Lublub lens qhov muag ntsesyog lub lens dav dav nrog kev tsim kho qhov muag tshwj xeeb, uas tuaj yeem ua rau pom lub kaum sab xis loj thiab cuam tshuam kev cuam tshuam, thiab tuaj yeem ntes tau qhov pom dav heev. Hauv tsab xov xwm no, peb yuav kawm txog cov yam ntxwv, kev siv thiab cov lus qhia siv ntawm cov lens fisheye.

1.Cov yam ntxwv ntawm cov iav qhov muag ntses

(1)Lub zeem muag dav dua

Lub kaum sab xis ntawm lub lens fisheye feem ntau yog nruab nrab ntawm 120 degrees thiab 180 degrees. Piv nrog rau lwm lub lens dav dav, cov lens fisheye tuaj yeem ntes tau qhov chaw dav dua.

Lub lens fisheye

(2)Muaj zog cuam tshuam

Piv nrog rau lwm cov lenses, lub lens fisheye muaj qhov cuam tshuam zoo dua, ua rau cov kab ncaj nraim hauv daim duab zoo li nkhaus lossis khoov, nthuav tawm cov duab tshwj xeeb thiab zoo heev.

(3)Lub teeb kis tau zoo heev

Feem ntau hais lus, cov iav fisheye muaj lub teeb ci ntsa iab dua thiab tuaj yeem tau txais cov duab zoo dua hauv cov xwm txheej uas tsis tshua muaj teeb.

2.Adaim ntawv thovsntawm cov lens fisheye

(1)Tsim cov teebmeem pom kev tshwj xeeb

Qhov cuam tshuam ntawm kev cuam tshuam ntawmlub lens qhov muag ntsesmuaj peev xwm tsim cov teebmeem pom kev tshwj xeeb thiab siv dav hauv kev thaij duab kos duab thiab kev thaij duab muaj tswv yim. Piv txwv li, thaij cov tsev, toj roob hauv pes, tib neeg, thiab lwm yam tuaj yeem ua rau koj cov duab zoo nkauj tshwj xeeb.

(2)Kev ua kis las thiab kev thaij duab kis las

Lub lens fisheye no siv tau rau kev thaij duab kis las, qhia txog kev txav mus los thiab ua kom pom kev txav mus los zoo dua. Feem ntau siv rau kev ua kis las hnyav, kev sib tw tsheb thiab lwm yam.

(3)Kev thaij duab rau qhov chaw me me

Vim tias nws tuaj yeem ntes tau qhov pom dav heev, cov iav fisheye feem ntau siv los ntes cov chaw me me, xws li sab hauv tsev, tsheb, qhov tsua, thiab lwm yam xwm txheej.

(4)Cov nyhuv pom tseeb

Lub lens fisheye tuaj yeem ua kom pom qhov cuam tshuam ntawm qhov ze thiab deb, tsim kom pom kev zoo ntawm kev nthuav dav pem hauv ntej thiab me me keeb kwm yav dhau, thiab txhim kho cov nyhuv peb-seem ntawm daim duab.

Kev siv lub lens fisheye

(5)Kev tshaj tawm thiab kev thaij duab lag luam

Cov iav Fisheye kuj tseem siv dav hauv kev tshaj tawm thiab kev thaij duab lag luam, uas tuaj yeem ntxiv kev qhia tshwj xeeb thiab kev cuam tshuam rau cov khoom lossis cov xwm txheej.

3.Cov lus qhia siv lub lens fisheye

Cov teebmeem tshwj xeeb ntawmlub lens qhov muag ntsesMuaj ntau txoj kev siv sib txawv rau hauv cov ntsiab lus tua sib txawv, uas yuav tsum tau sim thiab xyaum raws li qhov xwm txheej tiag tiag. Feem ntau, koj yuav tsum tau them sai sai rau cov lus qhia hauv qab no thaum siv cov iav fisheye:

(1)Tsim nrog cov teebmeem distortion

Qhov cuam tshuam ntawm lub lens fisheye siv tau los tsim kom muaj qhov nkhaus lossis kev cuam tshuam ntau dhau ntawm qhov chaw, ua kom cov duab zoo nkauj dua. Koj tuaj yeem sim siv nws los thaij cov tsev, toj roob hauv pes, tib neeg, thiab lwm yam kom pom lawv cov duab tshwj xeeb.

(2)Sim zam cov ntsiab lus tseem ceeb

Vim tias qhov cuam tshuam ntawm lub lens fisheye pom tseeb dua, qhov tseem ceeb hauv nruab nrab yooj yim ncab lossis cuam tshuam, yog li thaum tsim daim duab, koj tuaj yeem tsom mus rau cov npoo lossis cov khoom tsis sib xws kom tsim tau qhov pom tshwj xeeb.

Cov lus qhia siv ntawm fisheye lens

(3)Ua tib zoo saib xyuas kev tswj lub teeb kom zoo

Vim yog lub lens fisheye uas muaj lub kaum sab xis dav, nws yooj yim rau kev ua kom lub teeb ci ntau dhau lossis ua kom cov duab ntxoov ntxoo ntau dhau. Yuav kom tsis txhob muaj qhov xwm txheej no, koj tuaj yeem kho qhov cuam tshuam ntawm kev raug teeb pom kev zoo los ntawm kev kho cov kev teeb pom kev zoo lossis siv cov lim dej.

(4)Kev siv cov teebmeem ntawm kev xav kom raug

Lublub lens qhov muag ntsestuaj yeem ua kom pom qhov pom ntawm qhov ze thiab deb, thiab tuaj yeem tsim kom pom qhov pom ntawm qhov pem hauv ntej thiab ua kom qhov keeb kwm yav dhau me dua. Koj tuaj yeem xaiv lub kaum sab xis thiab qhov deb kom pom qhov pom thaum thaij duab.

(5)Ua tib zoo saib xyuas qhov distortion ntawm ntug ntawm lub lens

Cov teebmeem distortion ntawm qhov chaw nruab nrab thiab ntug ntawm lub lens txawv. Thaum thaij duab, koj yuav tsum tau ua tib zoo saib seb daim duab ntawm ntug ntawm lub lens puas zoo li qhov xav tau, thiab siv qhov kev distortion ntawm ntug kom zoo dua qhov cuam tshuam ntawm daim duab.