{"id":"https://openalex.org/W3205147550","doi":"https://doi.org/10.1109/igarss47720.2021.9555075","title":"Shadow Cast Tracking for Deduction of Elevation Data Through Affine Matching Methods on Optical Satellite Imagery","display_name":"Shadow Cast Tracking for Deduction of Elevation Data Through Affine Matching Methods on Optical Satellite Imagery","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3205147550","doi":"https://doi.org/10.1109/igarss47720.2021.9555075","mag":"3205147550"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9555075","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9555075","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","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/A5008813576","display_name":"Bas Altena","orcid":"https://orcid.org/0000-0001-9025-0326"},"institutions":[{"id":"https://openalex.org/I193662353","display_name":"Utrecht University","ror":"https://ror.org/04pp8hn57","country_code":"NL","type":"education","lineage":["https://openalex.org/I193662353"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Bas Altena","raw_affiliation_strings":["Institute for Marine and Atmospheric Research, Utrecht University, the Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Marine and Atmospheric Research, Utrecht University, the Netherlands","institution_ids":["https://openalex.org/I193662353"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035230077","display_name":"Bert Wouters","orcid":"https://orcid.org/0000-0002-1086-2435"},"institutions":[{"id":"https://openalex.org/I193662353","display_name":"Utrecht University","ror":"https://ror.org/04pp8hn57","country_code":"NL","type":"education","lineage":["https://openalex.org/I193662353"]},{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Bert Wouters","raw_affiliation_strings":["Delft University of Technology, the Netherlands","Institute for Marine and Atmospheric Research, Utrecht University, the Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Delft University of Technology, the Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"Institute for Marine and Atmospheric Research, Utrecht University, the Netherlands","institution_ids":["https://openalex.org/I193662353"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17281441,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"5623","last_page":"5626"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12983","display_name":"Satellite Image Processing and Photogrammetry","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T12983","display_name":"Satellite Image Processing and Photogrammetry","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10531","display_name":"Advanced Vision and Imaging","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9957000017166138,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/shadow","display_name":"Shadow (psychology)","score":0.6962147355079651},{"id":"https://openalex.org/keywords/elevation","display_name":"Elevation (ballistics)","score":0.6641016006469727},{"id":"https://openalex.org/keywords/affine-transformation","display_name":"Affine transformation","score":0.5771318674087524},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.5727330446243286},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5332605242729187},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5313209891319275},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.5200417041778564},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5167462229728699},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.516177237033844},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.49081477522850037},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4485281705856323},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4316590428352356},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.4100556969642639},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.26187142729759216},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24909427762031555},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.19030001759529114},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08717799186706543},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.08456793427467346}],"concepts":[{"id":"https://openalex.org/C117797892","wikidata":"https://www.wikidata.org/wiki/Q286363","display_name":"Shadow (psychology)","level":2,"score":0.6962147355079651},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.6641016006469727},{"id":"https://openalex.org/C92757383","wikidata":"https://www.wikidata.org/wiki/Q382497","display_name":"Affine transformation","level":2,"score":0.5771318674087524},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5727330446243286},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5332605242729187},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5313209891319275},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.5200417041778564},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5167462229728699},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.516177237033844},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.49081477522850037},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4485281705856323},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4316590428352356},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.4100556969642639},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.26187142729759216},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24909427762031555},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.19030001759529114},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08717799186706543},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.08456793427467346},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9555075","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9555075","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3556832064","display_name":"Eratosthenes - chasing shadows to investigate glacier change worldwide","funder_award_id":"ALWGO.2018.044","funder_id":"https://openalex.org/F4320321800","funder_display_name":"Nederlandse Organisatie voor Wetenschappelijk Onderzoek"},{"id":"https://openalex.org/G5641378446","display_name":null,"funder_award_id":"ALWGO.2018.044","funder_id":"https://openalex.org/F4320321647","funder_display_name":"Netherlands Space Office"}],"funders":[{"id":"https://openalex.org/F4320321647","display_name":"Netherlands Space Office","ror":"https://ror.org/01vb6q136"},{"id":"https://openalex.org/F4320321800","display_name":"Nederlandse Organisatie voor Wetenschappelijk Onderzoek","ror":"https://ror.org/04jsz6e67"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1972541957","https://openalex.org/W2010888920","https://openalex.org/W2032098896","https://openalex.org/W2096355125","https://openalex.org/W2125470493","https://openalex.org/W2131372145","https://openalex.org/W2136831404","https://openalex.org/W2146733066","https://openalex.org/W2973247625","https://openalex.org/W6681658146"],"related_works":["https://openalex.org/W1992962589","https://openalex.org/W3032871857","https://openalex.org/W1743191351","https://openalex.org/W3104633800","https://openalex.org/W3023567978","https://openalex.org/W3044778482","https://openalex.org/W3040494141","https://openalex.org/W4384026392","https://openalex.org/W2383666613","https://openalex.org/W4386906247"],"abstract_inverted_index":{"Cast":[0],"shadow":[1,23,45,99],"from":[2],"mountain":[3,102],"ridges":[4,24],"can":[5,14,25,47],"be":[6,26,48],"tracked":[7],"over":[8],"time.":[9],"Through":[10],"simple":[11,71],"trigonometry":[12],"this":[13,78],"give":[15],"a":[16,64],"clue":[17],"about":[18],"relative":[19],"elevation":[20],"change.":[21],"These":[22],"easily":[27],"identified":[28],"in":[29,40,58,63,86],"multi":[30],"-spectral":[31],"satellite":[32],"imagery":[33],"as":[34],"they":[35],"are":[36,75],"strong":[37],"illumination":[38],"changes":[39,57],"all":[41],"spectral":[42],"bands.":[43],"Following":[44],"cast":[46,100],"more":[49],"complicated,":[50],"due":[51],"to":[52,93],"different":[53],"sun":[54],"angles":[55],"and":[56,90],"terrain":[59],"slope.":[60],"This":[61],"results":[62],"deformed":[65],"appearance,":[66],"which":[67],"complicate":[68],"tracking":[69],"when":[70],"pattern":[72],"matching":[73,84,96],"techniques":[74],"used.":[76],"In":[77],"contribution":[79],"we":[80],"explore":[81],"two":[82],"affine":[83],"methods":[85],"both":[87],"the":[88,95],"spatial":[89],"frequency":[91],"domain,":[92],"increase":[94],"success":[97],"of":[98],"on":[101],"glaciers.":[103]},"counts_by_year":[],"updated_date":"2026-06-22T08:00:12.763002","created_date":"2025-10-10T00:00:00"}
