Multimedia Expert Witnesses

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What is a multimedia expert witness?

Multimedia expert witness candidates typically have experience and expertise in computer science, software engineering, electrical engineering, forensic animation, graphic design, video, and/or social media. Some multimedia expert witnesses have advanced degrees (PE or PhD) in telecommunications, computer networking, or digital forensics.

What types of cases require a multimedia expert witness?

Multimedia combines multiple forms of content (i.e., text, audio, images, animations, or video into a presentation. Examples of multimedia include video podcasts, audio slideshows, animated shows, and movies.

Often, matters requiring multimedia technology expert witness services involve intellectual property disputes, such as patent infringement litigation, copyright or trade secret disputes. In addition, multimedia presentations in the courtroom can be a useful tool. A branch of forensic science, digital forensics can create accident or criminal activity reconstructions to help law enforcement explain incidents to a judge and jurors.

Multimedia expert witness case examples

On behalf of a plaintiff or defendant, Cahn Litigation Services has placed experts for numerous cases involving multimedia. Some of these cases involved:

• multimedia compression,
• system architecture,
• multimedia networking,
• signal processing,
• embedded systems,
• streaming,
• computer graphics, and
• digital imaging.

What litigation support work might a multimedia expert witness be expected to perform?

Litigation support by a multimedia expert witness could include reverse engineering, forensic science activities, research and authoring expert reports, providing expert opinions, expert testimony, and courtroom testimony. In a high-profile case, or litigation involving a significant financial stake, counsel may request a testifying expert with prior expert witness experience.

Cahn Litigation Services has the experience required to turn a search for a multimedia expert witness around quickly, providing the right balance of expertise and testimony experience.

Related Disciplines

Multimedia 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 Multimedia experts known by Cahn Litigation Services. These bios are provided to give lawyers a sense of the Multimedia landscape.

• Expert Witness #208783

  This expert holds a Ph.D. in Information Studies. This expert has a very deep understanding of search and IR systems. This expert has extensive prior litigation experience as a testifier and written over a dozen (non)-infringement reports, including some for search engine companies.

  This expert is a consultant specializing in software research and development focusing on search systems, information analytics, user experience design, semantic and knowledge management technologies as well as intellectual property analysis. This expert specializes in:

  -  The Semantic Web

  -  Information Seeking and Web Use

  -  Information Retrieval and Web Search

  -  Collaborative Filtering (Recommender Systems)

  -  Knowledge Management Systems

  -  Knowledge Discovery in Databases (including Data Mining)

  -  Human Computer Interaction (HCI)

  -  Informetrics, Analytics and Behavioral Log Analysis

  -  Computer Supported Collaborative Work (CSCW)

  This expert has also performed an exploratory study investigating the purchasing of sponsored search advertising for a major university's academic department. The ad campaign used Google's AdWord service with the goal of increasing awareness of the academic department and encouraging potential graduate admissions or admissions inquiries. A behavioral model of information seeking is suggested that could be applied for selecting appropriate types of online advertising for awareness and other advertising goals.

  This expert was a professor in the School of Information at a University where teaching and research focused on designing Web information architectures, information systems analysis, Information Retrieval, the Semantic Web and Knowledge Management Systems. This expert is formerly the Director of Advanced Development at a company that specialized in personalized information retrieval applications. This expert is also an author of many research publications. This expert received a doctorate focusing on Knowledge Discovery (Data Mining) for Informetric and Behavioral Models of Web Use.

  In the nascent days of the World Wide Web, this expert was a Lead Technical Architect, working on a Multimedia Encyclopedia and other large-scale information architecture, system architecture and development projects. This expert worked as a Methodologist designing CASE tools for client-server applications as well as doing usability, hypertext and multimedia development research. This expert also worked on a number of commercial software applications.

  
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• Expert Witness #218338

  This expert holds a Ph.D. in Computer Science and is a Professor in the Department of Computer Science at a major university. This expert's current research interests are at the intersection of databases and artificial intelligence, including optimization. This expert has a great deal of expertise in the dialog systems component that models the series of voice interfaces, facilitating occurring interactions. Voice dialogs form one of many mechanisms through which a user can interact with interactive multimedia presentation systems (IMPS), and over the years, this expert has worked extensively with IMPS and written several papers on this subject. This expert is author of one of the best known books on multimedia databases, as well as one on advanced databases, a key component to all dialog systems. This expert is the named inventor of a patent pertaining to mining user interactions. In addition, this expert has worked extensively in the general area of data mining for a wide variety of human behavior modeling. As an expert witness, this expert has experience with both invalidity and infringement issues, has written associated reports and has served as a technical expert in front of the USPTO.

  
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• Expert Witness #232056

  This expert is a Professor of Electrical and Computer Engineering, holds a PhD in Electrical Engineering, and specializes in Speech, Image, and Video Compression. This expert has published over 40 books, book chapters, and papers on video coding. This expert teaches graduate courses on video compression and has conducted research on video compression for many years. This expert has supervised Ph.D. students who have worked in video compression.

  This expert has won many awards, and has published over 300 journal papers, conference papers, book chapters, and books. This expert's research interests include Speech, Image, and Video Compression, Multimedia over Networks, Wireless Communications, and Information Theory.

  
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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 #234887

  This expert is a consultant and patent owner with many years of experience in developing and supporting the development and commercial exploitation of new technologies in the areas including audio and video encoding, decoding, recording, storage, transmission, and presentation, consumer electronics, digital television, broadcast, mobile, and fiber telecommunications, and computer and storage networks. This expert is specifically experienced in speech processing technologies and details of recognition and insertion of service signals in video programs.

  This expert has supported numerous licensing negotiations and reexaminations/IPRs as well as over 50 patent-related District Court and ITC cases, in consultative preparation of cases, characterization of accused products (by testing, reverse engineering, source code review, etc.), preparation of declarations and reports, and, as needed, testifying.

  This expert is a Member of the Audio Engineering Society and an Observer Member of the Advanced Television Systems Committee (ATSC).

  Summary of Selected Professional Experience

  -  Development of techniques for bandwidth reduction encoding and decoding of audio and video content (patent granted on video technique)

  -  Consulted on interactive multimedia systems with automated insretion of text over bvideo

  -  Consulted on adaptive variable rate coding for speech and general audio and on automatic audio content identification

  Summary of Selected Related Case Experience

  -  Patent litigation - issues included recognizing and tagging media content

  -  Patent litigation - issues included audio and video data encoding, decoding and bit-rate reduction in digital television receivers

  -  Issues included audio encoding and decoding, and recognition and insertion of service signals for digital television

  -  Patent litigation - audio encoding and decoding, and content-descriptive metadata generation, extraction, analysis and insertion in digital television
  
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• Expert Witness #256632

  This expert is a world-renowned researcher who has extensive research, technical, managerial, and Intellectual Property/patent expertise in the areas of telecommunications, networking, broadband, MetroEthernet, SONET/SDH/OTN Internet, VoIP, wireless, video, multimedia, MPLS, IPv6, e-commerce, and IoT/M2M for both carrier networks and enterprise networks. This expert's specialties include analysis, design, implementation, operation, and advocacy of new network technologies, particularly with an emphasis on packet technologies and the Internet Protocol (IP) for traditional and broadband applications such as:

  Voice over IP (VoIP); Video Over IP (e.g., IPTV, specifically, entertainment quality digital TV, video distribution over satellite/DTH, High Throughput Satellites [HTSs], multimedia; wireless connectivity (including Wi-Fi, wireless sensor networks, and communication/DTH/HTS satellites); security; intranet; Internet/intranet architecture and QoS; IoT/M2M; LANs/VLANs/MetroEthernet; and the underlying high-capacity network infrastructure to support these applications along with the call control signaling logic (SS7/Q.931/Q.2931/Q.933) and Advanced Intelligent Network (AIN) services. Packet systems include X.25/NCP, IPv4, Frame Relay (FR), Asynchronous Transfer Mode (ATM), MultiProtocol Label Switching (MPLS), and IPv6. This expert has also done work in cloud services (Cisco UCS) and IoT/M2M, Smart Cities, Smart Buildings, Smart Grid, and e-health.

  This expert has many years of hands-on ATM/SONET/MetroEthernet/OTN experience. In addition to numerous papers and conference presentations, this expert has written several books on LANs/VLANs/MetroEthernet, MPLS, Internet Services Cloud services, and IoT/M2M.

  This expert has over 200 published patents as well as 35 patent applications cite this expert's work. Additionally, 5000+ academic researchers cite this expert's work in their publications, according to Google Scholar. This expert has taught IT and Telecommunications courses. This expert has appeared in industry conferences as well a radio and TV technology programs.

  This expert has been called upon to undertake infringement/non-infringement analysis (with resulting depositions and testimony) in the area of packet video/IPTV, packet voice/VoIP, imaging (scanned checks), IoT, and wireless.

  
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• Expert Witness #232034

  This expert's expertise is in Streaming, Transcoding, and Multimedia solutions which includes IOs and Android platforms and their authentication. This expert has been a prolific consultant and expert witness involved with patent litigation. This expert's projects included anti-cloning and real-time distributed streaming of content through mobile devices. This expert is a frequent speaker and presenter on these topics and holds two US Patents in fraud in wireless telephone systems. This expert is well-published and has been credited with significant research.

  
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• Expert Witness #233212

  This expert holds a Ph.D. in Computer and Information Science and has spent a career as an innovator in the field of multimedia, broadband, web commerce and distributed computing. This expert was the Chief Technology Officer of a billion-dollar publicly traded broadband company, including its Internet-over-cable subsidiary and satellite Internet company. This included direct hands-on oversight of all networks, services, deployments, NOCs, & technology, including DOCSIS conversion.

  This expert has extensive experience including many Internet multimedia firsts while leading a Networked Entertainment Technology program at a major computer company. This includes seminal streaming media work, contemporaneously knowledgeable of development of interstitial ad insertion in streaming media.

  This expert has first-hand knowledge of and is highly experienced with technologies including Cable TV headends & infrastructure, Set-Top Box, access networks, protocols, modulation/demodulation, channelization/bonding/multiplexing, all networking physical media including wired/wireless/RF. This expert personally designed the film/TV industry's first hi-def set-top box - software, hardware, service, and networking - and deployed it throughout many studios. This expert is also the past CTO of a satellite broadband company; a principal Internet multimedia digital asset company; a $100 million wireless firm; others.

  As an experienced expert witness, this expert has been involved with ~ dozen engagements. This expert is familiar with validity/invalidity, infringement/noninfringement, non-infringing alternative identification, claim construction, §101/102/103/112 arguments, and working with damages experts. This expert is highly experienced at code review, system analysis, forensics for infringement/non-infringement. This expert is comfortable at deposition and has over 60 hours on-record testimony.

  
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• Expert Witness #258365

  This expert is a Ph.D. Candidate and has deep experience as an expert witness in Multimedia Networking, Communication Systems, Graphical User Interface, Signal Processing and other related topics. This expert's focus is in the design and development of a broad range of technologies in software and hardware for applications in telecommunications and multimedia networking. This expert possesses expertise in digital video and voice communications systems over packet-based wireless and wireline computer networks. This expert has been a technical expert for intellectual property litigations, supporting the nation's top law firms for patent or copyright infringement.  

  
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• Expert Witness #231272

  This expert is the Founder and Principal of an internationally renown consulting firm specializing in telecommunications, networking, computing and multimedia technologies including digital video and audio standards. The firm provides business management, product management and engineering management services, market intelligence consulting, licensing expertise and litigation support including expert witness services. The company provides its clients with a wide variety of services so they can keep pace with the breakneck changes in their industries. Areas of expertise include:
  
  • Broadband Communications
  • Digital Switching
  • Internet Infrastructure
  • Network Management
  • Networking
  • Computer Architecture
  • Telecommunications & Wireless Product Marketing
  • Wireless Technologies
  • Multimedia Technologies including MPEG
  • VoIP and Related Technologies
  • Virtualization and Thin Client Technologies
  
  Early on, much of this expert’s work involved video processing technologies including MPEG-2, MPEG-4 and MPEG-7. This expert was also responsible for IP based technologies, including applications of SIP and RTP. Some of these technologies which relied on TCP/IP or UDP/IP were spun out to a start-up that pursued commercialization of the SIP and RTP technologies. This expert has been involved in numerous cases involving use of the public and private Internets to transmit data. Some providers used the public Internet while others used different technologies including their own IP networks to deliver content (e.g., audio, video, etc.) or peering agreements with Internet service providers, especially when end-to-end quality-of-service (QoS) had to be managed at certain levels.

  
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• Expert Witness #125107

  This high-performance hardware design/trade secret expert holds a PhD in Computer Engineering and is an adjunct professor of Electrical and Computer Engineering at a well-regarded university, where graduate-level seminars on embedded computer architectures are taught. This expert is also a technologist, entrepreneur, founder of a successful technology consultancy, and managing director at a private equity angel investing firm.

  This expert has served as an expert witness or consultant in approximately 100 matters involving patents, trade secrets, and high-performance hardware and software design, with over 80 depositions and over 5 trials, including matters in EDTX, WDTX, and the International Trade Commission. Many of these matters involved hardware design, FPGA, ASICs and similar technologies, and cloud computing.

  This expert teaches and advises PhD-level research in areas such as high-performance hardware design and computer architecture and has guest lectured at various U.S. universities in computer engineering and related subjects. This expert previously held industry roles at major technology and semiconductor research organizations involving high-performance microprocessor and hardware accelerator design and related technologies.

  This expert has authored numerous IEEE and ACM publications and textbooks in areas such as high-performance hardware and software design, embedded and real-time processing, signal processing, and sensor technology. This expert has also chaired conferences and served on steering committees for IEEE and ACM industry conferences for over 15 years.

  This expert has authored open-source hardware design infrastructures and system-level simulation tools used at various U.S. universities, including tools for designing hardware accelerators for multimedia, telecommunications, and graphics processing workloads. This expert has significant experience designing and reverse engineering large-scale hardware, software, and firmware systems involving more than 10 million lines of computer code.

  This expert's academic background includes graduate degrees in Computer Engineering from a well-regarded university and a B.S. in Electrical Engineering from a well-regarded technical university, with doctoral work focused on chipsets and software solutions for wireless technologies. This expert has also served as a company founder, co-founder, advisory board member, and board member.

  This expert currently serves in a leadership role for an IEEE/ACM design automation conference track and sits on a technical committee for an IEEE real-time systems symposium. This expert has extensive experience in reverse engineering and source code review involving millions of lines of software and hardware source code, has architected open-source computer architecture simulation environments used for hardware/software system design at various U.S. universities, and is a named inventor on multiple U.S. patents involving client/server computing and embedded operating systems.

  This expert is a highly experienced litigation consultant.

  
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• Expert Witness #214804

  This audio signal processing expert holds a Ph.D. and has over 50 years of experience in signal processing, with a focus on audiovisual communications. This expert began a research career in an acoustics research department at a prominent industrial laboratory, then became the founding director of several research groups focused on signal processing, advanced audio technology, and multimedia communications.

  For personal research and leadership in the field, this expert has received numerous major awards from prominent professional engineering and innovation organizations. As one example of impact, research in this expert's department led to the concept and implementation of the MP3 audio codec for low-bit-rate audio. In an academic career, this expert created a graduate-level course in multimedia communications with an extensive section on speech and audio technology and taught it for many years at prestigious universities.

  In recent work, this expert has provided expert opinions on the current generation of audio communications systems, such as microphone and speaker arrays and frequency-space-and-context analyses that enable speech enhancement and voice commands in noisy wireless environments.

  This expert 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 #218696

  This packet monitoring expert holds a PhD and is a professor at a prestigious university, as well as head of a computer systems and networks performance engineering lab. This expert's research contributions span high-speed networking and packet switching, the Internet, cloud computing and data centers, multimedia streaming, information service engineering, and computer systems security.

  This expert has been deposed over 10 times, has testified in court, has prepared reports from multiple perspectives, and has provided technical tutorials to judges.

  
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• Expert Witness #234052

  This security camera expert holds a PhD and is internationally recognized in multimedia systems, with over 20 years of experience in the field. Research experience includes video streaming, video coding, and the design of automated video security systems.

  A number of multimedia systems research projects were sponsored by a national science research foundation, including work on the design of an automated video surveillance and security system using a variety of security cameras. Academic supervision has included over 5 Ph.D. Dissertations on multimedia systems and video surveillance systems, with experience spanning both hardware and software aspects.

  This expert has served as an expert witness and consulting expert in numerous patent infringement cases related to methods, systems, websites, and applications for video streaming, video coding, video transcoding, video sharing, and video recording. This expert is a named inventor on a U.S. patent involving automated video surveillance systems and has authored over 30 refereed papers on video streaming and multimedia systems.

  
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• Expert Witness #267101

  This image retrieval/analysis and geospatial data expert holds a B.Sc. in Computer Engineering and M.Sc. and Ph.D. degrees in Computer Science, and has held academic and departmental leadership roles in Computer Science, Electrical Engineering, and Spatial Sciences at a leading university.

  This expert has worked on the integration of geospatial data with maps and aerial imagery.

  This expert has authored a number of books and over 300 research papers in databases, GIS, and multimedia, holds over 10 U.S. patents, and is active in several industry groups.

  
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• Expert Witness #275483

  This audio/video coding expert is an experienced software developer for media-centric applications, especially those related to sound and video streaming and playback.

  Beginning with early computer-music work on mainframes, this expert has been involved in generations of audio and video capture, processing, and playback technology, including multimedia synchronization experiments and pre-web distributed dynamic media. This expert has worked on operating systems down to very low levels and is familiar with the details of audio/video synchronization.

  This expert has experience with audio-centric applications such as audio/video recording and editing tools running on desktop and mobile platforms. This expert served for about a decade as editor of a prominent academic journal focused on computer music and taught graduate courses in multimedia engineering at a well-regarded California university for over a decade.

  This expert provides IP consulting support involving application analysis, source code discovery, claim construction, report writing, depositions, and court testimony. This expert has experience as an expert witness and litigation consultant, including depositions, in-court testimony, and IPR proceedings.

  
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• Expert Witness #277356

  This digital/audio/video forensics expert is a Certified Video Forensic Examiner (CFVE) and Certified Computer Forensic Examiner (EnCE), and helped found and lead a digital forensics company. This expert has analyzed hundreds of digital forensic cases involving computers, mobile devices, audio, video, DVR forensics, and other types of digital multimedia evidence for both the public and private sectors. This expert began as a private investigator working on complex civil and criminal matters, which led to expertise in the Digital & Multimedia Evidence (DME) field.

  This expert worked for a major corporation developing and implementing formal internal e-discovery and digital forensic capabilities, including conducting extensive research and training to implement company-wide tools, policies, and procedures that adhered to legal requirements, industry guidelines, and best practices. This training and experience allowed this expert to join a leading e-discovery company in a senior digital forensic investigation role. Primary duties included investigations supporting projects involving mergers, acquisitions, and regulatory requirements for Federal government agencies. This expert was also involved in the investigation of critical criminal and civil matters involving extensive national and international travel and the ability to work independently in complex environments while maintaining the quality of results.

  This expert currently serves in executive and forensic examiner roles for an ISO 17025 based forensic laboratory, is a member of a prominent professional forensic science association, and is an Associate Member in a digital media sciences section.

  
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• Expert Witness #277367

  This digital/audio/video forensics expert is a current senior laboratory leader and co-founder of a digital forensic company, with prior service as a sworn officer, forensic video examiner for a county sheriff's office crime laboratory, and Army officer in cavalry scout roles. This expert has processed digital multimedia matters for over 50 federal, state, local, and international government entities and has testified numerous times in court as an expert witness in the Digital & Multimedia Evidence (DME) field.

  This expert began as a Research Analytical Biochemist for a pharmaceutical company, developing testing methods and standard operating procedures to determine whether new pharmaceuticals were safe for humans. This work provided a foundation in scientific training, quality assurance program development, and adherence to federal laboratory laws and international scientific standards.

  After leaving the biotechnology field, this expert developed, validated, and implemented a forensic video analysis section for a county sheriff's office crime laboratory accredited by a prominent crime laboratory accreditation organization. This expert was among the early LEVA Certified Forensic Video Analysts and IAI Certified Forensic Video Examiners and served on a certification board.

  This expert participated in a yearlong internship with a federal forensic audio, video, and image analysis unit in Virginia to further develop forensic skills at a premier laboratory. This expert has also been accepted as an Associate Member in the Digital Media Sciences Section of a prominent forensic science academy.

  
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• Expert Witness #283591

  This packet monitoring expert holds a PhD and is a professor at a well-regarded university, with over 30 years of R&D experience in networked multimedia, including streaming, network traffic monitoring, and classification.

  This expert has published over 10 journal papers, over 145 additional journal papers, and over 245 conference papers in these areas, and is also a named inventor of over 20 issued U.S. patents. This expert has used Wireshark and Fiddler in multiple cases and has set up a Charles web proxy on a laptop to monitor mobile application traffic through iPhone and Galaxy phones. This expert also has litigation experience in these fields.

  
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• Expert Witness #283693

  This video processing/compression expert is a university professor with over 25 years of experience in image/video processing and compression.

  This expert developed an early very low bit rate color video codec for video telephony at a major telecommunications research laboratory and subsequently established and led an R&D group focused on image/video processing and coding. Work in the field has resulted in over 250 refereed publications in high-impact venues and issued patents, and has been recognized with several prestigious awards, including election as an IEEE Fellow.

  This expert has been retained as an expert consultant for IP-related matters in these areas and has served as an expert delegate to an international standards committee focused on coding of audio, picture, multimedia, and hypermedia information, including participation in JPEG/MPEG standardization activities.

  This expert has directed a university R&D laboratory focused on image, video, and usability, supervising the research and development work of over 45 graduate students as main advisor and directing numerous funded projects that led to innovative technologies and successful technology transfer with industry partners in image/video processing and compression. This expert has been awarded over 5 patents in image and video processing, compression, and transmission.

  
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