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A D V A N C E D
P E R C E P T U A L
E V A L U A T I O N
O F
V I D E O
Q U A L I T Y
In Figure 3-2 a single frame from the decoded signal was taken – same scenery and action as in Figure 3-1, but
this time, it cannot be seen whether the car is damaged or not, because of blocking artefacts and quantization
noise the details got lost. The picture does not tell the true story, even worse it could give the wrong information
on the outcome of the scene to a paying user.
Figure 3-2 Is Schumacher hurt and his car damaged?
The above example clearly proves that testing and quality-of-service assurance is of key importance and relevance
for the business success of service providers, entering into the video domain, and the acceptance of new
technologies as such.
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