ITU-R BT.500-11 PDF

BT Draft revision of Recommendation ITU-R BT – Methodology for the subjective assessment of the quality of television pictures. The ITU Radiocommunication Assembly, considering a) that a large amount of information has been collected about the methods used in various laboratories for. ITU-R BT from publication: Are existing procedures enough? Image and video quality assessment: Review of subjective and objective metrics | Images.

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In this method videos are shown consequently in pairs: After their playback, expert is asked to give his opinion using impairment scale: In type I videos are played in pairs in one playback window. Each pair is repeated a given amount of times “repetition” parameter in the Iru-r Manager.

CiteULike: Rec. ITU-R BT

During playback expert is free to switch between two videos, named “Sequence A” and “Sequence B” by pressing Jtu-r button. One of videos is the reference one, but expert is not informed about it. After playback expert is asked to give his opinion about each video sequence. In type II which is used more often videos are played in pairs, and both videos are shown simultaneously.

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As in type I, one of videos is the reference one, but expert is not informed about it. Impairment scale is the same as in type I. In this method two sequences are played simultaneously, and after playback expert is asked to give his opinion using following comparison scale: Nt.500-11 test procedure expert is able to play any sequence from the test set and give it mark, plus he is able bt.50-011 play reference video.

Mark is in the range from 0 to In this case red mark appears on top of the video the expert is voting against. Basic Information Why update? Other resources Video resources: Implemented metrics short info: FAQ of 2-nd H. Video codecs comparison old Ext. For a given type of digital video filtration we typically develop a family of different algorithms and implementations. These optimized versions can be licensed to companies.

Please contact us for details via video at graphics. MSU filters statistics Filters for companies We are working with Intel, Samsung, RealNetworks and other companies on adapting our filters other video processing algorithms for specific video streams, applications and hardware like TV-sets, graphics cards, etc. Some of such projects are non-exclusive. Also we have internal researches.

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Please let us know via video at graphics. Subjective report on HEVC codecs comparison released! Express report on HEVC codecs comparison released! Call-for-codecs HEVC codec comparison released! HEVC codec comparison released!

BT : Methodology for the subjective assessment of the quality of television pictures

Report 8 on 3D-video Quality Analysis released! Report 7 on 3D-video Quality Analysis released! Report itu-t on 3D-video Quality Analysis released! The public objective benchmark for video-matting methods released!

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Send your comments to video compression. Filters for companies We are working with Intel, Samsung, RealNetworks and other companies on adapting our filters other video processing algorithms for specific video streams, applications and hardware like TV-sets, graphics cards, etc. Other Other information Crazy gallery filters screams: