I-NDVI (Inkomba Yezitshalo Ejwayelekile Yemihluko) iyinkomba esetshenziswa kakhulu yokulinganisa nokubheka impilo yemifino nobungqabavu. Kubalwa kusetshenziswa isithombe se-satellite, esikala inani lokukhanya okubonakalayo nokuseduze kwe-infrared okuboniswe imifino. I-NDVI ibalwa kusetshenziswa ama-algorithms akhethekile asetshenziswe kwidatha etholwe ezithombeni ze-satellite. Lawa ma-algorithms anaka inani lokukhanya okubonakalayo nokuseduze kwe-infrared okuboniswe yimifino, futhi asebenzise lolu lwazi ukukhiqiza inkomba engasetshenziswa ukuhlola impilo yemifino nokukhiqiza. Kodwa-ke, ezinye izinkampani zithengisa amakhamera we-NDVI noma izinzwa ezingafakwa kwi-drones noma ezinye izimoto ze-aerial ukuthwebula izithombe ze-NDVI eziphakeme. Lawa makhamera asebenzisa izihlungi ezikhethekile ukuthwebula ukukhanya okubonakalayo nokuseduze kwe-infrared, okungase kucutshungulwe kusetshenziswa amamephu we-NDVI ukukhiqiza amamephu anemininingwane yempilo yezimila nokukhiqiza.
Amalensi asetshenziselwa amakhamera we-NDVI noma izinzwa ngokuvamile afana namalensi asetshenziselwa amakhamera noma izinzwa ezivamile. Kodwa-ke, zingaba nezimpawu ezithile zokwandisa ukuthathwa kokukhanya okubonakalayo nokuseduze. Isibonelo, amanye amakhamera we-NDVI angasebenzisa ama-lens anenhlanganisela ethile ukunciphisa inani lokukhanya okubonakalayo okufika enzwaneni, ngenkathi kukhulisa inani lokukhanya okuseduze kwe-infrared. Lokhu kungasiza ukuthuthukisa ukunemba kwezibalo ze-NDV. Ngokwengeziwe, amanye amakhamera we-NDVI angasebenzisa ama-lens anosayizi okhethekile wokugxila noma usayizi wokuhlehlisa ukuze asebenzise ukuthwebula okukhanyayo ku-spectrum eseduze ne-infrared, okubalulekile ukuthola izilinganiso ezinembile ze-NDV. Sekukonke, ukukhethwa kwelensi yekhamera ye-NDVI noma inzwa kuzoncika kwisicelo esithile nezidingo, njengokulungiswa kwendawo oyifunayo kanye nobubanzi bokubuka.
Kuphelile
Okwedlule: Amalensi amakhamera we-Starlight Olandelayo: Ama-lens we-IRIS