impairments to see electronic images or text properly. It allows people to see digital content with increased sharpness on displays like tablets, smartphones and laptops without the need for corrective eyewear.

  This expert's prior work in image processing has included designing new cameras, developing camera calibration algorithms, new image processing algorithms for improving focus, and bettering image-based 3D reconstruction. This expert has multiple publications in this area and has also published user interface related papers for synthetic displays, virtual reality, and augmented reality. Further, this expert is familiar with the autofocus method and user interface in digital SLR cameras as well as in smartphones.   

  This expert has membership in more than 65 program committees including all of the leading conferences in the field, several on-going international multi-disciplinary collaborations (i.e., with experts in computer science, photogrammetry, urban planning, architecture, meteorology, atmospheric sciences, earth sciences, traffic engineering, and more), invited national and international talks and presentations, funding support from multiple entities, and technology transfer (e.g., roles in several startups and multiple patents).

  This expert has previous experience as an expert for litigation, including report writing, depositions, and in-court testimony.

  
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• Expert Witness #255869

  This expert holds a B. A. in Mathematics and Computer Science. This expert joined an early provider of timesharing computer services, where this expert developed mathematical and communications software. This expert performed hardware design, installation, and testing of optical character recognition equipment. This expert wrote a bit-slice processor microcode for the first broadcast video framestore/synchronizer and has taught electronics to art students.

  This expert founded a company to design and build digital television processing equipment. This equipment converted the field-sequential color television signal from the Space Shuttle to NTSC, for viewing, recording, and distribution to television networks. The conversion and NTSC encoding were accomplished digitally. This company also undertook contracts for the design and development of special-purpose digital television equipment for a number of clients. All of these projects made extensive use of digital video; most dealt with the integration of television systems and computer systems.

  This expert introduced video, high-definition television (HDTV), and accurate color technology to computer workstations and developed the system architecture for a product that brings video into the workstation environment.

  This expert has been an active member of the Society of Motion Picture and Television Engineers (SMPTE) Working Group on Studio Video Standards, and its various subgroups, and has contributed to many video standards, including ITU-R Recommendations BT.601 and BT.709. This expert was a major technical contributor to the ANSI/SMPTE 240M and 260M standards for 1125/60 HDTV. This expert was involved in SMPTE's Working Group on Digital Pictures, which developed the SMPTE 168M (DPX) standard for the exchange of digital film frames in the film production community. This expert advocated the square-pixel common image format for HDTV, and was the prime mover to have this proposal accepted unanimously.

  This expert worked for many years within television and computing standards organizations to encourage the adoption of standards for the use of television technology in computer environments. This expert worked to encourage the computer industry to adopt the ITU-R BT.709 HDTV colorimetry standard for accurate color interchange. This effort resulted in provision for ITU-R BT.709 colorimetry in the TIFF 6.0 file format, and led to the BT.709 color parameters being adopted in the sRGB standard for desktop computing.

  This expert specializes in the physics, mathematics, and engineering of digital color imaging systems, including digital video, HDTV, and digital cinema (D-cinema). This expert has published many magazine articles, and published and presented many technical papers. This expert has organized and presented many popular courses and seminars.

  
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• Expert Witness #263706

  This expert has intimate knowledge and experience in developing signal flows and protocols starting within the image sensor, through the image processor and to various video outputs, including camera throughput at multiple resolutions for preview and further processing, streaming, etc. This expert has been engaged as an expert on an IPR case, has been deposed multiple times, and has written many expert reports, rebuttals, and claim constructions.

  In addition to leading technology development at a software development company and at this expert's start-up company, this expert worked with image signal processing (ISP) engineers at many of the industry's major players; in some cases the interactions were with multiple divisions such as professional camera, consumer camera, and automotive. The various applications this expert supported include professional and consumer video cameras, various digital consumer cameras, security and surveillance, and for automotive. This required management of multiple video streams starting at the image sensor, through color and sparse pixel processing in the sensor and the supporting image signal processor, to implementation of control signals and signal readout per custom and MIPI standards, adjustment of image capture settings, and handling of video and still image content throughout the various image capture systems. This expert is up to date on recent advancements targeted for multi-camera smartphones. This expert has a patent pending which leverages the additional layers within stacked image sensors for in-sensor image signal processing. This expert has authored 150 publications, and holds 41 patents in the general field of imaging sensors.

  
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• Expert Witness #238295

  This expert has many years of photonics experience. This expert's academic focus was on modern optics, electromagnetic theory, communications theory, advanced mathematics, and the chemistry/physics of optical materials. This expert has a lifetime of research and development in the highly specialized area of optical data storage, processing/computing, and communications. This expert is a well-known expert in the field of optical data storage, holography, recording media, and optical disc replication processes and technology, and large high-resolution information displays. This expert's main areas of interest are photonics (components, imaging arrays, LEDs, and solar energy), materials physics, chemistry and processes, nanotechnology, control and positioning of light beams, MEMS and MOEMS and their integration into fully functional information processing systems, lasers, and flat panel displays (FPDs).

  Much of this expert's early work was for government agencies. The major goal of this work was to use photonics technology for the rapid acquisition, processing, storage and communication of data vital to national defense and space flight. This expert shifted the main research focus to (1) consumer electronics applications of photonics (CD, DVD, flat panel displays, digital cameras, LEDs and HDTV and 3D TV); (2) replication of CD and DVD media (technology, materials, processes and systems); (3) digital image processing and capture (digital cameras), and (4) the impact of MEMS/Nanotech on data storage, processing, and communication design and performance.

  This expert also has significant engineering, expert witness, product and business development, and sales & marketing management experience.

  
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• Expert Witness #216619

  This printing and graphic communications expert holds four degrees in printing and communication, including a Ph.D. in Rhetoric and Communication, an M.Sc. degree in Printing Management, a B.Sc. degree in Printing, and an A.A.S. degree in Graphic Arts and Advertising Technology, and is Professor Emeritus in graphic communication. This expert's focus has been on industry research, testing, product evaluations, consulting, training, seminars, workshops, conferences, and publishing. Prior to becoming Emeritus, this expert served over 30 years as a Professor and department head in graphic communication. Teaching and research specialties include printing and publishing, technology, communication, media, digital imaging, intellectual property, and research methods.

  This expert is an active researcher, consultant, expert witness, and speaker on matters related to printing, technology, graphic arts patents, copyrights, trade secrets, media, and communication. This expert has served as a technical consultant to over 250 printing and related companies, conducted numerous seminars and workshops on traditional and digital printing, including variable data printing, and is an experienced expert witness and litigation consultant.

  
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• Expert Witness #217104

  This digital image processing expert holds a Ph.D. and is an academic professor specializing in digital video processing within electrical engineering and computer science. This expert earned a doctorate in Electrical and Computer Engineering from a prestigious university and has held leadership and research roles in university multimedia communications and signal/image research laboratories.

  Research specialties include signal processing, image and video analysis, video retrieval and communications, multimedia systems, computer vision, medical imaging, and genomic signal processing. This expert has received substantial research funding, served on a standards technical panel in multimedia systems, and held a senior leadership role at a multimedia systems company.

  This expert is an experienced expert witness and litigation consultant. The holder of several patents in areas including multiple-item tracking and object tracking, this expert has provided consulting and expert witness services in numerous matters nationwide.

  
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• Expert Witness #243430

  This 3D visual effects expert is a professor at a distinguished university and is considered a leading world expert in 3D imaging and 3D data storage, among other applications.

  This expert developed an early digital holographic data storage system and has applied related technology to 3D displays, including security applications in currency. This expert teaches courses on holography, lens design, optical systems, and light-matter interactions, including novel 3D X-ray machines. This expert has extensive experience in expert witness consulting, having worked with numerous technology companies in Asia, the United States, and Europe, and has participated in all aspects of patent litigation.

  
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• Expert Witness #276249

  This video authentication expert is a certified Audio/Video Forensic Analyst with federal law-enforcement training in digital imaging and video recovery. This expert has conducted hundreds of forensic audio, video, and image investigations in the United States and internationally, and has enhanced and analyzed thousands of digital files, ranging from slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings. This expert now leads a well-regarded audio/video forensics consultancy.

  This expert has extensive specialized expertise in image forensics, source identification, and evidence authentication. The technical foundation includes advanced training in digital imaging and video recovery, forensic analysis, and authentication of digital images through federal law enforcement and a university-based media forensics program. To address modern manipulation techniques, this expert routinely updates technical skills with advanced training covering file structure parsing, fusion-based tamper detection, and the identification of deepfakes and generative AI imagery. In casework, this expert applies sophisticated authentication techniques to uncover evidence tampering and establish provenance for legal proceedings. Practical experience spans complex litigation, including image authentication and analysis, as well as media consulting involving photograph authenticity for media organizations.

  This expert is an experienced expert witness and litigation consultant.

  
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• Expert Witness #284539

  This digital forensics expert owns a digital media forensic lab focused on forensic video, audio, and image analysis for litigation support, with extensive experience in digital media production and forensics.

  This expert has advanced training in video and image forensics and uses software packages focused on authentication and image source encoding, including tools such as Amped Authenticate and Magnet Verify. This expert is also well versed in video and imaging technologies, including resolution differences between high-quality video formats, such as HD and 4K video, and still camera formats that can be 12-24MP or higher.

  This expert is an experienced expert witness and litigation consultant.

  
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• Expert Witness #295302

  This image processing expert holds a Ph.D. in Optical Sciences from a university and has over 25 years of R&D experience in imaging science, along with broad patent expertise. This expert holds over 10 patents as an inventor and has over 10 years of experience supporting patent lawyers in patent litigation.

  This expert has experience with image processing, image enhancement, optical projection, illumination, and using image processing to correct imperfections in illumination and projection systems. Expertise includes computational imaging, Digital Signal Processing, Optics, designing image processing algorithms to complement or address hardware and optical challenges, digital filters, multi-scale retinex processing, handheld projection devices, and specialized illumination and projection patterns for imaging tools.

  This expert has served in a senior research and development role at an imaging company and is a published first author on over 10 journal papers in imaging and image processing. This expert is also an experienced expert witness and litigation consultant.

  
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• Expert Witness #296651

  This agricultural engineering expert holds a B.Sc. and Ph.D. in Aerospace Engineering from a prestigious technical university and is an academic professor specializing in autonomous agricultural robotics, agricultural AI, machine learning, imaging sensors, and precision field operations.

  This expert holds a faculty role at a major public research university, leads autonomous farming research at a digital agriculture research center, and serves as a technology executive and co-founder of an agricultural robotics company. This expert has authored over 100 peer-reviewed publications in robotics and AI, with a significant portion addressing autonomous and vision/image-based systems in agriculture.

  This expert's research and commercial work over 10 years have focused on developing autonomous agricultural robots that integrate imaging sensors, AI, and machine learning to perform tasks such as weed detection, phenotyping, and precision field operations. This expert has served as an expert witness in prior IP litigation involving robotics and AI.

  
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