Duab Compression yog ib qho txheej txheem tseem ceeb heev, vim tias thaum kawg nws tso cai rau koj kom txuag tau qhov chaw thau khoom, nws pab ua kom cov ceev tsheb thauj khoom thiab txuag kev tsheb. Tab sis yuav ua li cas nrog ntau cov kev pab cuam sib txawv rau kev ua kom tau cov duab, txhua thiab uas muaj nws tus kheej ua haujlwm tshwj xeeb? Cia peb kawm txog qhov muaj peev xwm ntawm cov duab nrov tshaj plaws duab compressions daws.
Riot.
Ib qho kev pab cuam kom compressing cov duab yam tsis muaj kev ploj ntawm kev ua haujlwm txawv, cov ntaub ntawv rau lwm cov qauv, tab sis kuj yog tus neeg siv khoom zoo heev. Nws yog ib qho tseem ceeb uas daim ntawv thov txhawb nqa kev ua kom zoo ntawm ntau daim duab file format ib zaug. Lub ntsiab minus yog qhov tsis muaj ntawm Lavxias-hais lus interface.
Cesium.
Lwm qhov kev ua kom nrov duab yees duab yog cesium. Nws cov nti tseem ceeb yog qhov tseeb ntawm cov duab compression. Cais, nws yog tus tsim nyog tseem ceeb heev graphical interface. Tsis tas li ntawd, nyob rau hauv kev sib piv rau feem ntau cov kev pab cuam los ua kom zoo cov duab, cov cosium yog Industrified. Txawm li cas los xij, txawm hais tias nws ua haujlwm nrog ntau hom ntawv ntawm cov ntaub ntawv duab, txhawb kev ua haujlwm deb ntawm txhua qhov kev txuas ntxiv. Piv txwv li, Cesium tsis ua haujlwm nrog GIF hom.
TSHOOJ: Yuav ua li cas compress cov duab hauv CESIUM program
Daim duab teeb duab teeb.
Ib qho kev pab cuam uas muaj zog dua rau kev zaws thiab ua kom cov duab ua kom zoo yog cov duab teeb pom kev zoo. Qhov software software no, txawm tias nws yooj yim saib, yog ib qho kev daws teeb meem loj rau cov duab ua. Txawm hais tias compression ntawm cov ntaub ntawv nraaj yog lub luag haujlwm tseem ceeb ntawm txoj haujlwm, nws kuj muaj tag nrho cov cuab yeej yees duab duab hauv koj lub hnab. Nrog nws, nws yog qhov ua tau rau pruning, overlay cuam tshuam, txo qhov loj me ntawm cov duab, hloov dua siab tshiab rau ntau hom ntawv. Tus neeg siv khoom hauv tsev yuav nyiam qhov tseeb tias lub teeb duab zoo dua yog cov duab qhia kev ywj pheej. Daim ntawv thov no tsis muaj qhov tseem ceeb uas nws yog ib qho ntawm qee qhov piav qhia hauv kev tshuaj xyuas no, uas muaj daim ntawv tso cai pub dawb. Ntawd yog, rau kev siv ntev yuav tau them.
Siab JPEG Compressor
Nyob rau hauv sib piv rau cov kev pab cuam yav dhau los, Prever Jpeg Compressor Compressor tsis muaj tshwj xeeb hauv ntau hom duab duab, thiab feeb txog kev ua haujlwm nrog ib hom - JPEG. Nws suav tau tias yog ib qho kev daws teeb meem zoo tshaj plaws rau cov ntaub ntawv ua kom zoo dua nrog kev nthuav dav no, muab cov khoom siv compression thiab siab compression ceev. Ntxiv rau txoj haujlwm no, cov kev pab cuam muab kev muaj peev xwm hloov cov duab, suav nrog kev siv cov duab yooj yim. Nws muaj peev xwm hloov ib qho xov tooj ntawm cov duab nrov duab rau cov ntaub ntawv nrog JPEG txuas ntxiv. Tsis tas li ntawd, JPEG cov duab hloov dua siab tshiab tau thim rov qab hauv hom BMP. Tab sis cov nom hloov, hmoov tsis muaj hmoov tsis muaj kev nyob nruab nrab. Tsis tas li ntawd, kev ua haujlwm ntawm ib qho dawb version, uas tuaj yeem siv los ntawm lub sijhawm luv luv, yog kev txiav siab heev.
Pngaun.
Analogue ntawm cov phiaj xwm dhau los, tsuas yog tshwj xeeb hauv daim duab compression hauv png hom, yog PNGGaun. Ua tsaug rau cov cuab yeej built-in ua pngout, defipng, defl opt, nws zoo siab compresses cov duab ntawm hom no. Tsis tas li ntawd, hloov tau ntau tus naj npawb ntawm cov duab nraaj hauv PNG cov duab. Tab sis, hmoov tsis zoo, kev ua haujlwm tag nrho ntawm cov program no yog qhov txwv tsis pub tsawg, thiab nws tsis muaj ntau txoj hauv kev tshwj tsis yog cov lus qhia saum toj no. Tsis tas li ntawd, tsis muaj kev sib koom ua ke.
Optipng.
Daim ntawv thov Optipng, ib yam li yav dhau los ib, kuj tseem tab tom teeb duab hauv png hom. Nws nkag los ua cov khoom sib xyaw ua ke rau hauv PnGGAuntlet, tab sis tuaj yeem siv thiab sib cais, muab cov khoom siv zoo ntawm cov ntawv no. Tsis tas li ntawd, nws muaj peev xwm hloov tus lej ntawm cov duab nraaj hauv png hom. Nws yog tsim nyog sau tseg tias qhov kev tsis yooj yim ntawm cov nqi hluav taws xob no yog qhov tsis muaj graphical interface, raws li nws ua haujlwm los ntawm cov kab hais kom ua.
Jpegoptim
Analogue ntawm Optipng txoj haujlwm, tsuas yog npaj rau kev ua cov ntaub ntawv hauv jpeg hom, uas ua haujlwm los ntawm console (cov kab hais kom ua) thiab tsis muaj lub graphical interface. Tab sis txawm li cas los xij, nws yog suav hais tias yog ib qho zoo tshaj plaws ntawm JPEG cov duab thiab kev ceev ntawm kev ua haujlwm nrog lawv. Tab sis, tsis zoo li rubipng, daim ntawv thov no tsis muaj peev xwm hloov cov duab ntawm lwm hom ntawv mus rau hauv hom ntawv ntawm uas nws tshwj xeeb (JPEG), yog txawm tshwj xeeb tshwj xeeb.
Fileoplizer.
Nyob rau hauv sib piv rau cov kev pab yav dhau los, fileoptimizer tsis mloog nws cov xim ntawm kev ua haujlwm tsuas yog nrog ib hom ntawm cov ntaub ntawv. Ntxiv mus, nws tuaj yeem hloov tsis muaj cov duab xwb, tab sis kuj video, suab, cov ntaub ntawv, cov kev kawm, thiab lwm yam. Cov npe ntawm cov qauv uas nws cov ntaub ntawv yog cov ntaub ntawv xa tuaj yeem ua kom zoo dua qub, tsuas yog muaj nqis. Tab sis txawm hais tias nws "omnivorority", qhov kev zov me nyuam yooj yim heev rau siv. Nyob rau tib lub sijhawm, nws yuav tsum raug sau tseg tias nws yog cov hauv kev tsis muaj zog ua haujlwm rau kev ua haujlwm nrog cov ntaub ntawv tawm tswv yim ntawm cov kev cuam tshuam ntawm cov sab nraud. Piv txwv li, tsis zoo li feem ntau txiav txim siab ntau yam kev txiav txim siab cov duab, txawm tias muaj cov qauv tsim tawm ntawm cov duab tsis tuaj yeem nqa tawm.
Faststone duab saib.
Nyob rau hauv sib piv rau yav dhau los ib, faststone duab saib tsuas yog muaj kev daws teeb meem rau cov duab nrog cov ntaub ntawv no yog deb ntawm lub luag haujlwm tseem ceeb. Qhov kev zov me nyuam yog, ua ntej ntawm txhua tus, tus neeg saib xyuas muaj zog thiab cov ntawv sau ntawm cov duab ua haujlwm nrog tus naj npawb loj ntawm cov qauv duab. Nws yuav tsum raug sau tseg tias nws yog irrational tsuas yog ib qho cuab yeej rau compressing cov duab. Qhov no yog piav qhia los ntawm qhov tseeb tias nws tus kheej qhov hnyav ntawm faststone duab Saib Txoj Haujlwm yog qhov loj heev, thiab kev tswj ntawm cov txheej txheem compression yog qhov nyuaj los ntawm kev tswj hwm kev ua haujlwm.
Raws li koj tuaj yeem pom, muaj ntau txoj kev pabcuam rau compression thiab kev ua kom zoo dua ntawm cov duab yog qhov loj heev. Lawv tuaj yeem tshwj xeeb hauv ob hom duab cais, thiab tswj lub peev xwm ua haujlwm nrog ntau hom duab thiab txawm nrog cov ntaub ntawv sib txawv tag nrho. Tsuas muaj ib qho haujlwm nkaus xwb - kev sib zog ntawm cov duab - los yog ua kom muaj ntau ntau yam, thiab cov zaws ntawm cov ntaub ntawv yuav nyob deb ntawm lawv txoj haujlwm tseem ceeb. Feem ntau, cov neeg siv tau muaj txoj hauv kev xaiv daim ntawv thov kom haum rau cov duab compressing uas lawv tau tsim ntau dua.