Ukunciphisa usayizi wesithombe ukusuka ku-MB (megabytes) kuya ku-KB (amakhilobhayithi) kuyisinyathelo esibalulekile sokuthuthukisa ikhwalithi yesithombe nokusebenza kwezinkundla ezihlukahlukene ze-inthanethi. Uma izithombe zizinkulu kakhulu, zinganciphisa izikhathi zokulayisha iwebhusayithi futhi zidle indawo yokugcina ebalulekile. Nokho, ukwehlisa usayizi wesithombe ngaphandle kokufaka ikhwalithi engozini kungaba inselele, njengoba kudinga ibhalansi ethambile phakathi kosayizi wefayela nekhwalithi yesithombe.
Enye indlela ephumelelayo yokunciphisa usayizi wesithombe iwukuminyanisa isithombe. Ukuminyanisa isithombe kuyinqubo yokunciphisa usayizi wefayela wesithombe kuyilapho kugcinwa ikhwalithi yaso yokubuka. Kunezinhlobo ezimbili eziyinhloko zokucindezelwa kwesithombe: okungalahleki nokulahlekile. Ukucindezela okungenakulahlekelwa kunciphisa usayizi wefayela ngaphandle kokulahlekelwa noma iyiphi ikhwalithi ebonakalayo, kuyilapho ukucindezela okulahlekelwayo kunciphisa usayizi wefayela ngokulahla idatha yesithombe, okuholela ekuncipheni kancane kwekhwalithi yokubonwayo.
Ukuze unciphise usayizi wesithombe usuka ku-MB uye ku-KB, umuntu angasebenzisa amathuluzi okucindezela izithombe ahlukahlukene, njenge-Adobe Photoshop, TinyPNG, ne-JPEGmini. Lawa mathuluzi asebenzisa ama-algorithms wokucindezela athuthukile ukuze anciphise usayizi wesithombe ngenkathi egcina ikhwalithi yesithombe. Kodwa-ke, kubalulekile ukuqaphela ukuthi ukucindezela ngokweqile kungaholela kuma-artifact abonakalayo, njenge-pixelation kanye nokufiphala. Ngakho-ke, kubalulekile ukuthola ibhalansi efanele phakathi kokunciphisa usayizi wefayela nekhwalithi yesithombe.
Ngaphandle kokucindezelwa, ezinye izindlela zokunciphisa usayizi wesithombe zihlanganisa ukunqampuna, ukukhulisa usayizi, nokuthuthukisa ifomethi yesithombe. Ukunqampuna isithombe kungasusa izindawo ezingafuneki futhi kwehlise usayizi wefayela usuwonke. Ukushintsha usayizi wesithombe ube kubukhulu obuncane kungase futhi kwehlise usayizi wefayela ngaphandle kokubeka engcupheni ikhwalithi. Ukuthuthukisa ifomethi yesithombe nakho kungadlala indima ekwehliseni usayizi wefayela. Isibonelo, ukuguqula ifayela le-PNG libe yi-JPEG kungehlisa usayizi wefayela ngaphandle kokuthikameze ikhwalithi yesithombe.
Sengiphetha, ukunciphisa usayizi wesithombe ukusuka ku-MB kuye ku-KB kuyisinyathelo esibalulekile sokuthuthukisa ikhwalithi yesithombe nokusebenza kwezinkundla ezihlukahlukene ze-inthanethi. Ngokusebenzisa amathuluzi ahlukahlukene okucindezela izithombe, amasu, namasu, umuntu angehlisa usayizi wesithombe ngaphandle kokudela ikhwalithi yesithombe. Ukuthola ibhalansi elungile phakathi kokuncishiswa kosayizi wefayela kanye nekhwalithi yesithombe kuyisihluthulelo sokufeza ukusebenza kahle kwesithombe.
Kubuyekezwe ngo-
Eph 1, 2023