Dab tsi yog kev taw qhia sab hauv hauv photogrammetry?

Cov txheej txheem:

Dab tsi yog kev taw qhia sab hauv hauv photogrammetry?
Dab tsi yog kev taw qhia sab hauv hauv photogrammetry?
Anonim

Interior orientation defines the internal geometry of a camera or sensor as it existed at the time of data capture. • Nws txhais cov duab qhov chaw sib koom ua ke raws li pixel thiab duab saib xyuas thiab lub koob yees duab tsis zoo (piv txwv li, f thiab lens distortion qauv). - Cov ntsiab lus tseem ceeb & cov cim kos npe. - Focal length & lens distortion.

Dab tsi yog sab hauv thiab sab nrauv orientation hauv photogrammetry?

Rau qhov kev taw qhia sab hauv, ob pawg ntawm cov ntsuas yuav tsum tau txiav txim siab. Thawj muaj cov geometric parameters ntawm lub koob yees duab: tus thawj xib fwb nyob deb thiab lub coordinates ntawm tus thawj xib fwb taw tes. … Kev taw qhia sab nrauv yog lub hom phiaj txhawm rau txheeb xyuas txoj haujlwm thiab tus cwj pwm ntawm lub koob yees duab ntawm qhov tshwm sim tam sim ntawd.

Dab tsi yog qhov kev taw qhia sab hauv?

Tshwj xeeb, qhov kev taw qhia sab hauv tsis yog qhov kev sib koom ua ke hauv pixel ntawm qhov chaw duab, lossis lub ntsiab lus tseem ceeb (x o, y o), focal ntev f thiab ib qho tsis siv los ua qauv lens distortion dx.

kev txheeb ze yog dab tsi?

Kev txheeb ze yog kev rov qab los ntawm txoj haujlwm thiab kev taw qhia ntawm ib qho kev ntsuas kev txheeb ze rau lwm tus los ntawm kev sib txuas lus ntawm tsib lossis ntau dua kab hluav taws xob. Nws yog ib qho ntawm plaub qhov teeb meem tseem ceeb hauv photogrammetry thiab yog qhov tseem ceeb hauv lub tso suab tso suab zoo li nyob rau hauv qhov pom kev ntev ntev.

Dab tsi yog txheeb ze thiab meejkev taw qhia?

Kev txheeb ze yog qhov kev txiav txim siab ntawm qhov txheeb ze thiab kev taw qhia ntawm lub koob yees duab. Sab nrauv thiab tsis muaj kev taw qhia. Kev taw qhia sab nrauv sib haum rau txoj haujlwm raug thiab kev taw qhia ntawm lub koob yees duab nrog kev hwm rau "lub ntiaj teb" kev sib koom ua ke.

Pom zoo:

Nthuav cov khoom
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