Hipanga 1: Tukuatu tō JPG ngā kōnae mā te whakamahi i te pātene i runga ake nei, mā te tōia me te whakataka rānei.
Hipanga 2: Pāwhiritia te pātene 'Tahuri' hei tīmata i te tahuritanga.
Hipanga 3: Tikiake i tō mea kua tahurihia JFIF kōnae
JPG Tuhinga o mua JFIF Ngā Pātai Auau mō te Tahuritanga
He pēhea te tahuri i a JPG ki JFIF me te kore e ngaro te āhuatanga whakaahua?
+
Whakataki i tōna JPG me tātau kaiwhakarere e hoatu ana i te whakawhanaketanga o te āhua o te āhua mo te huaputa JFIF. Mō ngā ūnga kore ngaro (PNG, TIFF, BMP) ka tiakina ngā pīti i ia wā ki te iti; mō ngā ūnga ngaro (JPG, WebP) ka taea te whakarerekē i te take ā-waiho (whakamatau 90) i mua o te tāutunga.
Ka pupuri te tahuritanga o te tahuritanga JPG ki JFIF?
+
Ka ora te mārama ina PNG, WebP, TIFF, GIF, SVG rānei te JFIF. Ka whakarerekē te tahuri ki JPG i te kanikani ā-autōhiko ki tētahi papamuri mā — mēnā e hiahiatia ana e koe te mārama, ka kōwhiria he ūnga mārama-mārama i te JFIF.
Ka ora te āhua o tōku tātai tae (sRGB / Adobe RGB / CMYK) mai i te JPG ki te JFIF?
+
Ka whakamātauria ngā tātai tae ICC whakatinana mai i te pūtake JPG, ā, ka hono anō ki te huaputa JFIF i reira ka tautokona e te hanga (JPG, PNG, TIFF, WebP). Ko ngā hanga kāore i te tautoko i te tātai e hoki ana ki te sRGB me tētahi hipanga whakamātautau.
He aha e puta ana ki te metadata EXIF ina tahuri JPG ki JFIF?
+
E pupuritia ana te EXIF o te kāmera (ISO, shutter, lens, GPS) mā te pūmau i te wā o JPG -> JFIF ina tautokona e ngā āhua rua ngā metadata. Ka whakamahia te whakarerekē ā-whakaaro hei whakawātea i ngā metadata i mua i te whakataki mēnā e hiahia ana kia tiritiri i ngā whakaahua me te kore tauwāhi, pūrere-kitenga rānei.
Ka taea e au te tahuri-whakahaere i ngā rau o ngā pūranga JPG ki JFIF i tētahi wā?
+
He — ka tangohia he maha ngā pūranga JPG ki te rohe tāpiritanga, ā, ka whakatū i te raupapa. Ka whakaaetia e te taumata wātea 100 MB ia pūranga; Kāore he kōpaka-whakahaere, ā, ka haere tonu ngā kaimahi whakawhāiti ake, nō reira ko te 200-pihi te whakamutu i raro i ngā minu e rua.
He pēhea te ōrite o JPG ki JFIF ki Photoshop / GIMP mō te mahi ōrite?
+
Mō te tahuri ā-whakahaere, ka whakarewaina e tātau te pūtautau pūrākau pū
He aha te rongoā me ngā ahu o te JFIF?
+
Ko te whanonga pūmau ko te 1:1 — he ōrite ngā ahu o ngā pikitia o tōtou huaputa JFIF ki te pūtake JPG. Mēnā e hiahiatia ana e koe te whakarea hei wāhanga o te tahuritanga, ka whakamahia /resize-image/ i muri, ka whakapāpāho rānei i ngā mahi me te utauta /image-pipeline/.
He iti rawa te JFIF i te faila me te kore ngā ahanoa e kitea ana?
+
Mō JPG / WebP, ko te āhuatanga 75-85 e hua ana i tētahi JFIF 60-80% iti iho i te JPG me te kore rerekētanga mārama i te tawhiti tirohia noa iho. Mō te JFIF kore ngaro (PNG, TIFF), e tūmanako ana ki ngā pūtea iti iho — i te nuinga o te wā 5-30% mā te whakawhāititanga pai ake / LZW i te pūtake.
He tūmataiti ahau JPG i te wā o te tahuritanga?
+
He — e whakaata ana ngā pūranga JPG i whakarewaina i roto i ngā kaimahi motuhake, ā, ka tangohia i roto i ngā minu. Kāore anō tātau kia pānui, ki te penapena, ki te tiritiri rānei i te raraunga pūwhiti. Kua tuhituhitia te matapihi tūturu i te /privacy/.
He mahi te JPG ki te JFIF whakarerekē mō ngā whakaahua nui rawa (50MP+)?
+
He mea tika mō te wāteatanga tae atu ki te 100 MB. Ka whakahaeretia e te utu ngā tāuru nui ake (300 MB+) me ngā hōhonutanga pūtauira-pōtuhi (16-bit PNG, 32-bit float TIFF, HEIF 10-bit). Ka rere te pūtauira i ngā rārangi pūtauira kia tauinetia ai te pūmahara me te tatau rārangi, ehara i te tatau pūtauira katoa.
He aha te nui ake, iti ake rānei o te uara o te JFIF i te uara?
+
Ko te JPG pūranga me te whakawhāiti kaha (JPG tino ngaro) ka tipu ina whakawaengatia anō ki tētahi JFIF kore ngaro (PNG, TIFF), ā, he nui te whakawhāiti i te bitrate-high-lossless JPG ina haere ki JPG/WebP. E whakawhirinaki ana te ōwehenga ki ngā ihirangi whakaahua (he rerekē te whakawhāiti i ngā whakaahua mai i te toi raina, i ngā whakaahua rānei).
Ka taea e au te whakamahi i te JFIF te faila whakarerekē i te hokohoko?
+
He. He huringa āhua te tahuritanga - ko te mana ā-ariā o ngā ihirangi whakaahua e noho ana ki te tangata i pupuri i te pūtake JPG. Kāore tātau e tāpiri i tētahi tohu wai, kāore he tātaitai metadata, ā, kāore e kī ana he whakaaetanga ki runga i te huaputa JFIF.
Ka whakamahi ngā kōnae JPG i te kōpeketanga ngaronga kua arotauhia mō ngā whakaahua, kia iti ai ngā rahi kōnae me te pupuri tonu i te kounga tirohanga.
