JPEG

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JPEG
Phalaenopsis JPEG.png
Metung a letratu ning sampagang paragdag nang paragdag ing kayang lossy compression ratio manibat kaili anggang wanan
File extension .jpg, .jpeg, .jpe
.jif, .jfif, .jfi (containers)
MIME type image/jpeg
Type code JPEG
Uniform Type Identifier public.jpeg
Magic number ff d8
Developed by Joint Photographic Experts Group
Type of format lossy image format

King computing, ing JPEG (a yagkas dang JAY-peg; IPA: /ˈdʒeɪpɛɡ/), metung yang maralas gagamitan a paralan ning compression para kareng letratu (photographic images). Maliari yang alilan ing sikan (o pangasiksik) ning pamag-compress, ania maliaring mamili king dagul ning simpan (file size) ampo ing lino ning larawan. Keraklan, babie yang 10 to 1 compression ing JPEG, at ditak mu ing mayayakit a pangabawas king lino ning larawan.

Ing JPEG ing maralas diling magagamit a format para kareng larawan a gagamitan da reng digital camera ampo reng aliwang kasangkapan a kukuang larawan. Iti murin ing pekamaralas dang gagamitan king pamagsimpan (storing) ampong pamagparalang larawan kapamilatan ning World Wide Web.

Ing MIME media type para king JPEG, image/jpeg ya (defined ya king RFC 1341).

Ing JPEG standard[mag-edit | edit source]

Ing lagiung "JPEG" mangabaldugan yang Joint Photographic Experts Group, ing lagiu ning komite o lupung a miglalang ketang standard. Mitátag ya iting grupu aniang 1986, at migpalual yang standard kanitang [[1992[[, at me-apruba ya o metanggap iti kanitang 1994 antimong ISO 10918-1. Aliwa ya ing JPEG king MPEG (Moving Picture Experts Group), a gagawang sistema ning pamag-compress para kareng alben o video.

Tutulduan/lilinawan ne ning JPEG standard ing codec, a mag-isplika nung makananu yang ko-compress o sisiksik ing metung a larawan king agus (stream) da reng byte, at lalako nong pasibayu pangasiksik (decompress) deti ba lang isubli pangabalangkas king metung a larawan, ampo ing file format a magagamit king pamaglangkap o pamanyinup (contain) king agus a ita.

Deng standard[mag-edit | edit source]

  • JPEG (lossy and lossless): ITU-T T.81, ISO/IEC IS 10918-1
  • JPEG (extensions): ITU-T T.84
  • JPEG-LS (lossless, improved): ITU-T T.87, ISO/IEC IS 14495-1
  • JBIG (black and white pictures): ITU-T T.82, ISO/IEC IS 11544-1
  • JPEG 2000 (successor of JPEG/JPEG-LS): ITU-T T.800, ISO/IEC IS 15444-1
  • JPEG-2000 (extensions): ITU-T T.801

Lon la murin deti[mag-edit | edit source]

Dalerayan[mag-edit | edit source]

Suglung palual[mag-edit | edit source]