Subjective Video Quality
The main goal of many objective video quality metrics is to automatically estimate average user (viewer) opinion on a quality of video processed by the system. Sometimes however, measurement of subjective video quality can also be challenging because it may require a trained expert to judge it. Many “subjective video quality measurements” are described in ITU-T recommendation BT.500. Their main idea is the same as in Mean Opinion Score for audio: video sequences are shown to the group of viewers and then their opinion is recorded and averaged to evaluate the quality of each video sequence. However, details of testing may vary greatly.
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Famous quotes containing the words subjective, video and/or quality:
“The difference between objective and subjective extension is one of relation to a context solely.”
—William James (1842–1910)
“These people figured video was the Lord’s preferred means of communicating, the screen itself a kind of perpetually burning bush. “He’s in the de-tails,” Sublett had said once. “You gotta watch for Him close.””
—William Gibson (b. 1948)
“Emperor Joseph II: Your work is ingenious. It’s quality work, and there are simply too many notes, that’s all. Just cut a few and it will be perfect.
Mozart: Which few did you have in mind, majesty?”
—Peter Shaffer (b. 1926)