Download Communicating pictures : a course in image and video coding by David R. Bull PDF

By David R. Bull

Communicating Pictures starts off with a distinct ancient viewpoint of the position of pictures in communications after which builds in this to provide an explanation for the functions and specifications of a contemporary video coding procedure. It attracts at the authors large educational event of sign processing and video coding to bring a textual content that's algorithmically rigorous, but available, suitable to fashionable criteria, and useful. It bargains an intensive grounding in visible belief, and demonstrates how glossy snapshot and video compression tools will be designed so one can meet the rate-quality functionality degrees demanded through todays functions, networks and clients. With this publication you are going to learn:

  • Practical concerns while enforcing a codec, equivalent to photo boundary extension and complexity aid, with specific emphasis on effective algorithms for transforms, movement estimators and mistake resilience
  • Conflicts among traditional video compression, in keeping with variable size coding and spatiotemporal prediction, and the necessities for errors resilient transmission
  • How to evaluate the standard of coded photos and video content material, either via subjective trials and through the use of perceptually optimised aim metrics
  • Features, operation and function of the state of the art excessive potency Video Coding (HEVC) standard
  • Covers the fundamentals of video communications and features a robust grounding in how we understand pictures and video, and the way we will make the most redundancy to lessen bitrate and increase fee distortion performance
  • Gives deep perception into the pitfalls linked to the transmission of real-time video over networks (wireless and fixed)
  • Uses the state-of- the-art video coding typical (H.264/AVC) as a foundation for set of rules improvement within the context of block established compression
  • Insight into destiny video coding criteria resembling the recent ISO/ITU excessive potency Video Coding (HEVC) initiative, which extends and generalizes the H.264/AVC approach

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Additional resources for Communicating pictures : a course in image and video coding

Example text

3 Temporal masking . . . . . . . . . 1 Influential factors . . . . . . . . . 2 What have we learnt? . . . . . . . . References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 46 47 48 49 50 50 50 52 52 53 53 53 55 55 56 56 56 59 A study of the structure, function, and perceptual limitations of the human visual system (HVS) provides us with clues as to how we can exploit redundancy in visual information in order to compress it with minimum degradation in perceived quality.

Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Perception of scale and depth . . . . . . . . . 1 Size or scale . . . . . . . . . . . 2 Depth cues . . . . . . . . . . . 3 Depth cues and 3-D entertainment .

Its neural processors are an extension of the visual cortex and it is the only part of the brain visible from outside the body. Each of the optic nerves, which carries signals from the eye to the brain, consists of around one million fibers and it is these that transmit the signals from the retina to the rest of the visual cortex. This contrasts starkly with other senses—for example, each auditory nerve comprises about 30,000 fibers. 3, but first let us take a brief look at the theories that exist about how our visual system operates.

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