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What future for image/video compression

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The slides of my intervention on ICME 2011 panel on multimedia compression

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What future for image/video compression

  1. 1. What future for image/video compression Panel at ICME2011 Touradj Ebrahimi Barcelona, 12 th July 2011
  2. 2. Moore’s law of compression <ul><li>… between different paradigms … </li></ul>
  3. 3. Moore’s law of compression <ul><li>… and even within the same paradigm </li></ul>MPEG-2 video
  4. 4. Moore’s law of compression <ul><li>… and the story still goes on … </li></ul>
  5. 5. Moore’s law of compression <ul><li>In all likelihood Moore’s law of compression will continue in the next few years: </li></ul><ul><ul><li>More efficient encoding strategies </li></ul></ul><ul><ul><li>More efficient pre- and post-processing </li></ul></ul><ul><ul><li>Taking into better account human perception considerations </li></ul></ul><ul><ul><li>Alternative technologies/representations: </li></ul></ul><ul><ul><ul><li>Compressive sensing </li></ul></ul></ul><ul><ul><ul><li>X-lets </li></ul></ul></ul><ul><ul><ul><li>Model-based coding </li></ul></ul></ul><ul><ul><ul><li>Distributed source coding </li></ul></ul></ul><ul><ul><ul><li>… </li></ul></ul></ul>
  6. 6. Video coding based on audiovisual focus of attention … Quality ↓ Differential mean opinion score 17% gain 29% gain 45% gain
  7. 7. Challenges and trends in future image/video compression <ul><li>Impacting factors </li></ul><ul><ul><li>New image/video modalities </li></ul></ul><ul><ul><li>New applications and their requirements </li></ul></ul><ul><ul><li>New performance metrics </li></ul></ul>
  8. 8. <ul><li>New visual modalities: </li></ul><ul><ul><li>Stereoscopic </li></ul></ul><ul><ul><li>Multi-view </li></ul></ul><ul><ul><li>High Dynamic Range </li></ul></ul><ul><ul><li>Depth+Texture </li></ul></ul><ul><ul><li>Integral imaging </li></ul></ul><ul><ul><li>Holographic </li></ul></ul><ul><ul><li>… </li></ul></ul>Impacting factors in image/video compression paradigm
  9. 9. <ul><li>New applications and their requirements </li></ul><ul><ul><li>Scalability </li></ul></ul><ul><ul><li>Compressed domain processing </li></ul></ul><ul><ul><li>Low power consumption </li></ul></ul><ul><ul><li>Error resiliency </li></ul></ul><ul><ul><li>Low delay </li></ul></ul><ul><ul><li>Random access </li></ul></ul><ul><ul><li>Security </li></ul></ul><ul><ul><li>Privacy </li></ul></ul><ul><ul><li>Royalty-free </li></ul></ul><ul><ul><li>… </li></ul></ul>Impacting factors in image/video compression paradigm
  10. 10. <ul><li>New performance metrics </li></ul><ul><ul><li>Quality of Experience (QoE) </li></ul></ul><ul><ul><li>Complexity </li></ul></ul><ul><ul><li>Power consumption </li></ul></ul><ul><ul><li>IP status </li></ul></ul><ul><ul><li>… </li></ul></ul>Impacting factors in image/video compression paradigm
  11. 11. Some last questions <ul><li>Do we still need speech, audio, image and maybe soon even video compression in all applications? </li></ul><ul><li>Do we still need standard image/video compression? </li></ul>

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