{"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\/novosti-interneta\/google-predstavil-biblioteku-jpegli-dlya-bolee-effektivnogo-szhatiya-jpeg-izrbrazhenij","title":{"rendered":"Google tutvustas jpegli raamatukogu JPEG-piltide t\u00f5husamaks kompressimiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google on v\u00e4lja andnud uue avatud jpegli raamatukogu, mis sisaldab JPEG-formaadis piltide kodeerimise ja dekodeerimise teostust. Raamatukogu sisaldab t\u00e4iendavaid optimeerimisi kodeerimise efektiivsuse suurendamiseks, v\u00f5imaldades 35% v\u00f5rra suurendada kvaliteetsete piltide kompressioonitaset v\u00f5rreldes traditsiooniliste JPEG-kodeerijatega. V\u00f5rreldes libjpeg-turbo'ga v\u00f5imaldab jpegli raamatukogu saavutada sarnast kvaliteetset taset bitikiirusel, mis on 32% madalam. API ja ABI tasandil on raamatukogu t\u00e4ielikult \u00fchilduv libjpeg62-ga ja seda saab kasutada selle sujuvaks asendamiseks. Raamatukogu kood on kirjutatud C++ keeles ja levitatakse BSD litsentsi alusel.

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

Surve kvaliteedi t\u00f5stmine saavutatakse edasij\u00f5udnud tehnoloogiate kasutamisega pildim\u00fcra v\u00e4hendamiseks ning kvaliteedi t\u00f5stmiseks, mis kasutavad t\u00f5husamaid ps\u00fchhovisuaalse modelleerimise meetodeid tekkivate artefaktide v\u00e4hendamiseks. Eriti jpegli puhul rakendatakse kohanduvat kvantimise heuristikat, mida kasutatakse JPEG XL projektis, samuti t\u00e4iustatud kvantimismatrixi valikualgoritme ja vahemeetodite arvutamist. <\/p>\n

jpegli raamatukogu v\u00f5imaldab kodeerida pilte, eraldades 10 ja rohkem bitti v\u00e4rvikomponendi kohta. Sellega seoses kohandatakse uute kodeerimisalgoritmide tulemusi traditsioonilisele JPEG formaadi mudelile, mis lubab kasutada ainult 8 bitti v\u00e4rvikomponendi kohta. See omadus tagab \u00fchilduvuse juba olemasolevate dekooderitega, mis on m\u00f5eldud 8-bitiste v\u00e4rvikomponentide esitamiseks. <\/p>\n

jpegli abil kodeeritud pildid vastavad t\u00e4ielikult JPEG-standardile, ei vaja spetsiifilisi dekoodereid ja neid saab vaadata olemasolevates JPEG-vaatamisprogrammides ja veebibrauserites. Piltide, mis on kodeeritud jpegli abil, dekodeerimiseks oma dekooderi kasutamine v\u00f5imaldab saavutada t\u00e4iendavat artefaktide v\u00e4henemist. Kodeerimise kiirus jpegli abil on v\u00f5rreldav libjpeg-turbo ja MozJPEG raamatukogudega.
\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-novosti-interneta"],"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 JPEG-piltide t\u00f5husamaks tihendamiseks | ProHoster","description":"Google tutvustas uut avatud raamatukogu jpegli, mis sisaldab JPEG-formaadis piltide kodeerija ja dekooderi teostust. Raamatukogu sisaldab t\u00e4iendavaid optimeerimisi, et parandada kodeerimise efektiivsust, v\u00f5imaldades k\u00f5rge kvaliteediga piltide tihendust suurendada 35% v\u00f5rra v\u00f5rreldes traditsiooniliste JPEG-koodekitega. v\u00f5rreldes libjpeg-turbo'ga saavutab raamatukogu jpegli sarnase kvaliteedi taseme, v\u00e4hendades samal ajal bitikiirusena 32%.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/google-predstavil-biblioteku-jpegli-dlya-bolee-effektivnogo-szhatiya-jpeg-izrbrazhenij","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS 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\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 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