🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسیไทย한국어中文日本語EntityQ2877· pop 30· linked from 1,559 articlesdiscrete cosine transformAlso known as DCTtechnique representing data as sums of cosine functionsWikidata factsImageDCT-4x4.pngSources (3)wikidata.orgdocs.openalex.orgweb.archive.orgvia Wikidata · CC0Available in 29 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةConnectionsvideotelephonyEntitydata compressionEntityCategoriesData compressionDigital signal processingDiscrete transformsFourier analysisH.26xImage compressionJPEGLossy compression algorithmsVideo compression