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FR metrics do not necessarily perform a pixelwise comparison of the images. Instead, some metrics may perform filtering of the images before comparing them. Also, they may compare only subregions or downscaled (=averaged)regions of the images. It also happens, that some metrics extract one value(e.g. jerkiness) from the reference video, extract the same value from the degraded video and then compare these two somehow averaged values. In this case no imagewise comparison would happen at all. I am still thinking about a good text to correct this. If somebody has a good idea how to phrase it, go ahead... Grizzly007 15:23, 25 September 2007 (UTC)
Only a minor thing. Shouldn't the link to ITU say ITU-R instead of ITU-T?
I deleted the 'further reading' link to the Opticom home page this morning, assuming it was advertising spam. As it has been re-added, I assume there is a good reason for linking directly to it. Maybe it would be a good idea to explain that reason, before I re-delete it? GyroMagician ( talk) 10:47, 25 May 2010 (UTC)
Someone added a very biased section on LIVE databases and no-reference models developed by researchers at the LIVE group. These models were included in an existing well-known and accepted classification of models, making it appear like they formed a completely new set of models, which is not true, since they are also simply pixel-based. They should be included as examples only, in the section below, and should be phrased less promotional. – Soulhack ( talk) 08:55, 28 January 2016 (UTC)
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The contents of Subjective video quality can be merged into Video quality § Subjective video quality without causing an WP:UNDUE issue. There is significant overlap in the articles so the merge would benefit readers and editors maintaining the material. ~ Kvng ( talk) 13:43, 14 October 2021 (UTC)
This article is rated C-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||||||
|
FR metrics do not necessarily perform a pixelwise comparison of the images. Instead, some metrics may perform filtering of the images before comparing them. Also, they may compare only subregions or downscaled (=averaged)regions of the images. It also happens, that some metrics extract one value(e.g. jerkiness) from the reference video, extract the same value from the degraded video and then compare these two somehow averaged values. In this case no imagewise comparison would happen at all. I am still thinking about a good text to correct this. If somebody has a good idea how to phrase it, go ahead... Grizzly007 15:23, 25 September 2007 (UTC)
Only a minor thing. Shouldn't the link to ITU say ITU-R instead of ITU-T?
I deleted the 'further reading' link to the Opticom home page this morning, assuming it was advertising spam. As it has been re-added, I assume there is a good reason for linking directly to it. Maybe it would be a good idea to explain that reason, before I re-delete it? GyroMagician ( talk) 10:47, 25 May 2010 (UTC)
Someone added a very biased section on LIVE databases and no-reference models developed by researchers at the LIVE group. These models were included in an existing well-known and accepted classification of models, making it appear like they formed a completely new set of models, which is not true, since they are also simply pixel-based. They should be included as examples only, in the section below, and should be phrased less promotional. – Soulhack ( talk) 08:55, 28 January 2016 (UTC)
Hello fellow Wikipedians,
I have just modified 3 external links on Video quality. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
When you have finished reviewing my changes, please set the checked parameter below to true or failed to let others know (documentation at {{
Sourcecheck}}
).
This message was posted before February 2018.
After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than
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source check}}
(last update: 5 June 2024).
Cheers.— InternetArchiveBot ( Report bug) 08:18, 21 July 2016 (UTC)
The contents of Subjective video quality can be merged into Video quality § Subjective video quality without causing an WP:UNDUE issue. There is significant overlap in the articles so the merge would benefit readers and editors maintaining the material. ~ Kvng ( talk) 13:43, 14 October 2021 (UTC)