Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W4283773090', 'doi': 'https://doi.org/10.23919/eusipco55093.2022.9909821', 'title': 'Fast off-the-grid sparse recovery with over-parametrized projected gradient descent', 'display_name': 'Fast off-the-grid sparse recovery with over-parametrized projected gradient descent', 'publication_year': 2022, 'publication_date': '2022-08-29', 'ids': {'openalex': 'https://openalex.org/W4283773090', 'doi': 'https://doi.org/10.23919/eusipco55093.2022.9909821'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.23919/eusipco55093.2022.9909821', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4363607854', 'display_name': '2021 29th European Signal Processing Conference (EUSIPCO)', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'conference'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'proceedings-article', 'indexed_in': ['arxiv', 'crossref', 'datacite'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://hal.science/hal-03590939/document', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5047720447', 'display_name': 'Pierre-Jean Bénard', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210160189', 'display_name': 'Institut Polytechnique de Bordeaux', 'ror': 'https://ror.org/054qv7y42', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I4210160189']}, {'id': 'https://openalex.org/I15057530', 'display_name': 'Université de Bordeaux', 'ror': 'https://ror.org/057qpr032', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I15057530']}, {'id': 'https://openalex.org/I1294671590', 'display_name': 'Centre National de la Recherche Scientifique', 'ror': 'https://ror.org/02feahw73', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I1294671590']}, {'id': 'https://openalex.org/I4210166017', 'display_name': 'Institut de Mathématiques de Bordeaux', 'ror': 'https://ror.org/05m3r1b84', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I1326498283', 'https://openalex.org/I15057530', 'https://openalex.org/I4210141950', 'https://openalex.org/I4210160189', 'https://openalex.org/I4210166017']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Pierre-Jean Benard', 'raw_affiliation_strings': ['Univ. Bordeaux,Bordeaux INP, CNRS, IMB, UMR 5251,Talence,France,F-33400'], 'affiliations': [{'raw_affiliation_string': 'Univ. Bordeaux,Bordeaux INP, CNRS, IMB, UMR 5251,Talence,France,F-33400', 'institution_ids': ['https://openalex.org/I4210160189', 'https://openalex.org/I15057530', 'https://openalex.org/I1294671590', 'https://openalex.org/I4210166017']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5057566188', 'display_name': 'Yann Traonmilin', 'orcid': 'https://orcid.org/0000-0003-1826-4760'}, 'institutions': [{'id': 'https://openalex.org/I4210160189', 'display_name': 'Institut Polytechnique de Bordeaux', 'ror': 'https://ror.org/054qv7y42', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I4210160189']}, {'id': 'https://openalex.org/I15057530', 'display_name': 'Université de Bordeaux', 'ror': 'https://ror.org/057qpr032', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I15057530']}, {'id': 'https://openalex.org/I1294671590', 'display_name': 'Centre National de la Recherche Scientifique', 'ror': 'https://ror.org/02feahw73', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I1294671590']}, {'id': 'https://openalex.org/I4210166017', 'display_name': 'Institut de Mathématiques de Bordeaux', 'ror': 'https://ror.org/05m3r1b84', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I1326498283', 'https://openalex.org/I15057530', 'https://openalex.org/I4210141950', 'https://openalex.org/I4210160189', 'https://openalex.org/I4210166017']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Yann Traonmilin', 'raw_affiliation_strings': ['Univ. Bordeaux,Bordeaux INP, CNRS, IMB, UMR 5251,Talence,France,F-33400'], 'affiliations': [{'raw_affiliation_string': 'Univ. Bordeaux,Bordeaux INP, CNRS, IMB, UMR 5251,Talence,France,F-33400', 'institution_ids': ['https://openalex.org/I4210160189', 'https://openalex.org/I15057530', 'https://openalex.org/I1294671590', 'https://openalex.org/I4210166017']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5055550697', 'display_name': 'Jean–François Aujol', 'orcid': 'https://orcid.org/0000-0001-6716-0509'}, 'institutions': [{'id': 'https://openalex.org/I4210166017', 'display_name': 'Institut de Mathématiques de Bordeaux', 'ror': 'https://ror.org/05m3r1b84', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I1326498283', 'https://openalex.org/I15057530', 'https://openalex.org/I4210141950', 'https://openalex.org/I4210160189', 'https://openalex.org/I4210166017']}, {'id': 'https://openalex.org/I15057530', 'display_name': 'Université de Bordeaux', 'ror': 'https://ror.org/057qpr032', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I15057530']}, {'id': 'https://openalex.org/I1294671590', 'display_name': 'Centre National de la Recherche Scientifique', 'ror': 'https://ror.org/02feahw73', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I1294671590']}, {'id': 'https://openalex.org/I4210160189', 'display_name': 'Institut Polytechnique de Bordeaux', 'ror': 'https://ror.org/054qv7y42', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I4210160189']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Jean-Francois Aujol', 'raw_affiliation_strings': ['Univ. Bordeaux,Bordeaux INP, CNRS, IMB, UMR 5251,Talence,France,F-33400'], 'affiliations': [{'raw_affiliation_string': 'Univ. Bordeaux,Bordeaux INP, CNRS, IMB, UMR 5251,Talence,France,F-33400', 'institution_ids': ['https://openalex.org/I4210166017', 'https://openalex.org/I15057530', 'https://openalex.org/I1294671590', 'https://openalex.org/I4210160189']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 13.44, 'has_fulltext': False, 'cited_by_count': 4, 'citation_normalized_percentile': {'value': 0.988166, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 80, 'max': 83}, 'biblio': {'volume': None, 'issue': None, 'first_page': '2206', 'last_page': '2210'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11996', 'display_name': 'Random lasers and scattering media', 'score': 0.9998, 'subfield': {'id': 'https://openalex.org/subfields/3102', 'display_name': 'Acoustics and Ultrasonics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11996', 'display_name': 'Random lasers and scattering media', 'score': 0.9998, 'subfield': {'id': 'https://openalex.org/subfields/3102', 'display_name': 'Acoustics and Ultrasonics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10500', 'display_name': 'Sparse and Compressive Sensing Techniques', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2206', 'display_name': 'Computational Mechanics'}, '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/T12153', 'display_name': 'Advanced Optical Sensing Technologies', 'score': 0.9979, 'subfield': {'id': 'https://openalex.org/subfields/3105', 'display_name': 'Instrumentation'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/initialization', 'display_name': 'Initialization', 'score': 0.9441047}, {'id': 'https://openalex.org/keywords/descent', 'display_name': 'Descent (aeronautics)', 'score': 0.5476741}], 'concepts': [{'id': 'https://openalex.org/C114466953', 'wikidata': 'https://www.wikidata.org/wiki/Q6034165', 'display_name': 'Initialization', 'level': 2, 'score': 0.9441047}, {'id': 'https://openalex.org/C156872377', 'wikidata': 'https://www.wikidata.org/wiki/Q6786281', 'display_name': 'Matching pursuit', 'level': 3, 'score': 0.88900506}, {'id': 'https://openalex.org/C153258448', 'wikidata': 'https://www.wikidata.org/wiki/Q1199743', 'display_name': 'Gradient descent', 'level': 3, 'score': 0.7804377}, {'id': 'https://openalex.org/C187691185', 'wikidata': 'https://www.wikidata.org/wiki/Q2020720', 'display_name': 'Grid', 'level': 2, 'score': 0.7150403}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.6760025}, {'id': 'https://openalex.org/C11413529', 'wikidata': 'https://www.wikidata.org/wiki/Q8366', 'display_name': 'Algorithm', 'level': 1, 'score': 0.5724124}, {'id': 'https://openalex.org/C2776637919', 'wikidata': 'https://www.wikidata.org/wiki/Q624380', 'display_name': 'Descent (aeronautics)', 'level': 2, 'score': 0.5476741}, {'id': 'https://openalex.org/C165064840', 'wikidata': 'https://www.wikidata.org/wiki/Q1321061', 'display_name': 'Matching (statistics)', 'level': 2, 'score': 0.5317012}, {'id': 'https://openalex.org/C126255220', 'wikidata': 'https://www.wikidata.org/wiki/Q141495', 'display_name': 'Mathematical optimization', 'level': 1, 'score': 0.41214332}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.23340231}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.22626966}, {'id': 'https://openalex.org/C124851039', 'wikidata': 'https://www.wikidata.org/wiki/Q2665459', 'display_name': 'Compressed sensing', 'level': 2, 'score': 0.11193606}, {'id': 'https://openalex.org/C50644808', 'wikidata': 'https://www.wikidata.org/wiki/Q192776', 'display_name': 'Artificial neural network', 'level': 2, 'score': 0.08483487}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.06481856}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', '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}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C146978453', 'wikidata': 'https://www.wikidata.org/wiki/Q3798668', 'display_name': 'Aerospace engineering', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 8, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.23919/eusipco55093.2022.9909821', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4363607854', 'display_name': '2021 29th European Signal Processing Conference (EUSIPCO)', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'conference'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.science/hal-03590939', 'pdf_url': 'https://hal.science/hal-03590939/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/2202.13757', 'pdf_url': 'https://arxiv.org/pdf/2202.13757', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.inria.fr/hal-03590939/document', 'pdf_url': 'https://hal.inria.fr/hal-03590939/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.inria.fr/hal-03590939/file/main.pdf', 'pdf_url': 'https://hal.inria.fr/hal-03590939/file/main.pdf', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.science/hal-03590939v2/file/main.pdf', 'pdf_url': 'https://hal.science/hal-03590939v2/file/main.pdf', 'source': None, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.science/hal-03590939v2/document', 'pdf_url': 'https://hal.science/hal-03590939v2/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://api.datacite.org/dois/10.48550/arxiv.2202.13757', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4393179698', 'display_name': 'DataCite API', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I4210145204', 'host_organization_name': 'DataCite', 'host_organization_lineage': ['https://openalex.org/I4210145204'], 'host_organization_lineage_names': ['DataCite'], 'type': 'metadata'}, 'license': None, 'license_id': None, 'version': None}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://hal.science/hal-03590939', 'pdf_url': 'https://hal.science/hal-03590939/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, 'sustainable_development_goals': [], 'grants': [{'funder': 'https://openalex.org/F4320320883', 'funder_display_name': 'Agence Nationale de la Recherche', 'award_id': 'ANR-20-CE40-0001'}], 'datasets': [], 'versions': [], 'referenced_works_count': 18, 'referenced_works': ['https://openalex.org/W2116148865', 'https://openalex.org/W2116680824', 'https://openalex.org/W2127271355', 'https://openalex.org/W2128659236', 'https://openalex.org/W2151693816', 'https://openalex.org/W2163985581', 'https://openalex.org/W2540307294', 'https://openalex.org/W2613260603', 'https://openalex.org/W2922239869', 'https://openalex.org/W2939914314', 'https://openalex.org/W2962691586', 'https://openalex.org/W2964121507', 'https://openalex.org/W2964325628', 'https://openalex.org/W2990604797', 'https://openalex.org/W3003698312', 'https://openalex.org/W3127767495', 'https://openalex.org/W4213407254', 'https://openalex.org/W4226175755'], 'related_works': ['https://openalex.org/W4309434778', 'https://openalex.org/W4283773090', 'https://openalex.org/W4226299596', 'https://openalex.org/W3214759249', 'https://openalex.org/W3204184292', 'https://openalex.org/W2984511682', 'https://openalex.org/W2785927776', 'https://openalex.org/W2073241848', 'https://openalex.org/W2042644197', 'https://openalex.org/W2015288657'], 'abstract_inverted_index': {'We': [0], 'consider': [1], 'the': [2, 27, 34, 81], 'problem': [3], 'of': [4, 36, 80], 'recovering': [5], 'off-the-grid': [6, 77], 'spikes': [7, 25, 37], 'from': [8, 59], 'Fourier': [9], 'measurements.': [10], 'Successful': [11], 'methods': [12], 'such': [13], 'as': [14], 'sliding': [15], 'Frank-Wolfe': [16], 'and': [17, 92], 'continuous': [18, 67], 'orthogonal': [19, 68], 'matching': [20, 69], 'pursuit': [21], '(OMP)': [22], 'iteratively': [23], 'add': [24], 'to': [26, 88], 'solution': [28], 'then': [29], 'perform': [30], 'a': [31, 54, 60], 'costly': [32], '(when': [33], 'number': [35], 'is': [38], 'large)': [39], 'descent': [40, 57], 'on': [41, 84], 'all': [42], 'parameters': [43], 'at': [44], 'each': [45], 'iteration.': [46], 'In': [47, 71], '2D,': [48], 'it': [49], 'was': [50, 64], 'shown': [51], 'that': [52, 86], 'performing': [53], 'projected': [55], 'gradient': [56], '(PGD)': [58], 'gridded': [61], 'over-parametrized': [62, 78], 'initialization': [63, 79], 'faster': [65, 94], 'than': [66], 'pursuit.': [70], 'this': [72], 'paper,': [73], 'we': [74], 'propose': [75], 'an': [76], 'PGD': [82], 'based': [83], 'OMP': [85], 'permits': [87], 'fully': [89], 'avoid': [90], 'grids': [91], 'gives': [93], 'results': [95], 'in': [96], '3D.': [97]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4283773090', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 1}], 'updated_date': '2024-12-13T21:42:35.675998', 'created_date': '2022-07-03'}