Yuav hloov li cas A File rau Jpg: Ib Technical Guide
Niaj hnub no lub hnub nyoog digital , peb pom peb tus kheej txuas ntxiv manipulating ntau yam cov hom ntaub ntawv hloov mus rau cov kev xav tau tshwj xeeb thiab cov kev xav tau. Hloov cov ntaub ntawv rau cov hom ntawv tshwj xeeb tau dhau los ua qhov tseem ceeb, thiab hauv tsab xov xwm no, peb yuav tsom mus rau cov txheej txheem los hloov cov ntaub ntawv rau JPG hom ntawv. Txawm hais tias nws yuav zoo li cov txheej txheem nyuaj, nrog rau cov cuab yeej zoo thiab cov lus qhia meej, leej twg tuaj yeem ua qhov kev hloov pauv no yam tsis muaj teeb meem. Hauv qab no, peb yuav tshawb xyuas cov kauj ruam uas yuav tsum tau ua kom tiav qhov kev hloov pauv no thiab xyuas kom koj tau txais txiaj ntsig zoo.
Ua ntej peb delve rau hauv tus txheej txheem, Nws yog ib qho tseem ceeb kom nkag siab txog dab tsi cuam tshuam rau kev hloov cov ntaub ntawv rau JPG hom hauv cov ntsiab lus, JPG (Joint Photographic Experts Group) hom ntawv yog ib qho ntawm cov nyiam tshaj plaws thiab siv dav hauv cov duab compressed. Nws cov koob meej yog nyob rau hauv nws lub peev xwm los txo cov ntaub ntawv loj yam tsis muaj kev cuam tshuam cov duab zoo no ua tiav los ntawm kev sib txawv algorithms uas tshem tawm cov ntsiab lus tsis tsim nyog uas tsis pom los ntawm tib neeg lub qhov muag. Raws li qhov tshwm sim, JPG hom tau dhau los ua tus qauv sib qhia cov duab. hauv web, hauv daim ntawv thov thiab ntawm ntau yam khoom siv.
Muaj ntau txoj hauv kev los hloov cov ntaub ntawv rau JPG hom, thiab xaiv qhov tsim nyog tshaj plaws yuav nyob ntawm koj cov kev xav tau thiab cov peev txheej muaj. Ib qho kev xaiv yog siv cov duab editing software, xws li Tsev av Photoshop, GIMP lossis Paint.NET, uas muaj cov cuab yeej qhib thiab txuag cov duab hauv JPG hom. Lwm txoj hauv kev yog siv cov hloov pauv hauv online, qhov twg koj tsuas yog yuav tsum tau xa cov ntaub ntawv koj xav hloov thiab xaiv cov kev xaiv tso zis. nyob rau hauv JPG hom.
Hauv cov ntsiab lus, hloov cov ntaub ntawv rau JPG hom tuaj yeem muaj txiaj ntsig los ntawm kev txo nws qhov loj me yam tsis muaj kev cuam tshuam rau cov duab zoo. Txawm hais tias koj xaiv siv cov duab kho kom raug software lossis cov hloov pauv hauv online, ua raws li cov lus qhia thiab xaiv qhov kev xaiv zoo tshaj plaws rau koj cov kev xav tau yuav tso cai rau koj ua tiav qhov kev hloov pauv uas xav tau. Thaum koj paub txog cov txheej txheem no, koj yuav tuaj yeem hloov kho cov ntaub ntawv mus rau JPG hom zoo thiab siv qhov zoo ntawm cov hom ntawv no muaj nyob rau hauv cov ntsiab lus ntawm kev sib koom thiab saib.
- Hloov cov ntaub ntawv rau JPG hom: koj yuav tsum paub dab tsi?
Muaj ob peb lub sijhawm thaum peb xav tau hloov ib cov ntaub ntawv hauv JPG hom. Seb puas yuav qhia rau kev tes hauj lwm, xa nws los ntawm email lossis siv nws hauv kev nthuav qhia, JPG hom yog ib qho ntawm feem ntau thiab siv dav. Txawm li cas los xij, ua ntej ua qhov hloov dua siab tshiab, muaj qee yam tseem ceeb uas peb yuav tsum coj mus rau hauv tus account.
Ua ntej, nws yog ib qho tseem ceeb kom nco ntsoov tias tsis yog txhua cov ntaub ntawv tuaj yeem hloov mus rau JPG hom. Hom ntawv no yog qhov zoo tagnrho rau cov duab thiab cov duab, tab sis tsis haum rau cov ntawv nyeem, cov ntawv nthuav qhia, lossis kev nthuav qhia. Yog li ntawd, yog tias koj xav hloov cov ntaub ntawv rau JPG hom, xyuas kom meej tias nws yog ib qho duab lossis duab ua ntej. Txwv tsis pub, koj yuav tau siv cov software sib txawv.
Lwm qhov yuav tsum tau xav txog yog qhov zoo ntawm daim duab. Thaum hloov a file rau JPG hom, kev poob zoo yuav tshwm sim. Qhov no yog vim vim JPG hom siv a compression algorithm uas txo cov ntaub ntawv loj, txi qee cov ntaub ntawv pom. Yog li ntawd, yog tias qhov zoo ntawm cov duab yog tseem ceeb, nws raug pom zoo siv lwm hom ntawv yam tsis poob. ntawm qhov zoo, xws li PNG lossis TIFF.
- Cov duab hom thiab lawv cov yam ntxwv
lub duab hom Lawv yog ib feem tseem ceeb ntawm kev yees duab digital. Txhua hom ntawv muaj nws tus yam ntxwv tshwj xeeb uas ua rau lawv haum rau ntau lub hom phiaj. Ib qho ntawm ntau hom ntawv yog JPG, uas muaj cov duab zoo nrog cov ntaub ntawv me me. Lwm cov kev xaiv suav nrog PNG, GIF, thiab TIFF, uas muaj ntau theem ntawm compression thiab kev txhawb nqa kom pom tseeb. Nws yog ib qho tseem ceeb kom paub cov yam ntxwv ntawm txhua hom los xaiv qhov tsim nyog tshaj plaws rau koj cov kev xav tau.
Yog tias koj xav hloov cov ntaub ntawv rau JPG hom, muaj ntau txoj hauv kev los ua nws. Ib qho kev xaiv yog siv cov duab kho kom zoo nkauj xws li Photoshop lossis GIMP. Cov kev pab cuam tso cai rau koj qhib tus thawj cov ntaub ntawv thiab khaws cia rau hauv lwm hom duab , xws li JPEG. Koj tseem tuaj yeem siv cov cuab yeej online lossis cov kev pabcuam hloov pauv kom ua tiav qhov task sai thiab yooj yim. Nco ntsoov xyuas qhov zoo ntawm cov ntaub ntawv tshwm sim tom qab hloov dua siab tshiab kom ntseeg tau tias nws ua tau raws li koj xav tau.
Thaum hloov cov ntaub ntawv rau JPG hom, muaj qee qhov tseem ceeb uas yuav tsum nco ntsoov.JPG hom siv lossy compression, uas txhais tau hais tias cov duab cov ntsiab lus thiab qhov zoo yuav ploj thaum lub sij hawm hloov dua siab tshiab. Yog li ntawd, nws raug nquahu kom siv me me compression li sai tau kom tswj tau qhov qub zoo. Tsis tas li ntawd, nco ntsoov tias hloov cov hom ntawv ntawm cov ntaub ntawv tsis hloov nws cov kev daws teeb meem lossis qhov loj me, nws tsuas yog hloov cov ntaub ntawv khaws cia. Yog tias koj xav tau kho qhov kev daws teeb meem lossis qhov loj ntawm koj cov duab, koj yuav tsum siv cov cuab yeej resizing cais.
- Cov kauj ruam los hloov cov ntaub ntawv rau JPG hom
Rau hloov cov ntaub ntawv rau JPG hom, nws yog ib qho tsim nyog yuav tau ua raws li qee qhov cov kauj ruam yooj yim tab sis tseem ceeb. Ua ntej tshaj plaws, nws yog qhov tseem ceeb kom paub meej txog hom ntaub ntawv koj xav hloov pauv. Nws tuaj yeem yog cov duab hauv lwm hom ntawv, xws li PNG lossis TIFF, lossis txawm tias cov ntawv sau lossis slideshow.
Thaum koj tau txheeb xyuas cov ntaub ntawv koj xav hloov, koj tuaj yeem txuas ntxiv nrog cov kauj ruam tom ntej. Nws raug pom zoo kom siv cov duab kho kom raug, xws li Adobe Photoshop, los ua qhov hloov dua siab tshiab nraaj thiab nrog qhov zoo tshaj plaws ua tau zoo. Yog tias koj tsis muaj kev nkag mus rau hom software no, muaj ntau cov cuab yeej dawb hauv online uas tuaj yeem hloov cov ntaub ntawv rau JPG hom.
Kauj ruam kawg hloov cov ntaub ntawv rau JPG hom yog xaiv cov kev xaiv txuag los yog export cov ntaub ntawv nyob rau hauv qhov kev pab cuam koj siv. Nco ntsoov tias koj xaiv hom JPG thiab teeb tsa cov kev xaiv zoo thiab compression raws li koj nyiam thiab cov kev xav tau. Nco ntsoov tias qhov ua tau zoo dua tuaj yeem ua rau cov ntaub ntawv loj dua, thaum qhov qis dua tuaj yeem cuam tshuam qhov ntse thiab cov ntsiab lus ntawm daim duab.
- Cov cuab yeej thiab cov kev pab cuam los hloov cov ntaub ntawv rau JPG
Muaj ntau yam kev xaiv rau cov cuab yeej thiab cov kev pab cuam uas tso cai rau koj hloov cov ntaub ntawv rau JPG sai thiab yooj yim. Cov cuab yeej no muaj txiaj ntsig tshwj xeeb tshaj yog thaum koj xav muab cov ntaub ntawv hauv JPG yooj yim lossis thaum koj xav tau txo qhov loj ntawm cov ntaub ntawv yam tsis tau poob cov duab zoo.
Ib qho kev xaiv nrov tshaj plaws yog Adobe Photoshop program. Nrog nws ntau yam ntawm cov duab editing nta thiab cov cuab yeej, nws yuav siv tau kom raug thiab zoo hloov cov ntaub ntawv rau JPG. Tsis tas li ntawd, nws muaj peev xwm kho cov duab zoo thiab siv cov teebmeem ntxiv ua ntej hloov. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias Adobe Photoshop yog lub cuab yeej them nyiaj, tab sis nws muaj qhov sim dawb uas tso cai rau koj siv tag nrho nws cov haujlwm rau lub sijhawm txwv.
Yog tias koj tab tom nrhiav lwm txoj hauv kev pub dawb, qhov kev xaiv pom zoo yog GIMP program. Qhov qhib qhov chaw duab kho software kuj muaj cov ntaub ntawv rau JPG hloov dua siab tshiab feature. GIMP yog qhov kev xaiv zoo tshaj plaws rau cov neeg uas xav ua cov kev hloov kho yooj yim thiab hloov pauv cov haujlwm yam tsis muaj nqi ntxiv. Ntxiv thiab, cov program no Tso cai rau koj los kho cov duab zoo, siv cov ntxaij lim dej, thiab ua lwm yam kev hloov pauv yooj yim ua ntej hloov.
- Cov lus pom zoo los khaws cov duab zoo
Yuav ua li cas hloov ib File rau Jpg
Cov lus pom zoo los tswj cov duab zoo
Thaum peb hloov cov ntaub ntawv mus rau JPG hom, nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account qee cov lus pom zoo kom ntseeg tau tias qhov zoo ntawm cov duab tseem zoo. Ua ntej tshaj plaws, nws raug pom zoo siv zoo duab editing software uas tso cai rau peb kom muaj kev tswj xyuas meej ntawm qhov chaw thiab compression ntawm cov ntaub ntawv. Muaj ob peb txoj kev xaiv hauv kev ua lag luam, ob qho tib si pub dawb thiab them nyiaj, uas muab cov cuab yeej tshaj lij los lav cov txiaj ntsig kev tshaj lij.
Lwm qhov tseem ceeb uas yuav tau xav txog yog qhov duab loj thiab daws teeb meem. Yog tias peb xav khaws cia zoo, nws raug nquahu kom ua haujlwm nrog cov duab hauv nws qhov loj me, tsis txhob nthuav lossis txo cov duab ntau dhau. Tsis tas li ntawd, nws yog qhov tseem ceeb rau save daim duab nrog a kev daws teeb meem rau kev siv uas yuav muab rau nws. Piv txwv li, yog tias daim duab yuav raug siv rau kev luam tawm, qhov kev daws teeb meem tsawg kawg yog 300 dpi (dots ib nti) raug pom zoo.
Thaum kawg, nws yog ib qho tseem ceeb kom coj mus rau hauv tus account compression hom ntawv. JPG hom siv a compression algorithm uas tuaj yeem cuam tshuam cov duab zoo, tshwj xeeb tshaj yog siv compression siab heev. Txhawm rau zam qhov no, nws raug nquahu kom siv cov compression nruab nrab thiab txuag cov duab nrog cov tsawg poob zoo ua tau. Qee cov duab kho kom zoo nkauj muaj cov kev xaiv kho kom haum, tso cai rau peb nrhiav qhov sib npaug ntawm cov ntaub ntawv loj thiab cov duab zoo. Los ntawm kev ua raws li cov lus pom zoo no, peb tuaj yeem hloov cov ntaub ntawv mus rau JPG yam tsis muaj kev cuam tshuam lawv qhov zoo thiab tau txais cov txiaj ntsig kev tshaj lij.
- Cov ntsiab lus los xav txog thaum hloov cov ntaub ntawv rau JPG
Nov yog qee yam tseem ceeb uas yuav tsum xav txog thaum hloov cov ntaub ntawv rau JPG:
Source format: Ua ntej ua qhov hloov dua siab tshiab, nws yog ib qho tseem ceeb uas yuav tau xav txog qhov tseem ceeb ntawm cov ntaub ntawv. Qee hom ntawv xws li PNG thiab TIFF muab cov duab zoo dua, tab sis lawv kuj siv ntau qhov chaw nco. Ntawm qhov tod tes, RAW cov ntaub ntawv zoo meej rau cov duab kho, tab sis lawv tsis tuaj yeem saib ncaj qha ntawm ntau yam khoom siv yam tsis muaj kev hloov pauv ua ntej. Kev ntsuam xyuas cov hom ntawv yog qhov tseem ceeb los txiav txim siab seb qhov hloov pauv mus rau JPG puas tsim nyog.
Cov ntaub ntawv loj: Lwm qhov tseem ceeb uas yuav tsum tau coj mus rau hauv tus account yog qhov loj ntawm cov ntaub ntawv tshwm sim hauv JPG hom. Thaum cov hom ntawv no nrov vim nws lub peev xwm compression, nws yog ib qho tseem ceeb uas yuav tau xav txog seb cov duab zoo yuav raug cuam tshuam li cas. Yog cov ntaub ntawv qub loj heevTej zaum yuav muaj qhov tsis zoo thaum compressing rau JPG Nws yog ib qho tseem ceeb rau kev ntsuam xyuas seb qhov kev txo cov ntaub ntawv loj npaum li cas tau txais rau nws lub hom phiaj thiab seb qhov kev poob zoo yog qhov tsis zoo los yog tsis.
Compatibility: Ua ntej ua qhov hloov dua siab tshiab, nws yog ib qho tseem ceeb uas yuav tsum tau xyuas seb hom JPG puas haum nrog cov khoom siv lossis cov platforms uas cov ntaub ntawv yuav raug siv. Txawm hais tias muaj kev txhawb nqa dav dav, qee qhov tshwj xeeb lossis cov ntawv thov yuav muaj kev txwv lossis kev txwv thaum ua haujlwm nrog JPG cov ntaub ntawv. Yog tias cov ntaub ntawv yuav raug siv nyob rau hauv ib qho chaw tshwj xeeb, nws yog ib qho tseem ceeb kom ntseeg tau tias qhov hloov dua siab tshiab rau JPG tsis ua rau muaj teeb meem lossis tsis sib haum xeeb. Tsis tas li ntawd, cov ntaub ntawv khaws cia thiab hloov pauv yuav tsum xav txog, vim qee qhov Kev Pabcuam lossis cov khoom siv yuav muaj kev txwv rau. txhawb cov ntaub ntawv loj lossis hom ntawv. Compatibility yog ib qho tseem ceeb rau kev txiav txim siab los xyuas kom meej tias kev ua haujlwm zoo.
- Kho cov teeb meem tshwm sim thaum hloov cov ntaub ntawv rau JPG
Teeb meem tshwm sim thaum hloov cov ntaub ntawv rau JPG
Teeb meem 1: Cov ntaub ntawv tsis hloov pauv kom raug. Yog tias koj tau sim hloov cov ntaub ntawv rau JPG hom thiab qhov tshwm sim tsis txaus siab, tej zaum yuav muaj ntau yam hauv qab nws. qhov teeb meem no.Ib qho ua tau yog tias cov ntaub ntawv qub yog hom ntawv tsis sib xws nrog JPG, xws li an cov ntaub ntawv tsis raug cai lossis cov ntaub ntawv muaj cai. Hauv qhov no, koj yuav tsum xub qhib cov ntaub ntawv lossis siv lub cuab yeej hloov dua siab tshiab rau hom ntawv ntawd. Lwm qhov laj thawj tuaj yeem yog cov ntaub ntawv puas lossis tsis tiav, uas tuaj yeem tshwm sim thaum rub tawm lossis hloov cov txheej txheem. Hauv qhov no, xyuas kom tseeb tias koj muaj daim ntawv theej siv tau thiab tsis muaj qhov yuam kev ntawm cov ntaub ntawv ua ntej ua qhov hloov dua siab tshiab.
Teeb meem 2: JPG duab zoo yog tsawg lossis pixelated. Yog tias qhov zoo ntawm cov duab tshwm sim tom qab hloov cov ntaub ntawv rau JPG tsis yog raws li qhov xav tau, koj tuaj yeem siv qhov chaw tsis raug thaum lub sijhawm hloov pauv. Qhov tsis zoo lossis qhov kev daws teeb meem yuav ua rau cov duab pixelated lossis qhov muag tsis pom. Nco ntsoov kho cov kev xaiv hloov dua siab tshiab rau pom zoo. Tsis tas li ntawd, yog tias cov ntaub ntawv qub yog qhov kev daws teeb meem tsawg lossis compressed, qhov no yuav cuam tshuam rau qhov zoo ntawm cov duab uas tau tshwm sim. Hauv cov xwm txheej no, xav txog kev siv cov cuab yeej kho duab los txhim kho qhov zoo ua ntej hloov mus rau JPG.
Teeb meem 3: Cov ntaub ntawv JPG siv ntau qhov chaw disk. Thaum hloov cov ntaub ntawv rau JPG hom, koj tuaj yeem ntsib qhov xwm txheej uas cov ntaub ntawv tshwm sim yuav siv ntau qhov chaw tshaj qhov xav tau ntawm koj lub hard drive. Qhov no tej zaum yuav yog vim lub compression nqis siv thaum lub sij hawm hloov dua siab tshiab. Yog tias koj xav txo JPG cov ntaub ntawv loj, nco ntsoov kho qhov compression nqis kom tau txais qhov sib npaug ntawm cov duab zoo thiab cov ntaub ntawv loj. Koj tuaj yeem siv cov cuab yeej compression duab ntxiv kom txo qhov loj ntawm JPG cov ntaub ntawv yam tsis tau poob ntau qhov zoo.
Kuv yog Sebastián Vidal, tus kws kho tshuab computer mob siab rau kev siv tshuab thiab DIY. Tsis tas li ntawd, kuv yog tus tsim tecnobits.com, qhov twg kuv qhia cov lus qhia ua kom siv thev naus laus zis ntau dua thiab nkag siab rau txhua tus.