1.Dab tsi yog scanning lens?

Raws li daim ntawv thov teb, nws tuaj yeem muab faib ua qib kev lag luam thiab qib neeg siv khoomscanning lens. Lub lens scan siv qhov tsim kho qhov muag uas tsis muaj kev cuam tshuam, qhov tob ntawm qhov loj, thiab kev daws teeb meem siab.

Tsis muaj distortion los yog Tsawg distortion:Los ntawm lub hauv paus ntsiab lus ntawm optical imaging yam tsis muaj distortion los yog tsawg distortion nyob rau hauv pem hauv ntej kawg, tus thawj cov duab ntawm cov khoom yees duab raug ntes rau simulation paub. Nyob rau hauv kev xaiv ntawm lub lens rau kev soj ntsuam cov cuab yeej thiab cov khoom siv, thawj qhov kev xaiv yog tsis muaj distortion los yog tsawg distortion lens. Los yog yog tias koj xaiv lub lens distorted, nws kuj tuaj yeem raug kho los ntawm lub back-end software algorithm kom tau txais lub hom phiaj ntawm kev pom.

Lub lens scan

Qhov tob ntawm daim teb lossis DoF yog dab tsi?Qhov tob ntawm thaj teb yog hais txog qhov kev ncua deb ntawm sab xub ntiag thiab sab nraub qaum ntawm cov khoom uas tseem meej tom qab qhov kev kawm tau tsom kom meej. Chav tsev feem ntau qhia hauv mm. Qhov tob ntawm qhov chaw muaj feem xyuam nrog lub lens tsim, focal ntev, aperture, khoom nrug thiab lwm yam. Qhov ze ntawm qhov khoom nyob deb, qhov me dua qhov tob ntawm qhov chaw, thiab vice versa. Qhov me me ntawm qhov focal ntev, qhov ntau dua qhov tob ntawm daim teb, thiab vice versa. Qhov me me ntawm qhov aperture, qhov ntau dua qhov tob ntawm qhov chaw, thiab vice versa. Raws li cov yam ntxwv ntawm lub lens optical, nyob rau hauv daim ntawv thov tiag tiag ntawmluamKev lees paub, tus qauv me me aperture feem ntau yog siv los ua kom qhov kev thov rau qhov tob ntawm qhov loj.

Qhov tob ntawm qhov chaw

Qhov kev daws teeb meem yog dab tsi ntawm lens?Chav tsev: mm / lp, Nws yog hais txog tus naj npawb ntawm cov kab dub-thiab-dawb kab uas tuaj yeem sib txawv hauv txhua hli, uas yog qhov ntsuas ntsuas. Kev daws teeb meem yog qhov ntsuas ntawm lub lens pixel index, xa mus rau lub peev xwm los txheeb xyuas cov ntsiab lus ntawm cov khoom. Cov kev daws teeb meem siab yog siv rau qib kev lag luam, thiab qhov kev daws teeb meem qis yog siv rau qib noj.

2. Yuav ua li cas xaiv nti rau scan paub cov khoom?

Muaj ntau lub sensors hauv khw, nrog rau ntau qhov chaw pom: 1/4 ", 1/3", 1/2.5 ", 1/2.3", 1/2 ". yog li nws tuaj yeem ua tau raws li qhov xav tau sib txawv. High daws teeb meem lo ntsiab muag yog feem ntau siv nyob rau hauv kev lag luam nrhiav kom tau. Rau cov neeg siv khoom thov, tshwj xeeb tshaj yog rau 2D thiab 3D scanning paub. Cov xaiv VGA chips, xws li OV9282, tsis tas yuav tsum tau rau lub lens sib thooj pixels, tab sis yuav tsum muaj qhov sib xws ntawm lub lens, uas yog qhov tseem ceeb heev rau kev tswj cov txheej txheem ntau lawm. Thaum lub lens tsim tiav, Nyob rau theem ntau lawm, lub kaum sab xis ntawm kev pom tuaj yeem tswj tau ntawm qhov ntxiv lossis rho tawm 0.5 degrees, kom ntseeg tau qhov sib txawv yam tsawg kawg nkaus.

3. Yuav ua li cas xaiv lub mount ntawm scanning lens?

Kev lag luam luam ntawv feem ntau siv C mount, T mount thiab lwm yam. Raws li cov neeg siv khoom, dhau li ntawm M12 mount,scanning lensnrog mount M10, M8, M7, M6 thiab M5 yog dav siv. Lawv tuaj yeem ua tau raws li cov qauv ntawm cov khoom siv hnyav, thiab cov khoom tsim qauv tuaj yeem nyiam los ntawm cov neeg siv khoom.

4.Dab tsi yog daim ntawv thov teb ntawm scanning lens?

ChuangAn tus kheej-tsim scanning lo ntsiab muag tau dav siv hauv kev paub lub ntsej muag, QR code scanning, lub koob yees duab ceev ceev scanning, binocular splicing scanning, 3D scanning recognition, macro scanning, handwritten text recognition, luam ntawv nyeem ntawv, ua lag ua luam daim card paub, ID card paub, Kev paub txog kev ua lag luam, kev lees paub tus nqi ntxiv, kev lees paub cov duab nrawm, luam ntawv bar-code.

Kev siv lub lens scan