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Cross-regional oil palm tree counting and detection via a multi-level attention domain adaptation network

Juepeng Zheng, Haohuan Fu, Weijia Li, Wenzhao Wu, Yi Zhao, Runmin Dong, Le Yu
2020 ISPRS journal of photogrammetry and remote sensing (Print)  
In this paper, we propose a novel domain adaptive oil palm tree detection method, i.e., a Multi-level Attention Domain Adaptation Network (MADAN) to reap cross-regional oil palm tree counting and detection  ...  Providing an accurate evaluation of palm tree plantation in a large region can bring meaningful impacts in both economic and ecological aspects.  ...  Ultimately, we accomplish the cross-regional oil palm tree detection via MADAN.  ... 
doi:10.1016/j.isprsjprs.2020.07.002 fatcat:crduv7xd3zetxohsleeh3twnhm

Sustainable Oil Palm Resource Assessment Based on an Enhanced Deep Learning Method

Xinni Liu, Kamarul H. Ghazali, Akeel A. Shah
2022 Energies  
High-resolution images of oil palm trees from a drone are used to form the data set, containing mature, young, and mixed oil palm tree regions.  ...  We propose a modification of the Faster Region-based Convolutional Neural Network (FRCNN) for palm tree detection to reduce the overfitting problem and improve the detection accuracy.  ...  Three type of oil palm tree regions. (a) Region with mature palm trees. (b) Region with young palm trees. (c) Region with mixed palm trees.Figure 8. Three type of oil palm tree regions.  ... 
doi:10.3390/en15124479 doaj:631bff7ff2504ed6a24c357ab74ec5e0 fatcat:irxctevtb5dw5n64ldvszyukq4

Hyperspectral Imagery for Mapping Disease Infection in Oil Palm Plantation Using Vegetation Indices and Red Edge Techniques

Helmi Zulhaidi Mohd Shafr, Nasrulhapiza Hamdan
2009 American Journal of Applied Sciences  
Problem statement: Large scale plantation of oil palm trees requires on-time detection of diseases as the ganoderma basal stem rot disease was present in more than 50% of the oil palm plantations in Peninsular  ...  Approach: To deal with this problem, airborne hyperspectral imagery offers a better solution in order to detect and map the oil palm trees that were affected by the disease on time.  ...  oil palm trees.  ... 
doi:10.3844/ajassp.2009.1031.1035 fatcat:aen2szsc35cfbejpxsov2hkbey

Unmanned Aircraft System (UAS) Based Large Area Identification of Basal Stem Rot (BSR) Infected Oil Palm Tree Using Convolutional Neural Network (CNN)

K. Johnathan, T.S.Y. Moh
2021 IJIREEICE  
A fast, accurate, wide-coverage and non-destructive method for detection of infected oil palm tree is required.  ...  processed for oil palm tree health status.  ...  Healthy oil plam tree versus (ii) Infected oil palm tree.  ... 
doi:10.17148/ijireeice.2021.91103 fatcat:52hemq6lzfepppss6cwtknwhne

Early Detection of Basal Stem Rot Disease in Oil Palm Tree Using Unmanned Aerial Vehicle-Based Hyperspectral Imaging

Junichi Kurihara, Voon-Chet Koo, Cheaw Wen Guey, Yang Ping Lee, Haryati Abidin
2022 Remote Sensing  
Early detection of basal stem rot (BSR) disease in oil palm trees is important for the sustainable production of palm oil in the limited land for plantation in Southeast Asia.  ...  These findings will be useful for future UAV-based multispectral imaging to efficiently cover a wide area of oil palm plantations for the early detection of BSR disease.  ...  Along these roads, another farm road crosses the center of the site. The site has 1113 oil palm trees planted 13 years ago in an area of 8 ha.  ... 
doi:10.3390/rs14030799 fatcat:6bkm3qh6djbtfhrcmkza4fb2fy

Draft genome sequence of an eliteDurapalm and whole-genome patterns of DNA variation in oil palm

Jingjing Jin, May Lee, Bin Bai, Yanwei Sun, Jing Qu, Rahmadsyah, Yuzer Alfiko, Chin Huat Lim, Antonius Suwanto, Maria Sugiharti, Limsoon Wong, Jian Ye (+2 others)
2016 DNA Research  
In addition, high linkage disequilibrium (LD) was detected in the oil palms used in breeding populations of Southeast Asia, suggesting that LD mapping is likely to be practical in this important oil crop  ...  Re-sequencing of 17 additional palm trees identified 18.1 million SNPs.  ...  Detection of SNPs and genetic variations in 18 palm trees For the 18 accessions of oil palm trees we sequenced, SNPs were called in three steps: (i).  ... 
doi:10.1093/dnares/dsw036 pmid:27426468 pmcid:PMC5144676 fatcat:xcguwnikdfhcvoddn5qyeri334

Oil Palm (Elaeis guineensis) Mapping with Details: Smallholder versus Industrial Plantations and their Extent in Riau, Sumatra

Adrià Descals, Zoltan Szantoi, Erik Meijaard, Harsono Sutikno, Guruh Rindanata, Serge Wich
2019 Remote Sensing  
This means that researchers, certification bodies, and stakeholders can adequately detect mature oil palm stands over large regions without training complex classification models and with Sentinel-1 features  ...  Oil palm is rapidly expanding in Southeast Asia and represents one of the major drivers of deforestation in the region.  ...  Researchers and environmentalists can easily reproduce the classification model for mapping oil palm trees over large regions and detect new plantations in sensitive and protected areas.  ... 
doi:10.3390/rs11212590 fatcat:v23re7mpnrfwjgejr3szlz3owi

Synergy of Active and Passive Remote Sensing Data for Effective Mapping of Oil Palm Plantation in Malaysia

Nazarin Ezzaty Mohd Najib, Kasturi Devi Kanniah, Arthur P. Cracknell, Le Yu
2020 Forests  
A manipulation of the horizontal–horizontal (HH) and horizontal–vertical (HV) polarizations of ALOS PALSAR data detected oil palm trees and water bodies, while the red spectra L-band from Landsat data  ...  Malaysia is the world's second largest producer of palm oil; 16% of its land is planted with oil palm.  ...  We acknowledge Department of Agriculture and Malaysian Palm Oil Board for providing land use data and oil palm area statistics to conduct the study.  ... 
doi:10.3390/f11080858 fatcat:cnoe7th5ebdurffp7oufamtiem

Density and Ultrasonic Characterization of Oil Palm Trunk Infected by Ganoderma Boninense Disease

M. Najmie, K. Khalid, A. Sidek, M. Jusoh
2011 Measurement Science Review  
Oil palm trunks infected by Ganoderma boninense disease have been studied using density and ultrasonic characterizations.  ...  It was found that the stem density of the oil palm infected by Ganoderma boninense disease was reduced by 50% in comparison to the original healthy trunk.  ...  SUBJECT & METHODS An oil palm tree was infected by Ganoderma boninense disease obtained in Oil palm Farm, UPM.  ... 
doi:10.2478/v10048-011-0026-x fatcat:wdvhsdt2mzddxjptarqxxvt5ay

FROM UAS DATA ACQUISITION TO ACTIONABLE INFORMATION – HOW AN END-TO-END SOLUTION HELPS OIL PALM PLANTATION OPERATORS TO PERFORM A MORE SUSTAINABLE PLANTATION MANAGEMENT

C. Hoffmann, C. Weise, T. Koch, K. Pauly
2016 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Palm oil represents the most efficient oilseed crop in the world but the production of palm oil involves plantation operations in one of the most fragile environments - the tropical lowlands.  ...  <br><br> This paper focuses on two key elements of a UAS-based oil palm monitoring system.  ...  Figure 6 : Results of tree detection (orange crosses) using a template matching algorithm that was populated with templates of oil palm trees.  ... 
doi:10.5194/isprsarchives-xli-b1-1113-2016 fatcat:5a4rojeyyzep7g2p6dtahtmyvu

FROM UAS DATA ACQUISITION TO ACTIONABLE INFORMATION – HOW AN END-TO-END SOLUTION HELPS OIL PALM PLANTATION OPERATORS TO PERFORM A MORE SUSTAINABLE PLANTATION MANAGEMENT

C. Hoffmann, C. Weise, T. Koch, K. Pauly
2016 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Palm oil represents the most efficient oilseed crop in the world but the production of palm oil involves plantation operations in one of the most fragile environments - the tropical lowlands.  ...  <br><br> This paper focuses on two key elements of a UAS-based oil palm monitoring system.  ...  Figure 6 : Results of tree detection (orange crosses) using a template matching algorithm that was populated with templates of oil palm trees.  ... 
doi:10.5194/isprs-archives-xli-b1-1113-2016 fatcat:yqwqifl6ujfelk6w4jcsu56fj4

Oil palm Fusarium wilt distribution and incidence in Southern Region of Ivory Coast
English

Bale Françoise Epse Dibi GOGBE, Sekou DIABATE, Jean Noel KONAN, Kan Aurore Bel Martine KABLAN, Denezon Odette DOGBO
2017 African Journal of Agricultural Research  
But Fusarium wilt of oil palm was not observed in Iboké Region. The disease is still present in other localities (Divo, Dabou, Anguédédou, La Mé, Eloka and Ehania).  ...  This work shows prospect in the industrial and village oil palm plantations in the Southern region of Ivory Coast, used to assess the incidence and distribution of this disease.  ...  They also thank the Interprofessional Association of the Palm Tree Oil Sector in Ivory Coast (AIPH) and the Interprofessional Fund for Agricultural Research and Consultancy (FIRCA), two structures that  ... 
doi:10.5897/ajar2017.12479 fatcat:ox26idpprnc5thd7vfxmt3zldy

Improving palm oil quality through identification and mapping of the lipase gene causing oil deterioration

F. Morcillo, D. Cros, N. Billotte, G.-F. Ngando-Ebongue, H. Domonhédo, M. Pizot, T. Cuéllar, S. Espéout, R. Dhouib, F. Bourgis, S. Claverol, T. J. Tranbarger (+2 others)
2013 Nature Communications  
Figure 1 | 1 Oil palm is a major oil-crop. (a) Palm tree with several bunches at different stages of ripeness; a palm tree continuously produces bunches yearlong bunches per year, depending on age).  ...  S progeny resulted from self-crossing of D1 and contains 21 trees, 5 of which were further self-crossed to give rise to progenies P1 (15 trees), P2 (104 trees), P3 (17 trees), P4 (75 trees) and P5 (75  ...  Improving palm oil quality through identification and mapping of the lipase gene causing oil deterioration. Nat. Commun.  ... 
doi:10.1038/ncomms3160 pmid:23857501 pmcid:PMC3717496 fatcat:apzjxkgmovakjayiokvbwzjhfm

Relationship between the 1997/98 El Niño and 1999/2001 La Niña events and oil palm tree production in Tumaco, Southwestern Colombia

M. C. Cadena, A. Devis-Morales, J. D. Pabón, I. Málikov, J. A. Reyna-Moreno, J. R. Ortiz
2006 Advances in Geosciences  
ENSO-related climatic variability also had an important effect on the different developmental stages of the oil palm tree, thereby affecting its production.  ...  This is the first effort made to determine the effect of such events on local climate and the impact of this variability on oil palm tree (Elaeis guineensis) production in the Tumaco municipality, which  ...  are perfect for cultivating the oil palm tree.  ... 
doi:10.5194/adgeo-6-195-2006 fatcat:wrmeanl46nhvfilv7ubwqwm2xa

A consensus linkage map of oil palm and a major QTL for stem height

May Lee, Jun Hong Xia, Zhongwei Zou, Jian Ye, Rahmadsyah, Yuzer Alfiko, Jingjing Jin, Jessica Virginia Lieando, Maria Indah Purnamasari, Chin Huat Lim, Antonius Suwanto, Limsoon Wong (+2 others)
2015 Scientific Reports  
We have used 106 DNA markers (see Supplementary Table 1) , and genotyped 192 trees in a F 1 family generated by crossing a Dura and a Pisifera oil palm.  ...  Markers (i.e. eg2209 and EGEMS0023) flanking the major QTL for tree height detected in this study were run in a blast search against the whole genome sequence of the oil palm (http://genomsawit.mpob.gov.my  ... 
doi:10.1038/srep08232 pmid:25648560 pmcid:PMC4316154 fatcat:feaaaq53yjbcza2kadenupnpgq
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