{"id":114785,"date":"2024-04-04T12:25:48","date_gmt":"2024-04-04T10:25:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-predstavil-biblioteku-jpegli-dlya-bolee-effektivnogo-szhatiya-jpeg-izrbrazhenij"},"modified":"2024-04-04T12:25:48","modified_gmt":"2024-04-04T10:25:48","slug":"google-predstavil-biblioteku-jpegli-dlya-bolee-effektivnogo-szhatiya-jpeg-izrbrazhenij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/google-predstavil-biblioteku-jpegli-dlya-bolee-effektivnogo-szhatiya-jpeg-izrbrazhenij","title":{"rendered":"Google esitles jpegli teeki, et t\u00f5husamalt JPEG-pilte tihendada","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google tutvustas uut avatud jpegli teeki, mis sisaldab JPEG-pildi kodeerimise ja dekodeerimise rakendust. Teek sisaldab t\u00e4iendavaid optimeerimisi kodeerimise efektiivsuse t\u00f5stmiseks, mis v\u00f5imaldab 35% v\u00f5rra suurendada kvaliteetsete piltide tihenduse m\u00e4\u00e4ra v\u00f5rreldes traditsiooniliste JPEG koodekitega. V\u00f5rreldes libjpeg-turbo'ga v\u00f5imaldab jpegli teek saavutada sarnast kvaliteeditaset 32% v\u00f5rra madalama bitikiirusen ja. API ja ABI tasemel on teek t\u00e4iesti \u00fchilduv libjpeg62-ga ja seda saab kasutada selle sujuvaks asendamiseks. Teegi kood on kirjutatud C++ keeles ja seda levitatakse BSD litsentsi alusel.

\"Google<\/center> <\/p>\n

Tihendustaseme t\u00f5stmine saavutatakse arenenud tehnoloogiate rakendamisega, et v\u00e4hendada pildi m\u00fcra ja suurendada kvaliteeti, kasutades efektiivsemaid ps\u00fchhovisuaalse modelleerimise meetodeid, et v\u00e4hendada tekkivaid artefakte. T\u00e4psemalt on jpegli teekis rakendatud adaptatiivne kvantimise heuristika, mida kasutab JPEG XL projekt, samuti t\u00e4iustatud kvantimise maatriksite valimise ja vahe tulemuste kalkuleerimise algoritmid. <\/p>\n

jpegli teek v\u00f5imaldab kodeerida pilte, kasutades 10 ja rohkem bitti v\u00e4rvika komponentide kohta. Sellega kohandatakse uute kodeerimisalgoritmide tulemusi traditsioonilise JPEG formaadi mudeliga, mis lubab kasutada ainult 8 bitti v\u00e4rvika komponentide kohta. Selline omadus v\u00f5imaldab s\u00e4ilitada \u00fchilduvust juba olemasolevate 8-bitiste v\u00e4rvide dekooderitega. <\/p>\n

jpegli teega kodeeritud pildid vastavad t\u00e4ielikult JPEG standardile, ei vaja spetsiifilisi dekoodereid ja neid saab vaadata olemasolevates JPEG vaatamisprogrammides ja veebibrauserites. jpegli abil tihendatud piltide lahtipakkimiseks oma dekooderi kasutamine v\u00f5imaldab saavutada t\u00e4iendavat artefaktide v\u00e4henemist. jpegli kodeerimise kiirus on v\u00f5rreldav libjpeg-turbo ja MozJPEG teekidega.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u0443\u044e \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 jpegli \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 JPEG. \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043d\u0430 35% \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u0441\u0442\u0435\u043f\u0435\u043d\u044c \u0441\u0436\u0430\u0442\u0438\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0445 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439, \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u043c\u0438 \u043a\u043e\u0434\u0435\u043a\u0430\u043c\u0438 JPEG. \u0412 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0438 \u0441 libjpeg-turbo \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 jpegli \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u043f\u0440\u0438 \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u0438 \u0431\u0438\u0442\u0440\u0435\u0439\u0442\u0430 \u043d\u0430 32%. \u041d\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":114786,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-114785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Google esitles jpegli raamatukogu, et 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