Ni irihe tandukaniro riri hagati y'amashusho ya GIF n'amashusho ya JPG?

2023-11-06

Ishusho Imiterere

Yavutse mu 1987, bakunze gukoreshwa mu rupapuro rwurubuga rwa animasiyo, ukoresheje compression itagira igihombo, ishyigikira amabara 256 (muri rusange yitwa 8 bit ibara). Ifite ibara rito cyane, kandi muri rusange amashusho yamabara ntabwo azakizwa hamwe na GIF.

GIF igabanijwemo GIF ihagaze na GIF imbaraga, hamwe no kwagura. Impano. Nuburyo bwa bitmap yuzuye ishyigikira amashusho yinyuma kandi ikwiranye na sisitemu zitandukanye zikora. "Umubiri" wacyo ni muto cyane. Animasiyo nyinshi nto kuri interineti ziri muburyo bwa GIF.

Mubyukuri, GIF ibika amashusho menshi nka dosiye yishusho kugirango itange animasiyo, GIF rero iracyari imiterere ya dosiye. Ariko GIF irashobora kwerekana amabara 256 gusa. Mubisanzwe, amashusho akomeye tubona kurupapuro rwurubuga muri rusange muburyo bwa GIF.

Ibyiza byayo ni: ubunini buto, ingaruka nziza zo kwikuramo, gushyigikira animasiyo, gushyigikira ingaruka ziboneka. Ibibi ni: ingaruka mbi zamabara.



Ishusho jpg kugirango

Yavutse mu 1992. Imiterere isanzwe ya kamera ya digitale kugirango ibike amashusho ni ugutakaza gutsindwa na 24bit ibara ryukuri (224 = 170000 amabara.

JPEG ifite ibyiza mu kwikuramo amashusho, ariko ni ugutakaza gutsindwa kandi ubuziranenge bw'amashusho buzazimira. Ecran rusange yafashwe hamwe nuburyo bwa PNG, ni ubuziranenge burenze JPEG nubunini bwa dosiye.

Ibyiza byayo ni: kugarura ibara ryiza, birashobora kugabanya cyane ingano nta kugoreka bigaragara kumafoto, na JPG nuburyo bwiza bwo gutanga amashusho asanzwe kandi meza kurubuga. Ibibi nuko animasiyo idashyigikiwe kandi gukorera mu mucyo ntibishyigikiwe.



Ishusho Imiterere

Yatangijwe mu 1996, kwikuramo igihombo, imiterere ikunze gukoreshwa ni ibara 256 ryerekanwe (PNG-8) na 24-bit y'ukuri ibara (PNG-24) (byukuri, PNG ishyigikira ibirenze ibyo), ishyigikira umuyoboro wuzuye wa alpha (urwego rushobora guhindurwa ibara risobanura), kandi ntabwo ishyigikira animasiyo.

PNG igomba kuzamurwa mubishushanyo mbonera. Irazwi nkimiterere ikwiye ishusho kurupapuro rwurubuga. Google ni urugero rwiza. Amashusho hafi ya yose kurubuga rwa Google ari muburyo bwa PNG. 8-bit PNG irashobora gusimbuza rwose GIF.

Ibyiza byayo ni: isobanutse, idafite igihombo, kwikuramo hejuru cyane, gukorera mucyo buhoro buhoro, n'inyungu hafi ya GIF; Ibibi nuko ntabwo bikungahaye mu ibara nka JPG, kandi ingano yishusho imwe ni nini cyane kurenza JPG.

Mumurongo, imiterere myinshi yishusho muri rusange amashusho mato akoresha png, ashobora gukoreshwa muburyo butaziguye nkibikoresho, kuko ifite ikintu cyiza cyane: inyuma yumucyo. PNG ifite ikindi cyiza, ni ukuvuga, kugereranya kwerekana (gutera imbere): mugihe ukoresha amashusho, umurongo wose urashobora kwerekanwa mbere, hanyuma ibisobanuro birambuye byishusho byerekanwa buhoro buhoro, ni ukuvuga, imvugo yo hasi yerekana ishusho yerekanwe mbere, kuva kugeza gusobanura, Hanyuma nyirarume atezimbere imyanzuro yayo. Ubu ni uburambe bwiza bwabakoresha.