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End-to-end Quality Control in Approximate Computing

Yuhao Zhu
March 24, 2016
Education
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120

End-to-end Quality Control in Approximate Computing

WAX 2016 co-located with ASPLOS 2016

Yuhao Zhu

March 24, 2016
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Transcript

  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

    View Slide

  2. User-centric

    Application
    Image

    compression

    View Slide

  3. User-centric

    Application
    Image

    compression
    Quality

    Metric
    Average Pixel

    Error Rate

    View Slide

  4. Human

    Perception
    User-centric

    Application
    Image

    compression
    Quality

    Metric
    Average Pixel

    Error Rate
    User

    Satisfaction

    View Slide

  5. Human

    Perception
    User-centric

    Application
    Image

    compression
    Quality

    Metric
    Average Pixel

    Error Rate
    ?
    User

    Satisfaction

    View Slide

  6. Quality

    Score

    (QScore)
    Human

    Perception
    User-centric

    Application
    Image

    compression

    View Slide

  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]

    View Slide

  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]

    View Slide

  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

    View Slide