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 Expert  729607

Expert in Video Compression, Network Services, Video Networking

Available for your Consulting and Expert Witness Needs

United Kingdom
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise:

Listed with other top experts in: 

Expert has been working on processing of video signals for more than 4 decades. In 1979, He received his PhD on the subject of compression of television pictures using the discrete cosine transform (DCT). His 40 years of experience in processing, compression and transmission of video over heterogeneous IP and wireless networks have been published in 6 books, 11 patents and more than 200 Journal and 370 conference papers.

In the past two decades Expert has been grand holder of several UK government, UK industry and EU funded research projects. His research outcomes in the forms of patents, publications and invited talks in numerous journals and conferences have fundamental impacts on the multimedia industry. Apart from his pioneering work on layered video coding which has had a great impact on the standard video codecs in the form of scalability, his other most internationally successful known work is video transcoding. Today video transcoders comprise the core of IT-broadcasting workflow for automated production, delivery and broadcast of TV. His other internationally recognized contributions include; video compression techniques, video quality metrics, motion estimation, Peer-to-Peer video streaming, video over mobile and internet.


digital television


digital video signal compression


discrete cosine transform


image compression


inverse discrete cosine transform


JPEG standard


MPEG standard


video signal compression


video signal decompression

Show Secondary and Basic Areas of Expertise

Year   Degree   Subject   Institution   Honors
1979   PhD   Electrical Engineering   University of Essex, UK   Fellow of IEEE, Fellow of IET, Chartered Engineer
1976   MSc   Telecommunications   University of Essex, UK  
1970   BSc   Electrical Engineering   Sharif (Aryamehr) University of Technology, Iran  

Work History:
Years   Employer   Department   Title   Responsibilities

1986 to 2011


University of Essex


School of Computer Sci and Electronic Engineering


Full Professor


Head of Multimedia research group and supervising PhD and MSc students in video networking, as well as teaching subjects in this area.

Career Accomplishments:

His pioneering work on layered video coding, which is mostly known as scalability in the standard video codecs, earned him IEEE fellowship in 2001. He is also fellow of IET and chartered Engineer.



Professional Appointments

Founding associate editor of IEEE Transactions on Multimedia from its publication in 1998-2004; on the advisory board of Journal of Signal Processing, Image communication from 2000 to present; steering committee member of numerous conferences, like Packet Video, Picture Coding symposium, multimedia applications, etc.


His book: Introduction to video coding (1999, IET London publication) received the Rayleigh award, as the best book of year 2000 by IET. He was also the winner of the H. Reeves prize for the best paper published by IET in the theme of digital coding in 1995.

Medical/Professional Internships

On about seven occasions, each time he had spent 6-weeks summer time fellowships at the British Telecom research centre.

Publications and Patents Summary

He has authored/co-authored 6 books and published more than 200 technical journal papers and presented more than 370 international conference papers and registered for 11 international patents, all in the field of video networking.

Selected Publications and Publishers  
 - IEEE  
 - Elsevier  

Consulting Services:
Selected Consulting Examples:
  • Developing scalable video codecs for British Telecom for almost 15 years, from 1986-2000.
  • Developing video transcoders for British Telecom, for almost a decade, 1995-2005.
  • Consultant to UK Independent Television Commission, from 1993-1999, on two European projects, for design of Video Quality Meters.
  • Investigating the future evolution of video codec for the UK office of Telecommunications (OFCOM), in 2006.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
He has been asked twice to give an expert view on some patent disputes, but it never ended up in court, as the lawyers settled out of court.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
1993 to 2004   EU Countries   Involved in numerous European projects, for more than 10 years. In these projects, partners from industries and universities of various EU countries participate.

Language Skills:
Foreign Language   Description
English   Educated and worked in UK from 1975 to present day.
Farsi   Born in Iran and fluent in Farsi.

Market Research:
Video transcoding is one of his pioneering fields of work, that these days comprises the heart of automation in the video production industry, what is called IT-workflow. With advances of various video encoders, ranging from MPEGx, H.26x, VC, etc, conversion of video from one format to another is highly in demand.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:

Numerous tutorials on video related subjects, in addition to his normal lecturing duties on delivering video and telecom courses for more than 25 years.

Supplier and Vendor Location and Selection

Numerous projects have been carried out for the British Telecom, over 15 years.

Other Skills and Services

Review and report on developments in video technology. For example, in 2006 he was asked by UK office of Telecommunications (OFCOM) to study the trend of future video codecs in 20 years time.


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