• Subjective video quality is video quality as experienced by humans. It is concerned with how video is perceived by a viewer (also called "observer" or...
    18 KB (2,408 words) - 11:42, 16 April 2024
  • quality of a set of video sequences under study. Video quality can be evaluated objectively (by mathematical models) or subjectively (by asking users for...
    30 KB (2,792 words) - 11:52, 23 November 2024
  • considered the main characteristic of codec comparisons. Video quality comparisons can be subjective or objective. Performance characteristics such as...
    43 KB (2,827 words) - 23:23, 20 December 2024
  • and Video Engineering (LIVE) at The University of Texas at Austin. It predicts subjective video quality based on a reference and distorted video sequence...
    9 KB (1,067 words) - 22:12, 24 November 2024
  • (SSIM) Visual Information Fidelity (VIF) Human visual system Subjective video quality Video quality Just-noticeable difference Psychophysics Burningham, Norman;...
    14 KB (1,804 words) - 11:29, 24 June 2024
  • color changes. Video quality can be measured with formal metrics like peak signal-to-noise ratio (PSNR) or through subjective video quality assessment using...
    34 KB (3,694 words) - 01:21, 22 December 2024
  • assessment of video quality. Subjective assessment of video quality is considered to be the most important way to measure a video coding standard since...
    154 KB (16,550 words) - 16:22, 20 November 2024
  • Absolute Category Rating (category Film and video technology)
    for telephony voice quality to give a mean opinion score. Mean opinion score Subjective video quality P.910 : Subjective video quality assessment methods...
    2 KB (187 words) - 17:41, 22 May 2024
  • of video codecs Data compression § Video Display resolution Frame rate List of open-source codecs Multiplexing Sampling rate Subjective video quality Transcoding...
    15 KB (1,857 words) - 19:11, 6 December 2024
  • Thumbnail for Signal processing
    digital storage efficiency, correcting distorted signals, improve subjective video quality, and to detect or pinpoint components of interest in a measured...
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  • his opinion of the performance of a system quality". Such ratings are usually gathered in a subjective quality evaluation test, but they can also be algorithmically...
    10 KB (1,368 words) - 05:28, 23 February 2024
  • such as telephony and streaming video to describe a metric that reflects or predicts the subjectively experienced quality. In this context, QoS is the acceptable...
    38 KB (4,668 words) - 01:33, 26 November 2024
  • signal-to-noise ratio (PSNR) Subjective video quality Video quality ITU-T Rec. J. 247 (2008) ITU-T Rec. P.910 Subjective video quality assessment methods for...
    4 KB (390 words) - 17:25, 4 September 2024
  • Peak signal-to-noise ratio (category Film and video technology)
    Evaluation of Video Quality (PEVQ) Structural similarity index measure (SSIM) Subjective video quality Video Multimethod Assessment Fusion Video quality Oriani...
    10 KB (1,184 words) - 22:48, 22 September 2024
  • Lumi masking (category Video compression)
    is not perfect, however, and in some cases the degradation in quality it causes is visible. Subjective video quality "Questions". April 26, 2017. v t e...
    1,019 bytes (109 words) - 18:01, 14 September 2023
  • Thumbnail for Signal-to-noise ratio
    Signal-to-interference-plus-noise ratio SINAD SINADR Subjective video quality Total harmonic distortion Video quality The connection between optical power and voltage...
    25 KB (3,695 words) - 21:18, 24 November 2024
  • X264 (category Free video codecs)
    psychovisual enhancements which aim to increase the subjective video quality of the encoded video. Adaptive quantisation in two modes using VAQ. The second...
    14 KB (1,364 words) - 07:41, 23 March 2024
  • Thumbnail for Video super-resolution
    predicts subjective video quality based on a reference and distorted video sequence VIF (Visual Information Fidelity) is a full-reference image quality assessment...
    67 KB (6,510 words) - 20:57, 13 December 2024
  • predicting the perceived quality of digital television and cinematic pictures, as well as other kinds of digital images and videos. It is also used for measuring...
    26 KB (3,498 words) - 14:55, 21 December 2024
  • (weights defined in standard) to produce a result that copes with subjective quality assessment. There are two variations of the model. The Basic version...
    11 KB (1,334 words) - 19:16, 23 November 2023
  • Thumbnail for Point-of-view shot
    A point of view shot (also known as POV shot, first-person shot or subjective camera) is a film scene—usually a short one—that is shot as if through the...
    11 KB (1,278 words) - 20:47, 21 November 2024
  • ZPEG (category Video compression)
    processing problems such as video optimization, real-time motion video compression, subjective quality monitoring, and format conversion. The ZPEG company produces...
    16 KB (1,856 words) - 23:03, 13 April 2024
  • VQuad-HD (category Film and video technology)
    inspired modelling to emulate subjective perception. It compares the high quality reference video and the associated degraded video sequence under test. The...
    6 KB (685 words) - 06:04, 26 April 2024
  • Thumbnail for Subjective idealism
    Subjective idealism, or empirical idealism or immaterialism, is a form of philosophical monism that holds that only minds and mental contents exist. It...
    17 KB (2,276 words) - 22:43, 13 January 2024
  • Subjective constancy or perceptual constancy is the perception of an object or quality as constant even though our sensation of the object changes. While...
    9 KB (1,164 words) - 14:45, 3 January 2022
  • network itself. QoE however is a purely subjective measure from the user's perspective of the overall quality of the service provided, by capturing people's...
    17 KB (2,125 words) - 11:50, 31 May 2024
  • Thumbnail for Closed-circuit television
    extended video surveillance by the country's main political parties, SPD, CDU, and CSU have been dismissed as "little more than a placebo for a subjective feeling...
    95 KB (9,471 words) - 15:27, 22 December 2024
  • are of higher quality include a number of subjective evaluations and value judgements. For example, Robert J. Thompson's claim that "quality television"...
    32 KB (4,027 words) - 14:09, 16 November 2024
  • Genista Corporation (category Film and video technology)
    quality measurement technology that estimated the experienced quality that would be measured by a mean opinion score (MOS) resulting from subjective tests...
    5 KB (315 words) - 15:44, 18 June 2024
  • MPEG-1 (category Video codecs)
    is a standard for lossy compression of video and audio. It is designed to compress VHS-quality raw digital video and CD audio down to about 1.5 Mbit/s...
    90 KB (10,881 words) - 04:27, 21 December 2024