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Perceived video degradation
Video quality is a characteristic of a video passed through a video transmission or processing system that describes perceived video degradation (typically
Video_quality
Electronic moving image
worldwide. Video systems vary in display resolution, aspect ratio, refresh rate, color reproduction, and other qualities. Both analog and digital video can be
Video
Assessment of video quality as experienced by humans
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
Subjective_video_quality
Video camera system with a limited set of receivers
form of CCTV, using digital video recorders (DVRs), provides recording for possibly many years, with a variety of quality and performance options and
Closed-circuit_television
American video streaming service
Amazon Prime Video, known simply as Prime Video, is an American subscription video on-demand over-the-top streaming television service owned by Amazon
Amazon_Prime_Video
Video compression format, succeeds H.264/MPEG-4 AVC
at the same level of video quality, or substantially improved video quality at the same bit rate. For example, standard 4K video capture at 30 frames
High_Efficiency_Video_Coding
Digital video coder/decoder
video has lower quality than the original, uncompressed video because there is insufficient information to accurately reconstruct the original video.
Video_codec
Objective full-reference video quality metric
Video Multimethod Assessment Fusion (VMAF) is an objective full-reference video quality metric developed by Netflix in cooperation with the University
Video Multimethod Assessment Fusion
Video_Multimethod_Assessment_Fusion
Prediction of digital video quality
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
Structural similarity index measure
Structural_similarity_index_measure
are typically implementations of video coding formats. The compression may employ lossy data compression, so that quality-measurement issues become important
Comparison_of_video_codecs
Measure of quality of a stimulus or system
talking, or video quality tests. The MOS is expressed as a single rational number, typically in the range 1–5, where 1 is lowest perceived quality, and 5 is
Mean_opinion_score
Traffic prioritization and measure of network performance
professional video over IP, card-based payments, and real-time computing. In the field of telephony, quality of service was defined by the ITU in 1994. Quality of
Quality_of_service
Video of higher resolution than original television
High-definition video (HD video) is video of higher resolution and quality than standard-definition. While there is no standardized meaning for high-definition
High-definition_video
Certain video games often gain negative reception from reviewers perceiving them as having low-quality or outdated graphics, glitches, poor controls for
List of video games notable for negative reception
List_of_video_games_notable_for_negative_reception
CD-based format meant for digital video distribution
hour of analog audio and video (digital audio was added a few years later) on each side. The LaserDisc provided picture quality nearly double the resolution
Video_CD
Real-time video communication
slow-scan video, such as the first systems developed by AT&T Corporation, first researched in the 1950s, failed mostly due to the poor picture quality and the
Videotelephony
Analog videocassette recording format
smaller in size, and Betamax offered slightly better video quality than VHS – it had lower video noise, less luma-chroma crosstalk, and was marketed as
VHS
Machine learning model
2020s in the generation of high-quality, text-conditioned videos have largely been driven by the development of video diffusion models. There are different
Text-to-video_model
HTML element
compression, good image quality, and low decode processor use. Be royalty-free. In addition to software decoders, a hardware video decoder should exist for
HTML_video
Characteristic of an image
Subjective video quality Video quality Just-noticeable difference Psychophysics Burningham, Norman; Pizlo, Zygmunt; Allebach, Jan P. (2002). "Image Quality Metrics"
Image_quality
Digital electronic representation of moving visual images
and serial digital interface (SDI). Digital video can be copied and reproduced with no degradation in quality. In contrast, when analog sources are copied
Digital_video
used in the document "Defining Video Quality Requirements: A Guide for Public Safety", developed by the Video Quality in Public Safety (VQIPS) Working
Glossary_of_video_terms
Optical analog video disc format
digital; it stores an analog video signal. Many titles featured CD-quality digital audio, and LaserDisc was the first home video format to support surround
LaserDisc
streaming hardware in order to decrease bandwidth and increase quality. For stereo, video is usually streamed alongside the Opus or AAC audio codecs. For
List_of_YouTube_features
Video game narration technique
Full-motion video (FMV) is a video game narration technique that relies upon pre-recorded video files (rather than sprites, vectors, or 3D models) to
Full-motion_video
Video CD-based optical disc format
successor to Video CD and an alternative to DVD-Video, and falls somewhere between both in terms of technical capability and picture quality. Similar to
Super_Video_CD
of improving video quality in video compression. The name refers to the optimization of the amount of distortion (loss of video quality) against the amount
Rate–distortion_optimization
Video codec
Professional Video (APV) developed by Samsung Electronics Co., Ltd., is a royalty-free video codec designed for professional-level high-quality video recording
Advanced_Professional_Video
AMD hardware video codec, built into AMD GPUs and APUs
Video - Intel Clear Video - Intel Qualcomm Qualcomm Hexagon B-frames allow for higher-quality I and P frame to be used, improving the overall video quality
Video_Core_Next
File format
the videos would save a lot of space, but not without degrading the quality of the videos. Publishers who were more concerned about video quality instead
Audio_Video_Interleave
Platform for users to upload, share, or live stream videos on the Internet
download, publish and measure quality of service or audience engagement quality of experience of online video content for both video on demand (VOD) and live
Online_video_platform
2018 open and royalty-free video coding format
Netflix – announced that the initial focus of the video format would be delivery of high-quality web video. The official announcement of AV1 came with the
AV1
Magnetic tape-based videocassette format for camcorders
eight-millimeter machines for Minolta & Pentax. Video8 offers similar video quality to Beta-II and VHS in their standard-play modes. In terms of audio,
8_mm_video_format
Field of electrical engineering
storage efficiency, correcting distorted signals, improve subjective video quality, and to detect or pinpoint components of interest in a measured signal
Signal_processing
1985 French film
stars for video quality, and 2½ stars for audio quality. Jason Bovberg of DVD Talk gave the film 3 stars for both video and audio quality. Both reviewers
Subway_(film)
Video quality metric
Perceptual Evaluation of Video Quality (PEVQ) is an end-to-end (E2E) measurement algorithm to score the picture quality of a video presentation by means
Perceptual Evaluation of Video Quality
Perceptual_Evaluation_of_Video_Quality
Digital audiovisual data interface
Interface) is a brand of proprietary digital interface used to transmit high-quality video and audio signals between devices. It is commonly used to connect devices
HDMI
1992 animated musical fantasy film by Bill Kroyer
Edition". Aaron Peck from High Def Digest gave it 3 stars out of five for video quality, four stars for audio and three-and-a-half stars for extras. Brian Orndorf
FernGully: The Last Rainforest
FernGully:_The_Last_Rainforest
Metric used to measure signal quality
Evaluation of Video Quality (PEVQ) Structural similarity index measure (SSIM) Subjective video quality Video Multimethod Assessment Fusion Video quality Oriani
Peak_signal-to-noise_ratio
Measure of a customer's experiences
indicator of experienced quality has been used for audio and speech communication, as well as for the assessment of quality of Internet video, television and other
Quality_of_experience
Network-connected digital video camera
network. Data storage capacity concerns High video quality has the potential to overload networks If video is transmitted over the public internet rather
IP_camera
Video or display resolutions with a width of around 4,000 pixels
video uploads in 2010 as a result of leading manufacturers producing 4K cameras. Users could view 4K video by selecting "Original" from the quality settings
4K_resolution
Disc with standard-definition video
standard-definition video instead of the high-definition video found on typical Blu-ray discs. This is often due to the highest quality version of the feature
SD_Blu-ray
Formats of illegally-distributed movies
Internet. The quality and popularity of pirated movie release types vary widely, due to the different sources and methods used for acquiring the video content
Pirated_movie_release_types
Video encoding and decoding hardware by Intel
situations where speed is more important than the best possible quality. Unlike video encoding on a CPU or a general-purpose GPU, Quick Sync is a dedicated
Intel_Quick_Sync_Video
Family of videocassette formats
addition to improvements in video quality by using split component video, the Betacam configuration of an integrated professional video camera and recorder led
Betacam
Broadcast quality is a term to denote the quality achieved by professional video cameras and time base correctors (TBC) used for broadcast television,
Broadcast_quality
Number of frames rendered in one second
artifacts, and degrades the video quality. Consequently, the temporal resolution is an important factor affecting video quality. Algorithms for FRC are widely
Frame_rate
"Lossless" video quality. "#534 (Ut Video Support) – FFmpeg". ffmpeg.org. Retrieved March 22, 2017. "Ut Video Codec Suite - a new lossless video codec for
Ut_Video_Codec_Suite
Home video game console by Sony
criticized the DVD playback functionality, claiming that the console's video quality was "passable" and that the playback controls were "rudimentary", recommending
PlayStation_2
1995 film directed by Rachel Talalay
gave the version three and a half stars out of five for video quality, four stars for audio quality, and two and a half stars for extras. This edition was
Tank_Girl_(film)
Generating high-resolution video frames from given low-resolution ones
the final output image When working with video, temporal information could be used to improve upscaling quality. Single image super-resolution methods could
Video_super-resolution
2013 open and royalty-free video coding format
Open Video (NGOV) and VP-Next. The design goals for VP9 included reducing the bit rate by 50% compared to VP8 while maintaining the same video quality, and
VP9
Video recording device manufactured by Cisco
although the inclusion of HD video cameras in many smartphones has since made them a more niche product. Flip cameras' video quality was unusually good for
Flip_Video
American engineer (born 1958)
for his work on low-level vision, natural scene modeling, image quality, and video quality. He has published more than 1000 technical articles, books, and
Alan_Bovik
Signal format for standard-definition video
It encodes video luma and chrominance on two separate channels, achieving higher image quality than composite video, which encodes all video information
S-Video
Type of image
quality. According to the authors, using a salience map reduces the final size of the video with the same visual perception. Image and video quality assessment:
Saliency_map
Video games with little or no violence
primarily reactionary in nature. As video quality and level of gaming technology have increased, the violent nature of some video games has gained worldwide attention
Nonviolent_video_game
ITU-T standard
Objective Listening Quality Analysis (POLQA) was the working title of an ITU-T standard that covers a model to predict speech quality by means of analyzing
Perceptual Objective Listening Quality Analysis
Perceptual_Objective_Listening_Quality_Analysis
Type of surveillance camera
with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to be taken up versus the quality of picture needed or
Closed-circuit television camera
Closed-circuit_television_camera
Device or program that encodes/decodes audio data in some bitstream format
high-fidelity audio signal with a minimum number of bits while retaining quality. This can effectively reduce the storage space and the bandwidth required
Audio_codec
Video-upscaling feature
likely added in the future. Nvidia released RTX Video Super Resolution 1.5 with improved video quality and RTX 20 series support on October 17, 2023. According
Video_Super_Resolution
2014 film by James Rolfe
intentionally poor-quality, titled EeeTee 2. Thanks to the popularity and success of the Angry Video Game Nerd web series, sales of such video games have increased
Angry Video Game Nerd: The Movie
Angry_Video_Game_Nerd:_The_Movie
Compact encoding of digital data
trade-off between video quality and bit rate, cost of processing the compression and decompression, and system requirements. Highly compressed video may present
Data_compression
Model for predicting digital media quality
The MOtion-tuned Video Integrity Evaluation (MOVIE) index is a model and set of algorithms for predicting the perceived quality of digital television and
MOVIE_Index
Width and height of a display in pixels
read (see example image below). Many users upgraded to higher-quality televisions with S-Video or RGBI inputs that helped eliminate chroma blur and produce
Display_resolution
Non-destructive audio, video, or image editing
low-resolution copies of the video. This makes it possible to edit both standard-definition broadcast quality and high definition broadcast quality very quickly on
Non-linear_editing
1995 video game
release on the Sega CD, where it was the same game, but with downgraded video quality. Both versions were bundled and sold together as one package for the
Fahrenheit_(1995_video_game)
Defunct live-streaming platform
allow broadcasters to add effects or stream higher quality video. Justin.tv had no default video quality setting; instead, it set bitrate on a case-by-case
Justin.tv
Electronic game with user interface and visual feedback
customization they can add into a game. Like all software, video games usually undergo quality testing before release to assure there are no bugs or glitches
Video_game
Process of transforming 2D film to 3D form
properly and thoroughly, the conversion produces stereo video of similar quality to "native" stereo video which is shot in stereo and accurately adjusted and
2D_to_3D_conversion
8-bit home computer introduced in 1982
electrically compatible with) S-Video, for connection to the Commodore 1702 monitor, providing even better video quality than a composite signal. Aggressive
Commodore_64
YouTube channel made by Google to test video quality
Google Zürich. The videos are made to test YouTube video quality. After creation, the videos are uploaded to YouTube. The uploaded videos are then compared
Webdriver_Torso
Average amount of data transferred per unit time
measure of audio or video quality, since more efficient compression methods use lower bitrates to encode material at a similar quality. Average bitrate can
Average_bitrate
1983 LaserDisc-based arcade game
Dragon's Lair release. The games were also updated to include higher quality video, authentic scene order and a new difficulty selection to make it more
Dragon's Lair (1983 video game)
Dragon's_Lair_(1983_video_game)
Process of producing video content
Video production is the process of producing video content. It is the equivalent of filmmaking, but with video recorded either as analog signals on videotape
Video_production
Video editing software
video quality for interlaced input file - spots and blurred areas are compensated. Scene detection - search and separate one scene of the video from the
AVS_Video_Editor
Home security products manufacturer
(January 6, 2025). "Ring is giving two of its best security cameras a free video-quality upgrade this week". TechRadar. Retrieved January 9, 2025. Wollerton
Ring_(company)
console automation. The video quality first introduced with Avid's Media Composer in 1989 was incapable of producing broadcast quality images due to computer
Online editing (video production)
Online_editing_(video_production)
Video-conferencing software developed by Google
Optimization is further achieved through the degradation of video quality through monitoring network quality. For packet loss concealment Meet uses WaveNetEQ. In
Google_Meet
Objective full-reference image quality assessment
Image and Video Engineering (LIVE) at the University of Texas at Austin in 2006. It is deployed in the core of the Netflix VMAF video quality monitoring
Visual_information_fidelity
Authoring and animation program
deceleration. Video capabilities were significantly enhanced. Flash 8 included a new high-quality video codec, On2 VP6, that offered superior video quality at smaller
Macromedia_Flash_8
Video game console add-on
as Night Trap, Dragon's Lair and Space Ace. FMV quality was substandard on the Sega CD due to poor video compression software and limited color palette
Sega_CD
much like many home theatre receivers. The VideoWave was judged to have good audio quality, video quality and features, but was criticized for costing
VideoWave
Third season of Avatar: The Last Airbender episode list
also received praise for its video, redemption of Zuko, and sound quality. Nick Lyons from DVD Talk felt that the video quality appeared better than previous
Avatar: The Last Airbender season 3
Avatar:_The_Last_Airbender_season_3
ITU-T standard
Listening Quality Analysis (POLQA) Perceptual Evaluation of Video Quality (PEVQ) Perceptual Evaluation of Audio Quality (PEAQ) Hearing-Aid Speech Quality Index
Perceptual Evaluation of Speech Quality
Perceptual_Evaluation_of_Speech_Quality
Camera model
and its price. It was criticized for being only 16 megapixels, poor video quality, not being weather sealed, and poor subject tracking. The X-T10 lacks
Fujifilm_X-T10
1994 video game
game were mixed, generally criticizing the repetitive gameplay and low video quality, though many reviewers enjoyed the campy nature of the cutscenes. Corpse
Corpse_Killer
Television transmission using digital encoding
entertainment-quality video to broadband Internet subscribers. By the late 2000s, broadband Internet speeds were sufficiently high to enable HD-quality video to
Digital_television
Professional digital video cassette format
62 mm in diameter, and the video tracks, which are read by the video heads in the head drum, are 20 microns wide. Video quality is generally very high; at
Digital-S
Subfield of cognitive science
of Natural Scenes Statistics Models has been perceptual picture and video quality prediction. For example, the Visual Information Fidelity (VIF) algorithm
Scene_statistics
Company that used computational models of human visual and auditory systems
opinion score Video quality Digital video Video quality evaluation for mobile streaming applications[permanent dead link] Video quality evaluation for
Genista_Corporation
Ratio of the desired signal to the background noise
Signal-to-interference-plus-noise ratio SINAD SINADR Subjective video quality Total harmonic distortion Video quality The connection between optical power and voltage
Signal-to-noise_ratio
Accessory for adapting or connecting two devices or two workpieces
adapter or an asymmetric cable, no signal conversion is required, so video quality is not lost. “This means that DVI can be connected to an HDMI input
Adapter
Algorithm for objectively measuring perceived audio quality
Speech Quality Index (HASQI) Objective difference grade Perceptual Evaluation of Speech Quality (PESQ) Perceptual Evaluation of Video Quality (PEVQ) Sound
Perceptual Evaluation of Audio Quality
Perceptual_Evaluation_of_Audio_Quality
wheel in hopes of obtaining a rare or high-quality item or character. Puzzle video game A broad genre of video games involving puzzle solving, often with
Glossary_of_video_game_terms
Video camera connected to a computer or network
one-to-one live video communication over the Internet has now reached millions of mainstream PC users worldwide. Improved video quality has helped webcams
Webcam
Open source camera app for Android devices
using sound-based activation, Changing photo and video file name prefixes, Image and video quality and format options, Custom Exif tags, Customisable
Open_Camera
Nvidia's hardware SIP core that performs video decoding
Based on the GeForce FX's video-engine (VPE), PureVideo re-used the MPEG-1/MPEG-2 decoding pipeline, and improved the quality of deinterlacing and overlay-resizing
Nvidia_PureVideo
Distribution of television content via the public internet
resolution helps to measure the size of the streaming quality of video pixels. High-definition video (720p+) and later standards require higher bandwidth
Streaming_television
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