< img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1241806559960313&ev=PageView&noscript=1" /> Nkhani - UAV Multispectral Remote Sensing to Monitor Cotton Growth

UAV Multispectral Remote Sensing Kuti Muyang'anire Kukula Kwa Thonje

Thonje ngati chinthu chofunikira kwambiri pazachuma komanso mafakitale opanga nsalu za thonje, chifukwa chakuchulukira kwa malo okhala anthu ambiri, vuto la mpikisano wapamtunda wa thonje, tirigu ndi mbewu zamafuta likukulirakulira, kugwiritsa ntchito thonje ndi mbewu zophatikizana kungathandize kuchepetsa kusagwirizana pakati pawo. kulima thonje ndi mbewu zambewu, zomwe zimatha kupititsa patsogolo zokolola za mbewu ndi kuteteza zachilengedwe zosiyanasiyana ndi zina zotero. Chifukwa chake, ndikofunikira kwambiri kuyang'anira kukula kwa thonje mwachangu komanso molondola.

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Zithunzi zowoneka bwino komanso zowoneka bwino za thonje pamagawo atatu a chonde zidapezedwa ndi ma UAV-mounted multi-spectral and RGB sensors, mawonekedwe awo owoneka bwino ndi zithunzi adachotsedwa, ndikuphatikizidwa ndi kutalika kwa mbewu za thonje pansi, SPAD ya thonje idachotsedwa. kuyerekeza ndi voti regression integrated learning (VRE) ndikuyerekeza ndi mitundu itatu, yomwe ndi, Random Forest Regression (RFR), Gradient Boosted Tree Regression (GBR), ndi Support Vector. Kusintha kwa Makina (SVR). . Tidawunika kulondola kwamitundu yosiyanasiyana ya thonje lomwe lili ndi chlorophyll, ndikuwunikanso zotsatira za kagayidwe kamitundu yosiyanasiyana pakati pa thonje ndi soya pakukula kwa thonje, kuti tipeze maziko osankhidwa a chiŵerengero cha kalimidwe ka thonje. pakati pa thonje ndi soya ndi kuyerekeza kwapamwamba kwa thonje la SPAD.

Poyerekeza ndi mitundu ya RFR, GBR, ndi SVR, mtundu wa VRE udawonetsa zotsatira zabwino kwambiri pakuyerekeza SPAD ya thonje. Kutengera mtundu wa kuyerekezera kwa VRE, choyimira chokhala ndi zithunzi zowoneka bwino, mawonekedwe azithunzi zowoneka, ndi kuphatikiza kutalika kwa mbewu monga zolowetsa zinali zolondola kwambiri ndi mayeso a R2, RMSE, ndi RPD ya 0.916, 1.481, ndi 3.53, motsatana.

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Zinawonetsedwa kuti kuphatikizika kwa ma data amitundu yambiri kuphatikiziridwa ndi kuphatikizika kwa voti kumapereka njira yatsopano komanso yothandiza pakuyerekeza kwa SPAD mu thonje.


Nthawi yotumiza: Dec-03-2024

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