Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1984839778', 'doi': 'https://doi.org/10.1016/s0034-4257(00)00101-2', 'title': 'Local Maximum Filtering for the Extraction of Tree Locations and Basal Area from High Spatial Resolution Imagery', 'display_name': 'Local Maximum Filtering for the Extraction of Tree Locations and Basal Area from High Spatial Resolution Imagery', 'publication_year': 2000, 'publication_date': '2000-07-01', 'ids': {'openalex': 'https://openalex.org/W1984839778', 'doi': 'https://doi.org/10.1016/s0034-4257(00)00101-2', 'mag': '1984839778'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0034-4257(00)00101-2', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S141808269', 'display_name': 'Remote Sensing of Environment', 'issn_l': '0034-4257', 'issn': ['0034-4257', '1879-0704'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5051219165', 'display_name': 'Michael A. Wulder', 'orcid': 'https://orcid.org/0000-0002-6942-1896'}, 'institutions': [{'id': 'https://openalex.org/I1281735042', 'display_name': 'Natural Resources Canada', 'ror': 'https://ror.org/05hepy730', 'country_code': 'CA', 'type': 'government', 'lineage': ['https://openalex.org/I1281735042', 'https://openalex.org/I2802286613']}, {'id': 'https://openalex.org/I1280367701', 'display_name': 'Canadian Forest Service', 'ror': 'https://ror.org/0430zw506', 'country_code': 'CA', 'type': 'government', 'lineage': ['https://openalex.org/I1280367701', 'https://openalex.org/I1281735042', 'https://openalex.org/I2802286613']}, {'id': 'https://openalex.org/I212119943', 'display_name': 'University of Victoria', 'ror': 'https://ror.org/04s5mat29', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I212119943']}], 'countries': ['CA'], 'is_corresponding': True, 'raw_author_name': 'Mike Wulder', 'raw_affiliation_strings': ['Pacific Forestry Centre, Canadian Forest Service, Natural Resources Canada, Victoria, BC, Canada', 'University of Victoria, Department of Geography, Victoria, BC, Canada'], 'affiliations': [{'raw_affiliation_string': 'Pacific Forestry Centre, Canadian Forest Service, Natural Resources Canada, Victoria, BC, Canada', 'institution_ids': ['https://openalex.org/I1281735042', 'https://openalex.org/I1280367701']}, {'raw_affiliation_string': 'University of Victoria, Department of Geography, Victoria, BC, Canada', 'institution_ids': ['https://openalex.org/I212119943']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111423745', 'display_name': 'K. Olaf Niemann', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I212119943', 'display_name': 'University of Victoria', 'ror': 'https://ror.org/04s5mat29', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I212119943']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'K.Olaf Niemann', 'raw_affiliation_strings': ['University of Victoria, Department of Geography, Victoria, BC, Canada'], 'affiliations': [{'raw_affiliation_string': 'University of Victoria, Department of Geography, Victoria, BC, Canada', 'institution_ids': ['https://openalex.org/I212119943']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5089852186', 'display_name': 'D.G. Goodenough', 'orcid': 'https://orcid.org/0000-0002-8459-7144'}, 'institutions': [{'id': 'https://openalex.org/I212119943', 'display_name': 'University of Victoria', 'ror': 'https://ror.org/04s5mat29', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I212119943']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'David G. Goodenough', 'raw_affiliation_strings': ['University of Victoria, Department of Computer Science, Victoria, BC, Canada', 'University of Victoria, Department of Geography, Victoria, BC, Canada'], 'affiliations': [{'raw_affiliation_string': 'University of Victoria, Department of Geography, Victoria, BC, Canada', 'institution_ids': ['https://openalex.org/I212119943']}, {'raw_affiliation_string': 'University of Victoria, Department of Computer Science, Victoria, BC, Canada', 'institution_ids': ['https://openalex.org/I212119943']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': ['https://openalex.org/A5051219165'], 'corresponding_institution_ids': ['https://openalex.org/I1281735042', 'https://openalex.org/I1280367701', 'https://openalex.org/I212119943'], 'apc_list': {'value': 4070, 'currency': 'USD', 'value_usd': 4070, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 12.993, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 389, 'citation_normalized_percentile': {'value': 0.964066, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '73', 'issue': '1', 'first_page': '103', 'last_page': '114'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11164', 'display_name': 'Remote Sensing and LiDAR Applications', 'score': 0.9996, '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'}}, 'topics': [{'id': 'https://openalex.org/T11164', 'display_name': 'Remote Sensing and LiDAR Applications', 'score': 0.9996, '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/T10111', 'display_name': 'Remote Sensing in Agriculture', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2303', 'display_name': 'Ecology'}, '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/T11880', 'display_name': 'Forest ecology and management', 'score': 0.9973, 'subfield': {'id': 'https://openalex.org/subfields/2309', 'display_name': 'Nature and Landscape Conservation'}, '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/tree', 'display_name': 'Tree (set theory)', 'score': 0.6423242}, {'id': 'https://openalex.org/keywords/basal-area', 'display_name': 'Basal area', 'score': 0.48569235}], 'concepts': [{'id': 'https://openalex.org/C113174947', 'wikidata': 'https://www.wikidata.org/wiki/Q2859736', 'display_name': 'Tree (set theory)', 'level': 2, 'score': 0.6423242}, {'id': 'https://openalex.org/C2778400979', 'wikidata': 'https://www.wikidata.org/wiki/Q143720', 'display_name': 'Crown (dentistry)', 'level': 2, 'score': 0.57398856}, {'id': 'https://openalex.org/C205372480', 'wikidata': 'https://www.wikidata.org/wiki/Q210521', 'display_name': 'Image resolution', 'level': 2, 'score': 0.534645}, {'id': 'https://openalex.org/C91354502', 'wikidata': 'https://www.wikidata.org/wiki/Q830384', 'display_name': 'Basal area', 'level': 2, 'score': 0.48569235}, {'id': 'https://openalex.org/C160633673', 'wikidata': 'https://www.wikidata.org/wiki/Q355198', 'display_name': 'Pixel', 'level': 2, 'score': 0.48515755}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.43144593}, {'id': 'https://openalex.org/C159620131', 'wikidata': 'https://www.wikidata.org/wiki/Q1938983', 'display_name': 'Spatial analysis', 'level': 2, 'score': 0.41010067}, {'id': 'https://openalex.org/C62649853', 'wikidata': 'https://www.wikidata.org/wiki/Q199687', 'display_name': 'Remote sensing', 'level': 1, 'score': 0.4085187}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.38078707}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.30663836}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.28316522}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.1600849}, {'id': 'https://openalex.org/C97137747', 'wikidata': 'https://www.wikidata.org/wiki/Q38112', 'display_name': 'Forestry', 'level': 1, 'score': 0.11640686}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C199343813', 'wikidata': 'https://www.wikidata.org/wiki/Q12128', 'display_name': 'Dentistry', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0034-4257(00)00101-2', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S141808269', 'display_name': 'Remote Sensing of Environment', 'issn_l': '0034-4257', 'issn': ['0034-4257', '1879-0704'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 17, 'referenced_works': ['https://openalex.org/W2001232772', 'https://openalex.org/W2020017172', 'https://openalex.org/W2024697317', 'https://openalex.org/W2031456617', 'https://openalex.org/W2044359639', 'https://openalex.org/W2049233123', 'https://openalex.org/W2050507270', 'https://openalex.org/W2060732314', 'https://openalex.org/W2092698241', 'https://openalex.org/W2094735994', 'https://openalex.org/W2107998917', 'https://openalex.org/W2117499165', 'https://openalex.org/W2126994764', 'https://openalex.org/W2152660071', 'https://openalex.org/W2157688009', 'https://openalex.org/W2460997676', 'https://openalex.org/W4285719527'], 'related_works': ['https://openalex.org/W848322843', 'https://openalex.org/W4378191806', 'https://openalex.org/W4289655544', 'https://openalex.org/W3103111272', 'https://openalex.org/W2771885528', 'https://openalex.org/W2547665164', 'https://openalex.org/W2498582295', 'https://openalex.org/W2079889011', 'https://openalex.org/W2044092692', 'https://openalex.org/W2019711636'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1984839778', 'counts_by_year': [{'year': 2024, 'cited_by_count': 14}, {'year': 2023, 'cited_by_count': 14}, {'year': 2022, 'cited_by_count': 19}, {'year': 2021, 'cited_by_count': 14}, {'year': 2020, 'cited_by_count': 20}, {'year': 2019, 'cited_by_count': 14}, {'year': 2018, 'cited_by_count': 20}, {'year': 2017, 'cited_by_count': 11}, {'year': 2016, 'cited_by_count': 25}, {'year': 2015, 'cited_by_count': 15}, {'year': 2014, 'cited_by_count': 23}, {'year': 2013, 'cited_by_count': 10}, {'year': 2012, 'cited_by_count': 16}], 'updated_date': '2024-12-14T06:44:50.861230', 'created_date': '2016-06-24'}