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The below expert witness bios represent a small fraction of those Digital Modeling experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Digital Modeling landscape.
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.
This expert is a Professor Emeritus of Digital Signal Processing. This expert received S.B. (Bachelor's), S.M. (Master's), E.E. (Professional Engineer's), and Sc.D. (Doctorate) degrees, all in Electrical Engineering and Computer Science. During graduate work, this expert was supported by a fellowship for research in hearing prostheses, and corporate sponsorship for the development of real- time automatic speech recognition systems. This expert is a member of the Acoustical Society of America, and is a Fellow of the Institute of Electrical and Electronics Engineers (IEEE). This expert has been a member of the IEEE Speech Technical Committee. This expert is also founder and director a speech technology company. This expert's current research interests involve digital processing of speech signals. This is concerned with such problems as the application of digital speech technology to sensory aids for the hearing impaired and automatic recognition of speech in adverse conditions. Some of the interesting problems arising from these applications include enhancement of speech in noise, formulation of robust perceptual distance measures, and real-time implementation. This expert also does work in efficient coding of speech signals, auditory modeling for improved speech analysis, speech production modeling, general digital signal processing, and pattern recognition.
This expert is a senior figure in computer graphics with many years of experience. The fundamental clipping algorithm appears in most computer graphics textbooks. This expert wrote a book on spline curve and surface representations used in geometric modeling algorithms in computer graphics. This expert has written about 200 technical research papers in the field, many of them about different aspects and kinds of rendering, lighting, shading, ray-tracing, etc.
In addition to extensive research expertise, this expert is a renowned teacher, having been a Presidential Chair Fellow not just once, but two times. This expert is one of only a few computer science faculty who teaches a course whose subject matter is actually about how to teach. These teaching skills are useful in testifying since this expert is adept at being able to explain complex concepts in a simple, easy-to-understand fashion.
This expert is not only a patent holder, but has actually written a patent without the aid of an attorney which was allowed and issued by the USPTO. Thus, this expert is well-versed in the concepts of intellectual property, patent validity, claim construction, etc. This expert’s patent work included opining and being deposed regarding a patent case being heard by the U.S. Patent and Trademark Office's Patent Trial and Appeal Board ("PTAB”).
This expert is Professor of a Graduate School with faculty affiliations in Electrical Engineering and Computer Sciences (EECS), Optometry, Vision Science, Bioengineering, Institute of Design, Center for New Media, Arts Research Center, and Canadian Studies Program.
This expert is a Fellow of the American Academy of Optometry (F.A.A.O.), a Presidential Chair Fellow, a Faculty Fellow in Engineering Ethics and Professional/Social Responsibility, and an ACM Distinguished Speaker.
This expert has published about 180 technical articles and has been a speaker at many international conferences.
This expert’s research interests include computational aesthetics, computational photography, methods for the design and fabrication of contact lenses, computer methods for optometry and ophthalmology, image synthesis, spline curve/surface representations, computer aided geometric design and modeling, CAD/CAM/CIM, interactive and realistic three-dimensional computer graphics, visualization in scientific computing, computer aided cornea modeling and visualization, videokeratography techniques, corneal topographic mapping, medical imaging, virtual environments for surgical simulation, and display technology.
This expert is a Chair of Engineering and Professor in the Department of Electrical and Computer Engineering. This expert held a variety of engineering positions in industry. This expert has practiced as an independent professional engineer. This expert’s practice areas include digital systems design and analysis, computer architecture, computer systems security, embedded systems, and signal processing algorithms. This expert is an author or co-author of over 250 technical articles and five books and is a named inventor on five US patents and five provisional or patents pending. This expert has consulted with and performed sponsored research for several different federal government agencies and industrial organizations. This expert’s research activities generally revolve around modeling, simulation, formal verification, and design of digital systems including both conventional electronic and emerging technology implementations.
This expert wrote machine-code designed to purposely exploit design errors and to invoke the test circuitry in the chip. In academia, this expert has taught digital design at the introductory and advanced levels, including embedded systems design, programmable logic, and ASIC. All of these classes include the teaching of test methods as a critical part of classes. This expert is also familiar with test standards for BIST including JTAG 1149.1, etc.
This expert has worked with both plaintiffs and defendants and has experience testifying in depositions and trials. This expert is an author of numerous expert reports and declarations for the plaintiff and defense, and also numerous declarations and IPR-related reports. Other experience includes pre-filing/due diligence analysis, prior art searching and analysis/rebuttal, forensics, reverse engineering, software/firmware/HDL listing analysis, drafting infringement, invalidity, and rebuttal contentions, claim construction/Markman preparation, tutorial development, direct examination Q&A drafting. This expert is a named inventor on five US patents and five patent applications.
This expert is a Professor in the Department of Electrical and Computer Engineering and Director of s Laboratory for Image and Video Engineering. This expert is well known as the inventor or co-inventor of many technologies related in the the fields of image and video processing, digital television, computational vision, and modeling of biological visual perception. This expert has published over 800 technical articles in these areas and holds several U.S. patents. This expert's publications have been cited more than 50,000 times in literature with an H-index over 80, and this expert is listed as a Highly-Cited Researcher by Thompson Reuters, indicating one of the top 1% of most cited researchers within the field of Engineering. This expert is also the author of two books on Image and Video Processing, and two books on Image Quality. This expert has received an Award for work on the development of prediction models which have become standard tools in broadcast and postproduction houses throughout the television industry. This expert has also received a number of major awards from the IEEE Signal Processing Society, as well as many other industry organizations and academia. This expert is a registered Professional Engineer and is a frequent consultant to legal, industrial and academic institutions.