Uma udinga ukukhulisa into e-Photoshop, ungasebenzisa indlela ye-Interpolation. Le ndlela ingakwazi ukwandisa nokunciphisa isithombe sokuqala. Kunezinhlobo eziningana zeNqubo ye-Interpolation; indlela ehlukile ivumela ukuthola isithombe sekhwalithi ethile.
Isibonelo, ukusebenza kokwandisa ubukhulu besithombe sokuqala kuhilela ukwakhiwa kwamaphikseli angeziwe, umbala wombala ohambisana kakhulu namaphikseli aseduzane.
Ngamanye amazwi, uma amaphikseli omnyama namhlophe atholakala eceleni kwesithombe sokuqala, njengoba isithombe sesandisiwe, amaphikseli amasha we-gray azovela phakathi kwala maphikseli amabili. Lolu hlelo lunquma umbala oyifunayo ngokubala inani elilinganiselwe lamaphikseli aseduze.
Izindlela Zobuchopho Zengqondo
Iphuzu elikhethekile "Ukuphambana" (Umfanekiso wesampuli) inezincazelo eziningana. Ivela uma uhambisa isikhombisi segundane phezu komcibisholo okhomba kule parameter. Cabanga ngalunye.
1. "Esikhathini esilandelayo" (Umakhelwane oseduze)
Uma ukucubungula isithombe kusetshenziswe njalo, ngoba ikhwalithi yekhophi ekhulisiwe imbi ngokwanele. On izithombe ezikhulisiwe, ungathola izindawo lapho uhlelo olwengeze khona amaphikseli amasha, lokhu kuthonywa yindlela yokwenza ukukala. Lolu hlelo lubeka amaphikseli amasha uma lusondeza ngokukopisha eziseduze.
2. "Bilinear" (Bilinear)
Ngemuva kokwenza ukukala ngale ndlela, uzothola izithombe zekhwalithi ephakathi. I-Photoshop izokhipha amaphikseli amasha ngokubala umbala ovamile wamaphikseli angomakhelwane, ngakho ukushintsha kombala ngeke kubonakale kakhulu.
3. "Bicubic" (Bicubic)
Kunconywa ukuthi uyisebenzise ukuze ukwandise kancane isikali ku-Photoshop.
Ku-Photoshop CS nangaphezulu, esikhundleni se-standard standard bicubic, ama-algorithms amabili engeziwe angatholakala: "Ironing bicubic" (Bicubic elula) futhi "I-Bicubic ecacile" (I-Bicubic sharper). Ukuwasebenzisa, ungathola izithombe ezinwetshiwe noma ezincishisiwe ngenomphumela owengeziwe.
Enkambeni ye-bicubic yokudala amaphikseli amasha, ukubala okunzima kakhulu kwe-gamut yamaphikseli amaningi aseduze kwenziwa, ukuthola ikhwalithi yesithombe esihle.
4. "Ironing bicubic" (Bicubic elula)
Ngokuvamile lisetshenziselwa ukuletha isithombe ku-Photoshop esiseduze, kodwa izindawo lapho amaphikseli amasha angeziwe khona akushaywanga.
5. "I-Bicubic ecacile" (I-Bicubic sharper)
Le ndlela iphelele ukuphuma, okwenza isithombe sicace.
Isibonelo sokusebenzisa inani "Bicubic ironing"
Ake sithi sinesithombe esidinga ukwanda. Usayizi wesithombe -
531 x 800 px ngemvume 300 dpi.
Ukwenza umsebenzi wokusondeza udinga ukuthola kwimenyu "Isithombe - Usayizi Wesithombe" (Isithombe - Usayizi Wesithombe).
Lapha udinga ukukhetha i-sub "Ironing bicubic"bese uguqula ubukhulu bezithombe kumaphesenti.
Ekuqaleni, idokhumenti yangempela ibalulekile 100%. Ukwanda komqulu kuzokwenziwa ngezigaba.
Okokuqala, ukwandisa usayizi 10%. Ukwenza lokhu, shintsha ipharamitha yesithombe 100 ngo-110%. Kuyafaneleka ukucabangela ukuthi uma ushintsha ububanzi, uhlelo luzilungisa ngokuzenzakalelayo ukuphakama okufunayo. Ukuze ulondoloze usayizi omusha, cindezela inkinobho. "Kulungile".
Manje usayizi wesithombe 584 x 880 px.
Ngale ndlela ungasondeza okuningi ngendlela oyidingayo. Ukucaca kwesithombe esikhulisiwe kuncike ezintweni eziningi. Okuyinhloko yikhwalithi, isinqumo, ubukhulu besithombe sokuqala.
Kunzima ukuphendula umbuzo wokuthi ungasondeza kanjani ukuze uthole isithombe esihle sekhwalithi. Lokhu kungatholakala kuphela ngokuqala ukwanda ngokusebenzisa uhlelo.
