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What is Absolute Category Rating mean?
Absolute Category Rating (ACR) is a test method used in quality tests.
The levels of the scale are, sorted by quality in decreasing order:
ExcellentGoodFairPoorBadIn this method, a single test condition (generally an image or a video sequence) is presented to the viewers once only. They should then give a quality rating on an ACR scale. Test conditions should be presented in a random order per test person.
The ACR scale is evaluated based on numbers that are assigned to the individual items, where Excellent equals to 5 and Bad equals to 1. The average numeric score over all experiment participants, for each test condition that was shown, is called the mean opinion score.
The ACR scale is also used for telephony voice quality to give a mean opinion score.
referencePosted on 19 Oct 2024, this text provides information on Miscellaneous in Computer and Networking related to Computer and Networking. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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