MPEG-2 and Alternative Video Compression Standards
    and Techniques               



(1.8 CEUs)

Focus

How bad is good enough: JPEG, MPEG-1, MPEG-2, MPEG-4, MPEG-7, MPEG-21 . . .

The Moving Picture Experts Group (MPEG) was formed to establish an international standard for the coded representation of video and associated audio.

The bit rate is reduced by exploiting the psychovisual properties of the human visual system as well as statistical redundancies in the image data. The MPEG-1 algorithm utilizes motion estimation/ compensation for the reduction of temporal redundancy and discrete cosine transform (DCT) for the reduction of spatial redundancy. To achieve additional compression on video data, variable length code (VLC) is also used. Another characteristic of the MPEG-1 video compression algorithm is the introduction of a bi-directional prediction method.

The MPEG-2 standard is designed for high quality use in broadcast and telecommunications applications. MPEG-2 features CCIR 601 resolution video - similar to D-1 tape (704x480 pixels/frame, NTSC; 704x576 pixels/frame, PAL) at data rates of 3 to 15 Mbits per second, and the concept of scalability. It also provides support for the interlaced format, a 16:9 video aspect ratio, and multiple video and audio channels within the same stream. In addition, MPEG-2 provides an extension ability to HDTV.


Instructor

Dr. Jordan Isailovic , scientist, JRI Technology and California State University Long Beach. and more...

 
Course Outline

Day 1
Introduction 

  • Description of Course Structure and Content 
  • Course Objectives 
  • Standards Overview
  • Analog TV: Basic Concepts

    Digital TV: Component vs. Composite 

    Theoretical Base for Compression/Decompression
  • Need for Data Compression 
  • Information Theory Concepts 
  • Visual Psychophysics 
  • Predictive Coding 
  • Motion Estimation
  • Transform Coding
  • Subband Coding
  • Vector Quantization, etc.
  • Examples of Codec Designs 
  • p*64 Standard 
  • JPEG Standard

  • MPEG-1 Standard 
  • Functional Block Diagrams 
  • Syntax and Semantics 
  • Video Compression 
  • Audio Compression 
  • System Layer
  • Example: MUX for CD
  • Day 2
    MPEG-2 Standard 

  • Video Compression 
  • Audio Compression 
  • System Layer 
  • Program and Transport Streams 
  • Comparison with MPEG-1
  • MPEG-2 Distribution 
  • Optical Recording of the MPEG-2 Data Stream
  • Satellite and Cable TV Distribution
  • Day 3
    Non-PEG Compression 
  • Wavelet Transform Coding and Compression 
  • Fractal Image Compression 
  • Autosophy Compression
  • Critical Design Issues
  • DSP vs. Dedicated MPEG-1-2 IC's 
  • Hardware vs. Software Solutions 
  • Decoder Synchronization >
  • Format Conversion
  • Limitations of Source Coding  

    Major Artifacts Associated with Video Compression
  • Subjective Evaluations 
  • Applications
  • What is Available Current Products
  • Present and Future
  • Opportunities and Obstacles
  • Intellectual Properties
  • Markets
  • Testing Tools
  • Course includes:

  • Three days of instruction (1.8 CEUs)
  • Extensive set of notes, which cover all the visuals used in the course
  • Pre-course preparatory homeworks
  • Course Diploma issued by instructor
  •  
    Course Overview

    This course provides a theoretical, intuitive and practical basis for the coding of images into digital form and their compression. Additionally, this course covers MPEG standards and alternative proprietary compression algorithms/standards. Compression testing, available tools and major artifacts associated with video compression are surveyed. A review of the opportunities and obstacles is given.



    Course Objectives

    1. P
    rovide background for understanding the MPEG standards 

    2. Introduce the student to both compression standards (MPEG) and proprietary digital video formats

    3. Acquaint the student with their (standards/formats) capabilities and applications

    4. Compare the MPEG-2 algorithm with other approaches to video compression

    5. Consider opportunities and obstacles 


    Who Should Attend

    The course is designed for scientists, engineers and technical managers involved in design specification, implementation, management, or utilization of video compression systems and others who wish to acquire knowledge of the video compression technology field. This course provides participants with the mathematical and conceptual background required to understand, design, implement, and evaluate video compression systems, in particular the MPEG-2 standard. Patent lawyers should also find it useful. 

    Attendees will benefit from the in-depth coverage of MPEG-1-2 compression standards as well as summarized current status of MPEG-4 and MPEG-7 standards and their relationship with other multimedia technologies and standards. Upon completion of this course, students will be equipped with the background that will help them understand the performance limitations of various compression solutions. 

    Although video compression is mathematically based, it is not assumed that attendees are familiar with higher level math: modern algebra, fractals, wavelets, etc.
     

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