Utloisisa Metadata: Boitsebiso bo Patehileng ho Photo Files
Potso: Ke Metadata ke eng?
Hoo e ka bang EXIF, IPTC le XMP Metadata e sebelisitsoeng ho Graphics Software
Karabo: Metadata ke lentsoe bakeng sa boitsebiso bo hlalosang bo kenngoa ka har'a setšoantšo kapa mofuta o mong oa faele. Metadata e ntse e se e le ea bohlokoa ho feta mehleng ena ea litšoantšo tsa digital moo basebelisi ba batlang mokhoa oa ho boloka boitsebiso ka litšoantšo tsa bona tse khonehang le ho lula le faele, ka bobeli hona joale le nakong e tlang.
Mofuta o mong oa metadata ke tlhahisoleseding e eketsehileng hoo hoo e ka bang tsohle likhamera tsa digital li boloka ka litšoantšo tsa hau. Metadata e hapuoeng ke khamera ea hau e bitsoa data EXIF, e emelang Formatable Image File Format. Software e ngata ea photo photo photo photo e ka bonts'a tlhahisoleseding ea EXIF ho mosebedisi, empa hangata ha e fetohe.
- Kaofela ka Tsebiso ea EXIF ka Lifaele tsa Photo Photo
Leha ho le joalo, ho na le mefuta e meng ea metadata e lumellang basebedisi ho eketsa tlhahisoleseding ea bona e hlalosang ka har'a setšoantšo sa digital kapa setšoantšo sa setšoantšo. Metsadata ena e ka kenyelletsa litšoaneleho tsa setšoantšo, boitsebiso ba litokelo tsa molao, litlhaloso, likoloto, li-keyword, letsatsi la pōpo le sebaka, tlhahisoleseding ea mohloli, kapa litaelo tse khethehileng. Mefuta e 'meli ea metadata e tloaelehileng haholo bakeng sa lifaele tsa setšoantšo ke IPTC le XMP.
- IPTC ke mokhoa o ntlafalitsoeng lilemong tsa bo-1970 ke International Press Telecommunications Council. Qalong e ile ea ntlafatsoa e le tekanyetso ea ho fapanyetsana tlhahisoleseding pakeng tsa mekhatlo ea litaba le ho iphetola ha nako. Hoo e ka bang ka 1994, foromo ea "Fense Info" ea Adobe Photoshop e ile ea nolofalletsa basebelisi ho kenya le ho fetola methapo ea IPTC ka lifaele tsa setšoantšo sa digital mme kahoo e amoheloa ke mekhatlo ea lifoto tsa litšoantšo le likhoebo tse ling tsa khatiso ntle le litaba tsa litaba.
- XMP ke setsi sa "Setsi sa Metadata se Eketsehileng" se thehiloeng ho Adobe ka 2001. Adobe e sebetsane le IPTC ho kenyelletsa "IPTC" lihlooho tsa khale tsa XMP 'me ka 2005 tlhahiso ea "IPTC Core Schema ea XMP" e lokolloa . XMP ke mohloli o bulehileng, mokhoa oa setjhaba, o nolofaletsa baetsi ho amohela melaetsa ea software ea motho e mong. Metadata ea XMP e ka kenngoa mefuteng e mengata ea lifilimi , empa bakeng sa litšoantšo tse hlakileng, hangata li bolokiloe ka lifaele tsa JPEG le TIFF .
Boholo ba mananeo a kajeno a ho etsa litšoantšo le a ho fana ka litšoantšo bo fana ka matla a ho kenya le ho fetola metadata ka lifaele tsa hau tsa setšoantšo, hape ho na le mehloli e mengata e khethehileng ea ho sebetsana le mefuta eohle ea metadata e kenyelletsang EXIF, IPTC le XMP. Software e 'ngoe ea khale ha e tšehetse metadata, mme u ipeha kotsing ea ho lahleheloa ke tlhahisoleseding ena haeba u fetola le ho boloka lifaele tsa hau ka metadata e kenyelelitsoeng lenaneong le sa tšeheheng.
Pele ho litekanyetso tsena tsa metadata, tsamaiso e 'ngoe le e' ngoe ea tsamaiso ea litšoantšo e na le mekhoa ea eona ea ho boloka tlhahisoleseding ea setšoantšo, e leng se bolelang hore tlhahisoleseding e ne e sa fumanoe ka ntle ho software - haeba u rometse setšoantšo ho motho e mong, tlhahisoleseding e hlalosang ha ea ka ea tsamaea le eona . Metadata e lumella tlhahisoleseling ena hore e tsamaisoe le faele, ka tsela e ka utloisisoang ke lisebelisoa tse ling tsa software, thepa le basebelisi ba qetello. E ka ba e fetisetsoa pakeng tsa liforomo tsa faele.
Tšabo ea Sharing le Metadata
Morao tjena, ka ho phahama ha foto ho arolelana liwebsaeteng tse kang Facebook, ho bile le tšabo le ho ameha ka tlhahisoleseling ea botho joaloka dintlha tsa sebaka se kenngoa metadata ea lifoto tse arolelanoang marang-rang. Leha ho le joalo, tšabo ena ha e na motheo, leha ho le joalo, kaha marang-rang a maholo a metsoalle a hlophisa metadata e mengata ho kenyeletsa tlhahisoleseding ea sebaka kapa li-coordinates tsa GPS.
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