Video: Dab tsi yog kev faib tawm hauv kev paub txog tej thaj chaw deb?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Dab tsi yog Duab Classification nyob rau hauv Remote Sensing ? Duab kev faib tawm yog tus txheej txheem ntawm muab cov chav kawm npog av rau pixels. Piv txwv li, cov chav kawm muaj xws li dej, nroog, hav zoov, kev ua liaj ua teb thiab nyom.
Ib yam li ntawd, txhais li cas los ntawm kev faib cov duab?
Kev faib duab hais txog txoj haujlwm ntawm kev rho tawm cov ntaub ntawv cov chav kawm los ntawm multiband raster duab . Lub resulting raster los ntawm kev faib duab tuaj yeem siv los tsim cov duab kos duab. Txoj kev pom zoo los ua kev faib tawm thiab multivariate tsom xam yog los ntawm cov Duab Classification toolbar.
Tom qab ntawd, lo lus nug yog, dab tsi yog kev saib xyuas kev faib tawm hauv cov chaw taws teeb sensing? Kev saib xyuas kev faib tawm hauv Chaw Taws Teeb Pom Kev Hauv saib xyuas kev faib tawm , koj xaiv cov qauv kev cob qhia thiab faib koj duab raws li koj cov qauv xaiv. Koj cov qauv kev cob qhia yog qhov tseem ceeb vim tias lawv yuav txiav txim siab seb chav kawm twg txhua pixel tau txais txiaj ntsig hauv koj tag nrho duab.
Hais txog qhov no, lub hom phiaj ntawm kev faib cov duab hauv cov chaw taws teeb pom kev yog dab tsi?
Nyob rau hauv ib tug dav dav, kev faib duab yog txhais raws li tus txheej txheem ntawm categorizing tag nrho pixels nyob rau hauv ib duab los yog raw nyob deb tau hnov satellite cov ntaub ntawv kom tau txais ib daim ntawv teev npe lossis cov ntsiab lus hauv av (Lillesand, Keifer 1994). Raws li tuaj yeem pom hauv daim duab 1. SPOT multispectral duab ntawm qhov chaw xeem.
Kev faib tawm tsis siv neeg yog dab tsi?
Kuj tseem hu ua categorization, clustering lossis text kev faib tawm , tsis siv neeg ntaub ntawv kev faib tawm tso cai rau koj los faib thiab teeb tsa cov ntawv nyeem raws li cov txheej txheem ua ntej uas tso cai kom rov qab tau cov ntaub ntawv sai, yooj yim hauv theem tshawb nrhiav.
Pom zoo:
Qib 11 Kev Tshaj Tawm Txog Kev Tshaj Tawm thiab Kev Paub Txog Xov Xwm yog dab tsi?
People Media (Media thiab Information Literacy for Grade 11) 1. Print Media -Medium uas siv tej ntaub ntawv luam tawm (xws li ntawv xov xwm, ntawv xov xwm, thiab lwm yam) los qhia cov ntaub ntawv. Nws muaj qhov nruab nrab ntawm cov neeg tuaj saib thiab siv cov ntawv pom lossis cov duab. -Tsuas yog tus thawj pab / cuab yeej ntawm cov kws qhia ntawv thiab cov tub ntxhais kawm hauv chav kawm (cov phau ntawv)
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