Perceptual Quality
Online Real-Time Interactive Multimedia
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Product details:
- Publisher Springer Nature Switzerland
- Date of Publication 31 January 2026
- ISBN 9783032079404
- Binding Hardback
- No. of pages283 pages
- Size 235x155 mm
- Language English
- Illustrations XXII, 283 p. 1 illus. 700
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Long description:
This monograph introduces a comprehensive framework for optimizing perceptual quality in online, real-time, interactive multimedia systems involving multiple users, performance metrics, and application controls. It outlines an integrated offline-online process that learns perceptual quality under controlled conditions and adapts it to dynamic, real-time environments. The optimization is modeled as a decomposable multi-metric, multi-control problem, solvable in polynomial time by integrating solutions from simpler subproblems. Each subproblem is evaluated using a novel, function-free method based on dominance and a binary-divide algorithm with guaranteed error tolerance.
The work is the first to show that the relationship between a stimulus and its variation in multimedia and psychophysical applications can be nonlinear yet monotonic and non-smooth. It also pioneers a method for optimizing perceptual quality in real-time communications without requiring original data at the receiver. This long-standing open problem is challenging due to the subjective nature of perceptual quality and the complexity of unknown tradeoffs among quality measures. The findings demonstrate the feasibility of solving these challenges through decomposition and dominance, offering practical solutions for improving perceptual quality in online real-time interactive multimedia applications.
Table of Contents:
Part I: Background.- 1 Online Interactive Multimedia Systems.- 2 Network Controls and Supports.- Part II. Perception Models and Theory.- 3 Human Perception Research.- 4 Offline Simplex Perceptual Model.- 5 Offline Multi-Metric Joint Perceptual Model.- 6 Online Generalization of Offline Models.- Part III: Case Studies.- 7 Case Study on Audio Conferencing Systems.- 8 Case Study on Multi-Player Online Interactive Games.-9 Conclusions.
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