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Crack cim thiab tshem tawm

Mar 21, 2019 Tso lus

Crack cim thiab tshem tawm

Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.

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Cov kab nrib pleev tau raug cuam tshuam cov qauv cuam tshuam los ntawm cov ntaub ntawv overlapping. Kev sib tsoo feem ntau ua rau peb theem ntawm kev ua duab.


1. Kev soj ntsuam cov ncauj lus kom ntxaws: Piv txwv, thaum luam ib daim duab ntawm cov ntaub ntawv los ntawm cov ntaub ntawv, ib lub cev raug tsim, uas yog los ntawm lub luam tawm nws tus kheej. Lub scanner tsis rhiab txaus rau cov ntsiab lus nyeem, thiab cov txiaj ntsim tshwm sim nyob rau hauv cov duab scanned thiab yuav tsis yog muab tshem tawm.


2. Cov zis tsis muaj lub npo tsis zoo: Thaum ib lub duab xim loj tuaj thaum lub voj voog tsis xwm yeem, lub suab tshwm ntawm daim duab luam tawm. Tsis tas li ntawd xwb, yog tias qhov ntsuas lub vijtsam tsis siv, qhov keej yuav tsis pom tseeb.


3. Luam theej duab cov duab ua ntej: Thaum luam ib daim duab uas twb dhau los lawm, cov xov xwm tsis tu ncua ntawm daim duab los yog cov voj voos tsis yog luam, tab sis cov mesh raug kho dua. Lub scanner tau pom ib qhov chaw ntawm cov dots, tab sis tsis tuaj yeem muab luam tawm raws li nws yog los yog hloov mus rau ib tug laus tas mus li. Yog li ntawd, daim duab muaj lub cev. Nyob rau hauv qhov no muaj ntau cov tswv yim yuav siv los txo los yog tshem tawm cov pa taws.


Hauv cov nram qab no, raws li kev puas tsuaj rau tag nrho cov duab zoo, ntau txoj kev tshem tawm cov kab nrib pleev tau pib.


1. Txo qhov tawg thaum luam cov duab ntawm lub mesh


Thaum luam yeeb dub thiab dawb mesh, cov kauj ruam nram qab no feem ntau tshem tawm qhov chaw nruab nrab ntawm cov dots.


1. Tshawb cov duab ntawm ib qho kev daws teeb meem uas yog ob zaug qhov kev daws teeb meem thiab ces rho tawm 10 pixels. Piv txwv, yog tias cov duab mesh raug luam tawm ntawm kev daws teeb meem ntawm 300 dpi, nws yog tam sim no luam ntawm 590 dpi.


2. Hauv Photoshop, xaiv Lim \ Blur \ Gaussian Blur (Lim \ Blur \ Gaussian Blur). Qhov lim no ua rau cov duab, qhov no tsuas yog qhov tseem ceeb tsawg dua yuav tsum siv, thiab pixels nrog lub vojvoog ntawm 0.7 rau 1.2 yuav tsum txaus.


3. Xaiv Duab Duab Duab.


4. Nyob hauv Duab Duab Sib Txuas Lus, xaiv "Cov Qauv Piv Txwv" thiab "Cov Qauv Piv Txwv" los hloov cov kev daws teeb meem uas cuam tshuam rau qhov dav thiab qhov siab, mam li teem caij rau "Bicubic" (theem nrab sab thawv).


5. Ntaus 300 nyob rau hauv Cov Tshooj Cai.


6. Nias "OK" los kho qhov kev daws teeb meem kom tshem tawm 3/4 ntawm daim duab pixels. Feem ntau qhov no yuav tshem tawm cov qauv feem ntau.


7. Tshawb xyuas cov duab. Yog hais tias tus qauv taw txo yog txo, nrog rau lwm cov kev hloov kho. Yog tsis yog, mus rau kauj ruam tom ntej.


8. Rov ntsuas tus duab. Yog tias tseem muaj me me ntawm kev ntxhib los mos, thov siv Filter \ Beise \ Despeckle (Lim \ Mixed \ Despeckle).


Qhov thib ob, tshem tawm cov tawg ntawm tig


Thaum luam thaij duab xim thaij, lub suab tshwm tsis zoo ib yam nkaus xwb nyob rau hauv ib txoj hauv kev (dub) tab sis nyob hauv ib los yog ntau xim. Kev hloov ntau dhau ntawm tag nrho cov duab yuav muaj kev cuam tshuam tsis txuam rau cov lus qhia nyob rau hauv cov channel uas tsis muaj tus qauv thaum pib.


Daim duab no tsis muab tso rau ntawm cov ces kaum ntawm lub qhov muag ntsia thawv lub sij hawm xa khoom, tab sis ntawm lub kaum ntse ntse txawv. Qhov no tuaj yeem yuam kev scanner los misinterpret cov yeeb yaj duab ntau dua, xws li cyan thiab dub, thiab thaum tig cov duab hauv Photoshop, plooj ntug ntawm cov qauv duab thaum lub sij hawm kev sib nkag siab, ua rau muaj kev nruam ntau dua. Nws feem ntau luam ntawm 15 °, 30 ° lossis 45 °.


Tom qab luam daim duab, muaj ob txoj hauv kev tig cov duab scanned. Ua ntej, xaiv Image \ Tig Canvas \ Arbitrary, nkag rau lub kaum sab xis uas cov duab yuav tsum tau tig, thiab tom qab ntawd mam li muab cov ntaub qhwv ntxiv uas yog tom qab tag nrho cov duab tig. Qhov thib ob, tig cov duab thaum uas siv daim duab.


Qhov peb, siv txoj kev fuzzy tshem tawm cov kab nrib pleb


Cov theem pib yooj yim:


1. Tig saib cov duab ntawm ob zaug daws teeb meem ntawm qhov kev daws teeb meem tsawg dua 10 pixels. Yog li, thaum thawj kab ntawm lub lim plav thov, daim duab muaj ntau cov ntaub ntawv tshaj qhov standard scan, nrog tsawg puas rau cov ntsiab lus tseem ceeb. Tsis tas li ntawd, thaum lub rooj sib hais ntawm cov duab uas tau qhov muag ploj lawm tom qab, cov teeb meem tsis sib haum xeeb ntau yuav raug muab tshem tawm.


2. Ploj tus duab. Thaum koj qhib lub luam theej duab hauv Photoshop, siv lub Gaussian plawv lim rau me ntsis distort cov duab kos. Feem ntau nyob ze rau 0.7 pixels ua tau zoo heev.


3. Xyuas cov xim channel. Feem ntau, qhov tawg tsuas cuam tshuam ib qho los yog ob txoj hauv kev, thiab nias rau ntawm cov xim hauv Cheebtsam Cheebtsam saib nws. Tom qab nrhiav qhov teeb meem xim muaj xim, siv lub Gaussian plooj los sis lub taub lim pliav dua siv qhov saum toj no los nrhiav qhov txawv txav qhov tseem ceeb thiab nruab nrab ntawm lawv.


4. Txo kev daws teeb meem. Tom qab qhov muag plooj, txo cov duab daws teeb meem rau qhov nqi. Xaiv Qhov Duab Duab / Duab Xaiv los xaiv cov Constrain Proportions thiab Cov Qauv Piv Txwv kev xaiv thiab sau tus nqi tshiab hauv Xeev qhov. Thaum Photoshop interpolates ntawm tus tshiab daws teeb meem, txhua tus nqi pixel yuav tsum raug rov ntsuas dua, uas ntxiv cov nab npawb ntawm lub cev. Yog tias tseem muaj qhov txawv me ntsis, xyuas cov xim channel thiab ua lwm Gaussian plooj nrog tus nqi me me (0.3 mus 0.5 pixels).


5. Cog cov duab. Thaum siv daim npog ntsej muag rau ib lub lag luam lim deev, nws yog ib qho tsim nyog los tawm tsam qhov sib txawv ntawm cov ntsiab lus ntawm daim duab thiab hnyav tawg uas tsis yooj yim tshem tawm. Thaum previewing cov nyhuv ntawm cov lim, teem caij pes tsawg tus nqi ua ntej qhov kev ntxhib los mos pib protrude. tus nqi.

Xa kev nug