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  2. Video quality - Wikipedia

    en.wikipedia.org/wiki/Video_quality

    Video quality is a characteristic of a video passed through a video transmission or processing system that describes perceived video degradation (typically compared to the original video). Video processing systems may introduce some amount of distortion or artifacts in the video signal that negatively impact the user's perception of the system.

  3. Compression artifact - Wikipedia

    en.wikipedia.org/wiki/Compression_artifact

    Video compression artifacts include cumulative results of compression of the comprising still images, for instance ringing or other edge busyness in successive still images appear in sequence as a shimmering blur of dots around edges, called mosquito noise, as they resemble mosquitoes swarming around the object.

  4. High Efficiency Video Coding - Wikipedia

    en.wikipedia.org/wiki/High_Efficiency_Video_Coding

    Coding efficiency is the ability to encode video at the lowest possible bit rate while maintaining a certain level of video quality. There are two standard ways to measure the coding efficiency of a video coding standard, which are to use an objective metric, such as peak signal-to-noise ratio (PSNR), or to use subjective assessment of video ...

  5. Video super-resolution - Wikipedia

    en.wikipedia.org/wiki/Video_super-resolution

    Video super-resolution (VSR) is the process of generating high-resolution video frames from the given low-resolution video frames. Unlike single-image super-resolution (SISR) , the main goal is not only to restore more fine details while saving coarse ones, but also to preserve motion consistency.

  6. Tweet (social media) - Wikipedia

    en.wikipedia.org/wiki/Tweet_(social_media)

    A tweet is a short status update on the social networking site Twitter (officially known as X since 2023) which can include images, videos, GIFs, straw polls, hashtags, mentions, and hyperlinks. Around 80% of all tweets are made by 10% of users, averaging 138 tweets per month, with the median user making only two tweets per month.

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