End-to-end Quality Control in Approximate Computing

End-to-end Quality Control in Approximate Computing

WAX 2016 co-located with ASPLOS 2016

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Yuhao Zhu

March 24, 2016
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  1. 1 WAX 2016 Scalable End-to-end Quality Control in Approximate Computing

    Yuhao Zhu UT Austin with Deepti Ghadiyaram, Matt Lease, and Vijay Janapa Reddi
  2. User-centric Application Image compression

  3. User-centric Application Image compression Quality Metric Average Pixel Error Rate

  4. Human Perception User-centric Application Image compression Quality Metric Average Pixel

    Error Rate User Satisfaction
  5. Human Perception User-centric Application Image compression Quality Metric Average Pixel

    Error Rate ? User Satisfaction
  6. Quality Score (QScore) Human Perception User-centric Application Image compression

  7. Quality Score (QScore) Human Perception User-centric Application Quality Assessment Model

    Image compression QScore = f(image) [Wang et al., 2004] [Seshadrinathan et al., 2010]
  8. Quality Score (QScore) Human Perception User-centric Application Quality Assessment Model

    Image compression QScore = f(image) [Wang et al., 2004] [Seshadrinathan et al., 2010]
  9. Human Perception User-centric Application Quality Assessment Model Audio Video Text

    Image QScore Image Model Audio Model Video Model Text Model Audio QScore Video QScore Text QScore Image