{"id":"https://openalex.org/W3131145567","doi":"https://doi.org/10.1109/igarss39084.2020.9323623","title":"Seasonal Change Analysis for ALOS-2 PALSAR-2 Deforestation Detection","display_name":"Seasonal Change Analysis for ALOS-2 PALSAR-2 Deforestation Detection","publication_year":2020,"publication_date":"2020-09-26","ids":{"openalex":"https://openalex.org/W3131145567","doi":"https://doi.org/10.1109/igarss39084.2020.9323623","mag":"3131145567"},"language":"en","primary_location":{"id":"doi:10.1109/igarss39084.2020.9323623","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss39084.2020.9323623","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078679001","display_name":"Izumi Nagatani","orcid":"https://orcid.org/0000-0003-0638-7464"},"institutions":[{"id":"https://openalex.org/I2800865746","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Izumi Nagatani","raw_affiliation_strings":["Japan Aerospace Exploration Agency JAXA"],"affiliations":[{"raw_affiliation_string":"Japan Aerospace Exploration Agency JAXA","institution_ids":["https://openalex.org/I2800865746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009434881","display_name":"Masato Hayashi","orcid":"https://orcid.org/0000-0001-6120-9180"},"institutions":[{"id":"https://openalex.org/I2800865746","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masato Hayashi","raw_affiliation_strings":["Japan Aerospace Exploration Agency JAXA"],"affiliations":[{"raw_affiliation_string":"Japan Aerospace Exploration Agency JAXA","institution_ids":["https://openalex.org/I2800865746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101986414","display_name":"Manabu Watanabe","orcid":"https://orcid.org/0000-0002-1130-9420"},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Manabu Watanabe","raw_affiliation_strings":["Tokyo Denki University"],"affiliations":[{"raw_affiliation_string":"Tokyo Denki University","institution_ids":["https://openalex.org/I165522056"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003863167","display_name":"Takeo Tadono","orcid":"https://orcid.org/0000-0003-4313-5645"},"institutions":[{"id":"https://openalex.org/I2800865746","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeo Tadono","raw_affiliation_strings":["Japan Aerospace Exploration Agency JAXA"],"affiliations":[{"raw_affiliation_string":"Japan Aerospace Exploration Agency JAXA","institution_ids":["https://openalex.org/I2800865746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102628160","display_name":"Tomohiro Watanabe","orcid":"https://orcid.org/0000-0001-7781-6305"},"institutions":[{"id":"https://openalex.org/I2800865746","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomohiro Watanabe","raw_affiliation_strings":["Japan Aerospace Exploration Agency JAXA"],"affiliations":[{"raw_affiliation_string":"Japan Aerospace Exploration Agency JAXA","institution_ids":["https://openalex.org/I2800865746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047611948","display_name":"Christian N. Koyama","orcid":"https://orcid.org/0000-0003-3469-9764"},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Christian Koyama","raw_affiliation_strings":["Tokyo Denki University"],"affiliations":[{"raw_affiliation_string":"Tokyo Denki University","institution_ids":["https://openalex.org/I165522056"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016225372","display_name":"Masanobu Shimada","orcid":"https://orcid.org/0000-0001-8981-6679"},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masanobu Shimada","raw_affiliation_strings":["Tokyo Denki University"],"affiliations":[{"raw_affiliation_string":"Tokyo Denki University","institution_ids":["https://openalex.org/I165522056"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5078679001"],"corresponding_institution_ids":["https://openalex.org/I2800865746"],"apc_list":null,"apc_paid":null,"fwci":0.6903,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.80078662,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"3807","last_page":"3810"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10535","display_name":"Landslides and related hazards","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/change-detection","display_name":"Change detection","score":0.6592108011245728},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6198756098747253},{"id":"https://openalex.org/keywords/deforestation","display_name":"Deforestation (computer science)","score":0.5658887624740601},{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.5319569110870361},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4448930621147156},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.4380667209625244},{"id":"https://openalex.org/keywords/time-series","display_name":"Time series","score":0.42011603713035583},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39994850754737854},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.21994328498840332},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17768463492393494},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.1390756368637085}],"concepts":[{"id":"https://openalex.org/C203595873","wikidata":"https://www.wikidata.org/wiki/Q25389927","display_name":"Change detection","level":2,"score":0.6592108011245728},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6198756098747253},{"id":"https://openalex.org/C2777399953","wikidata":"https://www.wikidata.org/wiki/Q2155658","display_name":"Deforestation (computer science)","level":2,"score":0.5658887624740601},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.5319569110870361},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4448930621147156},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.4380667209625244},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.42011603713035583},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39994850754737854},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.21994328498840332},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17768463492393494},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.1390756368637085},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss39084.2020.9323623","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss39084.2020.9323623","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life in Land","score":0.7400000095367432,"id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322716","display_name":"Japan International Cooperation Agency","ror":"https://ror.org/022es3t03"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2009823861","https://openalex.org/W2773999171","https://openalex.org/W2901771043","https://openalex.org/W2972395751"],"related_works":["https://openalex.org/W2953058328","https://openalex.org/W1542224353","https://openalex.org/W1661087619","https://openalex.org/W2750730210","https://openalex.org/W2116854923","https://openalex.org/W2236974868","https://openalex.org/W4312766348","https://openalex.org/W2730764323","https://openalex.org/W2164995725","https://openalex.org/W3205829146"],"abstract_inverted_index":{"JICA":[0],"and":[1,14,25,39,77,80],"JAXA":[2],"have":[3],"operated":[4],"a":[5,59],"tropical":[6],"forest":[7,23,91],"early":[8],"warning":[9],"system":[10,18],"(JJ-FAST)":[11],"since":[12],"2016":[13],"ALOS-2":[15],"L-band":[16],"SAR":[17,37],"(PALSAR-2/ScanSAR)":[19],"is":[20,42,54],"used":[21],"for":[22],"monitoring":[24],"deforestation":[26],"detection.":[27],"There":[28],"are":[29],"many":[30],"factors":[31],"to":[32,102],"cause":[33],"commission":[34,49],"errors":[35],"in":[36],"image":[38],"ground":[40],"moisture":[41],"one":[43],"of":[44,71,90,98],"them.":[45],"To":[46],"reduce":[47],"such":[48],"errors,":[50],"seasonal":[51],"change":[52,92],"analysis":[53,61,82],"effective.":[55],"In":[56],"this":[57],"study,":[58],"time-series":[60,81],"method":[62,70,101],"using":[63,83],"Savitzky-Golay":[64],"(SG)":[65],"filtering":[66,74],"was":[67,85,94],"developed.":[68],"The":[69,88],"speckle":[72],"noise":[73],"by":[75],"frost":[76],"2-step":[78],"thresholding":[79],"SG":[84],"good":[86],"method.":[87],"accuracy":[89],"detection":[93],"improved":[95],"from":[96],"19%":[97],"the":[99],"threshold":[100],"80%.":[103]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
