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1por Laso Bayas, Juan Carlos, Lesiv, Myroslava, Waldner, François, Schucknecht, Anne, Duerauer, Martina, See, Linda, Fritz, Steffen, Fraisl, Dilek, Moorthy, Inian, McCallum, Ian, Perger, Christoph, Danylo, Olha, Defourny, Pierre, Gallego, Javier, Gilliams, Sven, Akhtar, Ibrar ul Hassan, Baishya, Swarup Jyoti, Baruah, Mrinal, Bungnamei, Khangsembou, Campos, Alfredo, Changkakati, Trishna, Cipriani, Anna, Das, Krishna, Das, Keemee, Das, Inamani, Davis, Kyle Frankel, Hazarika, Purabi, Johnson, Brian Alan, Malek, Ziga, Molinari, Monia Elisa, Panging, Kripal, Pawe, Chandra Kant, Pérez-Hoyos, Ana, Sahariah, Parag Kumar, Sahariah, Dhrubajyoti, Saikia, Anup, Saikia, Meghna, Schlesinger, Peter, Seidacaru, Elena, Singha, Kuleswar, Wilson, John W“…A global reference data set on cropland was collected through a crowdsourcing campaign using the Geo-Wiki crowdsourcing tool. The campaign lasted three weeks, with over 80 participants from around the world reviewing almost 36,000 sample units, focussing on cropland identification. …”
Publicado 2017
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2por Laso Bayas, Juan Carlos, See, Linda, Georgieva, Ivelina, Schepaschenko, Dmitry, Danylo, Olga, Dürauer, Martina, Bartl, Hedwig, Hofhansl, Florian, Zadorozhniuk, Roman, Burianchuk, Maksym, Sirbu, Flavius, Magori, Brigitte, Blyshchyk, Kateryna, Blyshchyk, Volodymyr, Rabia, Ahmed Harb, Pawe, Chandra Kant, Su, Yuan-Fong, Ahmed, Merajuddin, Panging, Kripal, Melnyk, Oleksandr, Vasylyshyn, Olesia, Vasylyshyn, Roman, Bilous, Andrii, Bilous, Svitlana, Das, Krishna, Prestele, Reinhard, Pérez-Hoyos, Ana, Bungnamei, Khangsembou, Lashchenko, Andrii, Lakyda, Maryna, Lakyda, Ivan, Serediuk, Oleksandr, Domashovets, Galyna, Yurchuk, Yuriy, Koper, Michèle, Fritz, Steffen“…The data were collected using the Geo-Wiki platform (www.geo-wiki.org) where the participants were asked to select the predominant and secondary forest loss drivers amongst a list of potential factors indicating evidence of visible human impact such as roads, trails, or buildings. …”
Publicado 2022
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3por See, Linda, Georgieva, Ivelina, Duerauer, Martina, Kemper, Thomas, Corbane, Christina, Maffenini, Luca, Gallego, Javier, Pesaresi, Martino, Sirbu, Flavius, Ahmed, Rekib, Blyshchyk, Kateryna, Magori, Brigitte, Blyshchyk, Volodymyr, Melnyk, Oleksandr, Zadorozhniuk, Roman, Mandici, Marian-Traian, Su, Yuan-Fong, Rabia, Ahmed Harb, Pérez-Hoyos, Ana, Vasylyshyn, Roman, Pawe, Chandra Kant, Bilous, Svitlana, Kovalevskyi, Serhii B., Kovalevskyi, Sergii S., Bordoloi, Kusumbor, Bilous, Andrii, Panging, Kripal, Bilous, Valentyn, Prestele, Reinhard, Sahariah, Dhrubajyoti, Deka, Anjan, Nath, Nityaranjan, Neves, Rui, Myroniuk, Viktor, Karner, Mathias, Fritz, Steffen“…We launched a crowdsourcing campaign using Geo-Wiki (https://www.geo-wiki.org/) to visually interpret this sample set for built-up surfaces using very high-resolution satellite images as a source of reference data for labelling the samples, with a minimum of five validations per sample location. …”
Publicado 2022
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4por Lesiv, Myroslava, Schepaschenko, Dmitry, Buchhorn, Marcel, See, Linda, Dürauer, Martina, Georgieva, Ivelina, Jung, Martin, Hofhansl, Florian, Schulze, Katharina, Bilous, Andrii, Blyshchyk, Volodymyr, Mukhortova, Liudmila, Brenes, Carlos Luis Muñoz, Krivobokov, Leonid, Ntie, Stephan, Tsogt, Khongor, Pietsch, Stephan Alexander, Tikhonova, Elena, Kim, Moonil, Di Fulvio, Fulvio, Su, Yuan-Fong, Zadorozhniuk, Roma, Sirbu, Flavius Sorin, Panging, Kripal, Bilous, Svitlana, Kovalevskii, Sergii B., Kraxner, Florian, Rabia, Ahmed Harb, Vasylyshyn, Roman, Ahmed, Rekib, Diachuk, Petro, Kovalevskyi, Serhii S., Bungnamei, Khangsembou, Bordoloi, Kusumbor, Churilov, Andrii, Vasylyshyn, Olesia, Sahariah, Dhrubajyoti, Tertyshnyi, Anatolii P., Saikia, Anup, Malek, Žiga, Singha, Kuleswar, Feshchenko, Roman, Prestele, Reinhard, Akhtar, Ibrar ul Hassan, Sharma, Kiran, Domashovets, Galyna, Spawn-Lee, Seth A., Blyshchyk, Oleksii, Slyva, Oleksandr, Ilkiv, Mariia, Melnyk, Oleksandr, Sliusarchuk, Vitalii, Karpuk, Anatolii, Terentiev, Andrii, Bilous, Valentin, Blyshchyk, Kateryna, Bilous, Maxim, Bogovyk, Nataliia, Blyshchyk, Ivan, Bartalev, Sergey, Yatskov, Mikhail, Smets, Bruno, Visconti, Piero, Mccallum, Ian, Obersteiner, Michael, Fritz, Steffen“…We developed the reference dataset of 226 K unique locations through a series of expert and crowdsourcing campaigns using Geo-Wiki (https://www.geo-wiki.org/). We then combined the reference samples with time series from PROBA-V satellite imagery to create a global wall-to-wall map of forest management at a 100 m resolution for the year 2015, with forest management class accuracies ranging from 58% to 80%. …”
Publicado 2022
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5por Laso Bayas, Juan Carlos, See, Linda, Perger, Christoph, Justice, Christina, Nakalembe, Catherine, Dempewolf, Jan, Fritz, Steffen“…In this paper we validate three recent global products (ESA-CCI, GlobeLand30, FROM-GC) and one regional product (Tanzania Land Cover 2010 Scheme II) using a validation data set that was collected by students through the Geo-Wiki tool. The ultimate aim was to understand the usefulness of these products for agricultural monitoring. …”
Publicado 2017
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6por See, Linda, Comber, Alexis, Salk, Carl, Fritz, Steffen, van der Velde, Marijn, Perger, Christoph, Schill, Christian, McCallum, Ian, Kraxner, Florian, Obersteiner, Michael“…This paper examined crowdsourced data from the Geo-Wiki crowdsourcing tool for land cover validation to determine whether there were significant differences in quality between the answers provided by experts and non-experts in the domain of remote sensing and therefore the extent to which crowdsourced data describing human impact and land cover can be used in further scientific research. …”
Publicado 2013
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7por Fritz, Steffen, See, Linda, Perger, Christoph, McCallum, Ian, Schill, Christian, Schepaschenko, Dmitry, Duerauer, Martina, Karner, Mathias, Dresel, Christopher, Laso-Bayas, Juan-Carlos, Lesiv, Myroslava, Moorthy, Inian, Salk, Carl F., Danylo, Olha, Sturn, Tobias, Albrecht, Franziska, You, Liangzhi, Kraxner, Florian, Obersteiner, Michael“…Here we describe the global land cover and land use reference data derived from the Geo-Wiki crowdsourcing platform via four campaigns. These global datasets provide information on human impact, land cover disagreement, wilderness and land cover and land use. …”
Publicado 2017
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8por Lesiv, Myroslava, Laso Bayas, Juan Carlos, See, Linda, Duerauer, Martina, Dahlia, Domian, Durando, Neal, Hazarika, Rubul, Kumar Sahariah, Parag, Vakolyuk, Mar'yana, Blyshchyk, Volodymyr, Bilous, Andrii, Perez‐Hoyos, Ana, Gengler, Sarah, Prestele, Reinhard, Bilous, Svitlana, Akhtar, Ibrar ul Hassan, Singha, Kuleswar, Choudhury, Sochin Boro, Chetri, Tilok, Malek, Žiga, Bungnamei, Khangsembou, Saikia, Anup, Sahariah, Dhrubajyoti, Narzary, William, Danylo, Olha, Sturn, Tobias, Karner, Mathias, McCallum, Ian, Schepaschenko, Dmitry, Moltchanova, Elena, Fraisl, Dilek, Moorthy, Inian, Fritz, Steffen“…A campaign was run in June 2017, where participants were asked to visually interpret very high resolution satellite imagery from Google Maps and Bing using the Geo‐Wiki application. During the campaign, participants collected field size data for 130 K unique locations around the globe. …”
Publicado 2018
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