Susa isizinda JPG

Ukukhanya JPG images ngokucofoza okulodwa

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Ukulayisha

Indlela yokususa i JPG isizinda

1 Layisha phezulu i JPG images oyifunayo ukuyocisha - isiqephu esicacile esibhekene nesizinda esihlukanisiwe sinikeza imodeli okuncane ukucabanga.

2 Lungiselela uma imodeli yokuhlukaniswa icabanga i-alpha matte ye-pixel ngayinye; akukho ukufihla okwenziwa ngesandla.

3 Khangela izingqimba ezibonakalayo, ikakhulukazi izinwele, izinwele, ingilazi kanye nokugqwala kokuhamba, lapho i-matte ezenzakalelayo ibhekana khona.

4 Layisha ngezansi imiphumela njenge-PNG noma i-WebP ukuze ukubukeka okucacile kuhlale kuqhubeka — ugcine ukucisha njenge-JPG kubeka okumhlophe emuva.

Susa isizinda JPG Imibuzo Evame Ukubuzwa

Ingabe ifomethi yami yomsuka ithinta umgangatho we-matte?

Yebo. I-JPG igcina i-8-bit RGB nge-DCT elahlekile nge-4:2:0 chroma subsampling ngokuzenzakalela, ngakho umbhalo obomvu oqinile kanye nama-edge anzima yizinto zokuqala zokuncibilikisa. Izinto ezifakiwe zokucindezela ezijikeleze isiqephu ziyilokho okudingayo imodeli yokuhlukaniswa ukuze ihlukanise, ngakho-ke ukungeniswa okuhlanzekile kunikeza isiphetho esihlanzekile.

Ingabe kukhona okuthile okukhethekile ku JPG okufanele ngicabangele?

Yebo — ngayinye igcina iphinde iqhube i-quantiser, ngakho ukuhlela futhi ugcine kabusha i-JPG kuholela ekulahleni kokukhiqizwa noma ngabe awukhuphuli i-slider yekhwalithi. Lokhu kubukeka kulokho imodeli ebona nokuthi i-output ingathwala.

Ifomu linjani elifanele ligcinwe khona imiphumela?

Omunye one-alpha channel engokoqobo — PNG noma WebP. Ukugcina ukucisha njenge-JPG kususa ukubukeka okucacile futhi kuhlanganise isiqephu esimhlophe, okuzosusa umsebenzi wonke futhi kube yilokho okujwayelekile kakhulu okuzohamba kahle lapha.

Indlela i Susa isizinda JPG ekhetha ngayo isizinda?

Ngokucacile, a U^2-Net segmentation model predicts a per-pixel alpha matte and the background is cut away — but a lossy source has soft, compressed edges, so the matte is refined afterwards, and the output has to go to a format with an alpha channel rather than back to a lossy one. Akukho inyathelo lokufihla ngesandla — imodeli yokwahlukanisa ye-neural yenza ukuhlukaniswa futhi uthola imiphumela ecacile emuva.

Ingabe ngizosebenzisa Susa isizinda JPG ku JPG images amaningi ngasikhathi sinye?

Yebo. Thola isethulo esigcwele endaweni yokulayisha bese zihamba ngokufanayo nezilungiselelo ezifanayo - lokhu kuyisizathu esiyinhloko sokwenza lokhu kubrowser ngaphezu kwefayela elilodwa ngasikhathi sinye kumhleli. Ama-akhawunti amahhala aqhuba ifayela elilodwa ngasikhathi sinye; i-pass lifts that.

Yini ekwenzeke ku-EXIF nedatha yeprofayili yombala?

Ikhamera EXIF (ISO, i-shutter, i-lens, GPS) neprofayili efakwe ngaphakathi ye-ICC idluliselwa ngokuzenzakalela, ngoba ukushiya iprofayili kwenza umbala ushintshe uma ufaka kabusha. Sebenzisa ukhetho lokufihla ukususa i-metadata ngaphambi kokulayisha uma uhlela ukushicilela ifayela.

Ingabe kunesilinganiselo sobukhulu behele ku Susa isizinda JPG?

Yebo: ama-akhawunti amahhala asebenza ngezithombe kuze kube yi-5 MB ngayinye, ehlanganisa ngokuyinhloko yonke ikhamera JPG nesithombe sefoni; umsebenzi ukwenziwa yi-libjpeg-turbo ne-libwebp, ama-library afanayo umhleli wedesktop uxhumana nawo. Amafayela amakhulu yizinto ezincane ezizokuvimbela ukungena ku-free level, futhi umkhawulo uhele ngalinye hhayi iqembu ngalinye.

Ingabe Susa isizinda JPG izonciphisa ukhwalithi ye JPG images yami?

Umsuka olahlekelwayo usuke umphumela wesikhathi sokungena esingu-1, futhi noma yisiphi isenzo esidinga ukuphinde sikhombise sifaka isithathu. lapho umsebenzi ungakwenziwa khona ngaphandle kokuchofoza i-pixel data sizokwenza lokho endaweni, futhi lapho kungasakwazi khona ukhetha i-quality factor wena ngokwakho ngaphezu kokuthola iphutha eliqinile.

Kungani i Word site i host Susa isizinda JPG?

WORD.to ikhiwa ngaphesheya kwesokudla sokugcina esihleliwe sempilo yedokhumende — i-DOCX eqhubeka nokubhalwe, eqhubeka nokuhlelwa futhi eqhubeka nokuhlelwa, ngaphambi kokuba umuntu ayenze ibe mhlophe ukuthunyelwa. Amafayela we-Office ayizitolo ezigcwele izithako zabanye abantu - izithombe, umsindo ofakwe, amafonti - ngakho-ke umsebenzi odinga ukuwuthola abantu kulokhu kuvame ukuba umsebenzi odinga ukuwuthola kulezi zinto eziqukethwe. Susa isizinda JPG ihlanganisa uku-upload, ama-caps ne-akhawunti ngokuguqulwa ngenxa yale sizathu.

Yini okufanele ngiyenze ngemiphumela uma i Susa isizinda JPG iqediwe?

Umguquli kule ndawo uthatha amadokhumende ePDF ukuthunyelwa, kuzithombe ukufakelwa kanye nombhalo ojwayelekile nganoma yini edinga ukuwafunda ngokuzenzakalela, futhi ubuyela emuva ngenye indlela. Ukwenza lokhu ngemuva kugcina okuzenzakalelayo okuhleliwe, okuyingxenye ongayithola emuva uma iphathwe.

Ingabe Susa isizinda JPG lapha ithuluzi elifanayo lezindawo ezifanayo ezisebenza?

Ama-engine ahlukaniswe - i-document toolchain efanayo, abasebenzi abafanayo, ama-limits afanayo. I-Word site engeza ukubukeka kwento ephilayo eshiya i-Office format futhi yini engakwenzanga, okuyimibuzo ngayinye yalezi misebenzi empeleni ishintsha. Iqala futhi kusuka kuqiniso elinye mayelana nefomethi le-site ibizwa ngemuva: idokhumende liyi-zip ye-XML, ngakho ukuhlela umbhalo kubiza kakhulu futhi ubunzima buhlala bufana nezithombe ezifakwe.

Ngidinga i-akhawunti, futhi yini egcinwa?

Akukho akhawunti, futhi akukho okugcinwa: ukuthunyelwa kususwa abasebenzayo ngemuva komsebenzi oqediwe, akukho okufundwayo futhi akukho okuhlobene. Ama-akhawunti amahhala akhona ngembali nenani leqembu, hhayi ukufinyelela.