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WAX 2016
Scalable End-to-end Quality Control
in Approximate Computing
Yuhao Zhu
UT Austin
with Deepti Ghadiyaram, Matt Lease, and Vijay Janapa Reddi
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User-centric
Application
Image
compression
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User-centric
Application
Image
compression
Quality
Metric
Average Pixel
Error Rate
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Human
Perception
User-centric
Application
Image
compression
Quality
Metric
Average Pixel
Error Rate
User
Satisfaction
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Human
Perception
User-centric
Application
Image
compression
Quality
Metric
Average Pixel
Error Rate
?
User
Satisfaction
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Quality
Score
(QScore)
Human
Perception
User-centric
Application
Image
compression
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Quality
Score
(QScore)
Human
Perception
User-centric
Application
Quality
Assessment
Model
Image
compression
QScore = f(image)
[Wang et al., 2004]
[Seshadrinathan et al., 2010]
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Quality
Score
(QScore)
Human
Perception
User-centric
Application
Quality
Assessment
Model
Image
compression
QScore = f(image)
[Wang et al., 2004]
[Seshadrinathan et al., 2010]
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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