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Expedition Program","award":["2020D14016"],"award-info":[{"award-number":["2020D14016"]}]},{"name":"Chongqing Agricultural Industry Digital Map Project","award":["2021YFB3900500"],"award-info":[{"award-number":["2021YFB3900500"]}]},{"name":"Chongqing Agricultural Industry Digital Map Project","award":["41971375"],"award-info":[{"award-number":["41971375"]}]},{"name":"Chongqing Agricultural Industry Digital Map Project","award":["2021xjkk1400"],"award-info":[{"award-number":["2021xjkk1400"]}]},{"name":"Chongqing Agricultural Industry Digital Map Project","award":["21C00346"],"award-info":[{"award-number":["21C00346"]}]},{"name":"Chongqing Agricultural Industry Digital Map Project","award":["2020D14016"],"award-info":[{"award-number":["2020D14016"]}]},{"name":"Xinjiang Tianshan innovation team project","award":["2021YFB3900500"],"award-info":[{"award-number":["2021YFB3900500"]}]},{"name":"Xinjiang Tianshan innovation team project","award":["41971375"],"award-info":[{"award-number":["41971375"]}]},{"name":"Xinjiang Tianshan innovation team project","award":["2021xjkk1400"],"award-info":[{"award-number":["2021xjkk1400"]}]},{"name":"Xinjiang Tianshan innovation team project","award":["21C00346"],"award-info":[{"award-number":["21C00346"]}]},{"name":"Xinjiang Tianshan innovation team project","award":["2020D14016"],"award-info":[{"award-number":["2020D14016"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Accurate and reliable farmland crop mapping is an important foundation for relevant departments to carry out agricultural management, crop planting structure adjustment and ecological assessment. The current crop identification work mainly focuses on conventional crops, and there are few studies on parcel-level mapping of horticultural crops in complex mountainous areas. Using Miaohou Town, China, as the research area, we developed a parcel-level method for the precise mapping of horticultural crops in complex mountainous areas using very-high-resolution (VHR) optical images and Sentinel-2 optical time-series images. First, based on the VHR images with a spatial resolution of 0.55 m, the complex mountainous areas were divided into subregions with their own independent characteristics according to a zoning and hierarchical strategy. The parcels in the different study areas were then divided into plain, greenhouse, slope and terrace parcels according to their corresponding parcel characteristics. The edge-based model RCF and texture-based model DABNet were subsequently used to extract the parcels according to the characteristics of different regions. Then, Sentinel-2 images were used to construct the time-series characteristics of different crops, and an LSTM algorithm was used to classify crop types. We then designed a parcel filling strategy to determine the categories of parcels based on the classification results of the time-series data, and accurate parcel-level mapping of a horticultural crop orchard in a complex mountainous area was finally achieved. Based on visual inspection, this method appears to effectively extract farmland parcels from VHR images of complex mountainous areas. The classification accuracy reached 93.01%, and the Kappa coefficient was 0.9015. This method thus serves as a methodological reference for parcel-level horticultural crop mapping and can be applied to the development of local precision agriculture.<\/jats:p>","DOI":"10.3390\/rs14092015","type":"journal-article","created":{"date-parts":[[2022,4,24]],"date-time":"2022-04-24T00:45:21Z","timestamp":1650761121000},"page":"2015","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Parcel-Level Mapping of Horticultural Crop Orchards in Complex Mountain Areas Using VHR and Time-Series Images"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5777-8943","authenticated-orcid":false,"given":"Shuhui","family":"Jiao","sequence":"first","affiliation":[{"name":"National Engineering Research Center for Geomatics, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"},{"name":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dingxiang","family":"Hu","sequence":"additional","affiliation":[{"name":"MYbank, Z Space, No. 556 Xixi Road, Hangzhou 310013, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhanfeng","family":"Shen","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Geomatics, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoyu","family":"Wang","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Geomatics, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"},{"name":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen","family":"Dong","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Geomatics, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yifei","family":"Guo","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Geomatics, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"},{"name":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuo","family":"Li","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Geomatics, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"},{"name":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yating","family":"Lei","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Geomatics, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"},{"name":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenqi","family":"Kou","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Geomatics, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Wang","sequence":"additional","affiliation":[{"name":"MYbank, Z Space, No. 556 Xixi Road, Hangzhou 310013, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huimei","family":"He","sequence":"additional","affiliation":[{"name":"MYbank, Z Space, No. 556 Xixi Road, Hangzhou 310013, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanming","family":"Fang","sequence":"additional","affiliation":[{"name":"MYbank, Z Space, No. 556 Xixi Road, Hangzhou 310013, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,4,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"8784","DOI":"10.1080\/01431161.2018.1492178","article-title":"Classification-based mapping of trees in commercial orchards and natural forests","volume":"39","author":"Kozhoridze","year":"2018","journal-title":"Int. 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