Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1988954604', 'doi': 'https://doi.org/10.1002/mrm.20279', 'title': 'Q‐ball imaging', 'display_name': 'Q‐ball imaging', 'publication_year': 2004, 'publication_date': '2004-11-23', 'ids': {'openalex': 'https://openalex.org/W1988954604', 'doi': 'https://doi.org/10.1002/mrm.20279', 'mag': '1988954604', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/15562495'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1002/mrm.20279', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S111160002', 'display_name': 'Magnetic Resonance in Medicine', 'issn_l': '0740-3194', 'issn': ['0740-3194', '1522-2594'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': 'https://doi.org/10.1002/mrm.20279', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5027685710', 'display_name': 'David S. Tuch', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210092658', 'display_name': 'Harvard–MIT Division of Health Sciences and Technology', 'ror': 'https://ror.org/00jjeh629', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I4210092658']}, {'id': 'https://openalex.org/I4210127055', 'display_name': 'Athinoula A. Martinos Center for Biomedical Imaging', 'ror': 'https://ror.org/032q5ym94', 'country_code': 'US', 'type': 'facility', 'lineage': ['https://openalex.org/I136199984', 'https://openalex.org/I4210087915', 'https://openalex.org/I4210127055', 'https://openalex.org/I48633490', 'https://openalex.org/I63966007']}, {'id': 'https://openalex.org/I4210087915', 'display_name': 'Massachusetts General Hospital', 'ror': 'https://ror.org/002pd6e78', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210087915', 'https://openalex.org/I48633490']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'David S. Tuch', 'raw_affiliation_strings': ['Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, NMR Center, Charlestown, Massachusetts', 'Harvard–MIT Division of Health Sciences and Technology, Cambridge, Massachusetts'], 'affiliations': [{'raw_affiliation_string': 'Harvard–MIT Division of Health Sciences and Technology, Cambridge, Massachusetts', 'institution_ids': ['https://openalex.org/I4210092658']}, {'raw_affiliation_string': 'Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, NMR Center, Charlestown, Massachusetts', 'institution_ids': ['https://openalex.org/I4210127055', 'https://openalex.org/I4210087915']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': ['https://openalex.org/A5027685710'], 'corresponding_institution_ids': ['https://openalex.org/I4210092658', 'https://openalex.org/I4210127055', 'https://openalex.org/I4210087915'], 'apc_list': {'value': 3500, 'currency': 'USD', 'value_usd': 3500, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 38.064, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 1841, 'citation_normalized_percentile': {'value': 0.99992, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '52', 'issue': '6', 'first_page': '1358', 'last_page': '1372'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11304', 'display_name': 'Advanced Neuroimaging Techniques and Applications', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2741', 'display_name': 'Radiology, Nuclear Medicine and Imaging'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11304', 'display_name': 'Advanced Neuroimaging Techniques and Applications', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2741', 'display_name': 'Radiology, Nuclear Medicine and Imaging'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10378', 'display_name': 'Advanced MRI Techniques and Applications', 'score': 0.9939, 'subfield': {'id': 'https://openalex.org/subfields/2741', 'display_name': 'Radiology, Nuclear Medicine and Imaging'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T12552', 'display_name': 'Fetal and Pediatric Neurological Disorders', 'score': 0.9839, 'subfield': {'id': 'https://openalex.org/subfields/2735', 'display_name': 'Pediatrics, Perinatology and Child Health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/radon-transform', 'display_name': 'Radon transform', 'score': 0.42530498}], 'concepts': [{'id': 'https://openalex.org/C149550507', 'wikidata': 'https://www.wikidata.org/wiki/Q899360', 'display_name': 'Diffusion MRI', 'level': 3, 'score': 0.6411839}, {'id': 'https://openalex.org/C54170458', 'wikidata': 'https://www.wikidata.org/wiki/Q663554', 'display_name': 'Voxel', 'level': 2, 'score': 0.6075231}, {'id': 'https://openalex.org/C197231052', 'wikidata': 'https://www.wikidata.org/wiki/Q979829', 'display_name': 'Radon transform', 'level': 2, 'score': 0.42530498}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.397996}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.36235797}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.31097347}, {'id': 'https://openalex.org/C143409427', 'wikidata': 'https://www.wikidata.org/wiki/Q161238', 'display_name': 'Magnetic resonance imaging', 'level': 2, 'score': 0.24966463}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C126838900', 'wikidata': 'https://www.wikidata.org/wiki/Q77604', 'display_name': 'Radiology', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D000465', 'descriptor_name': 'Algorithms', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D001931', 'descriptor_name': 'Brain Mapping', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D038524', 'descriptor_name': 'Diffusion Magnetic Resonance Imaging', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D001931', 'descriptor_name': 'Brain Mapping', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D038524', 'descriptor_name': 'Diffusion Magnetic Resonance Imaging', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007091', 'descriptor_name': 'Image Processing, Computer-Assisted', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1002/mrm.20279', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S111160002', 'display_name': 'Magnetic Resonance in Medicine', 'issn_l': '0740-3194', 'issn': ['0740-3194', '1522-2594'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/15562495', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1002/mrm.20279', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S111160002', 'display_name': 'Magnetic Resonance in Medicine', 'issn_l': '0740-3194', 'issn': ['0740-3194', '1522-2594'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 43, 'referenced_works': ['https://openalex.org/W1501453584', 'https://openalex.org/W1589163079', 'https://openalex.org/W1963785789', 'https://openalex.org/W1964715312', 'https://openalex.org/W1964802316', 'https://openalex.org/W1984216864', 'https://openalex.org/W1986655159', 'https://openalex.org/W1997161422', 'https://openalex.org/W2005174961', 'https://openalex.org/W2006690959', 'https://openalex.org/W2020204431', 'https://openalex.org/W2024497015', 'https://openalex.org/W2032936392', 'https://openalex.org/W2036785860', 'https://openalex.org/W2042422178', 'https://openalex.org/W2047408599', 'https://openalex.org/W2052383398', 'https://openalex.org/W2056232814', 'https://openalex.org/W2057301489', 'https://openalex.org/W2060416311', 'https://openalex.org/W2063001897', 'https://openalex.org/W2064701095', 'https://openalex.org/W2065658783', 'https://openalex.org/W2066196783', 'https://openalex.org/W2068995344', 'https://openalex.org/W2069816444', 'https://openalex.org/W2080198834', 'https://openalex.org/W2081192009', 'https://openalex.org/W2084761689', 'https://openalex.org/W2086122102', 'https://openalex.org/W2086858670', 'https://openalex.org/W2110431535', 'https://openalex.org/W2126255160', 'https://openalex.org/W2142059961', 'https://openalex.org/W2149547889', 'https://openalex.org/W2154452584', 'https://openalex.org/W2160215963', 'https://openalex.org/W2170288393', 'https://openalex.org/W2312728792', 'https://openalex.org/W2899828029', 'https://openalex.org/W2990836033', 'https://openalex.org/W33346649', 'https://openalex.org/W4249166508'], 'related_works': ['https://openalex.org/W54078636', 'https://openalex.org/W3148032049', 'https://openalex.org/W3105167352', 'https://openalex.org/W3084825885', 'https://openalex.org/W2954470139', 'https://openalex.org/W2935759653', 'https://openalex.org/W2902782467', 'https://openalex.org/W2298861036', 'https://openalex.org/W2271181815', 'https://openalex.org/W1501425562'], 'abstract_inverted_index': {'Abstract': [0], 'Magnetic': [1], 'resonance': [2], 'diffusion': [3, 61, 93, 106, 159], 'tensor': [4, 36], 'imaging': [5, 28, 66, 94, 139, 175], '(DTI)': [6], 'provides': [7], 'a': [8, 22, 101, 122, 178], 'powerful': [9], 'tool': [10], 'for': [11, 183], 'mapping': [12], 'neural': [13], 'histoarchitecture': [14], 'in': [15], 'vivo.': [16], 'However,': [17], 'DTI': [18, 40], 'can': [19, 55, 117, 145], 'only': [20], 'resolve': [21, 42, 80, 146], 'single': [23], 'fiber': [24, 53, 82, 149], 'orientation': [25], 'within': [26, 48], 'each': [27], 'voxel': [29], 'due': [30], 'to': [31, 79], 'the': [32, 35, 89, 104, 114, 127, 133, 158, 170, 184, 198], 'constraints': [33], 'of': [34, 88, 103, 172, 197], 'model.': [37], 'For': [38], 'example,': [39], 'cannot': [41], 'fibers': [43], 'crossing,': [44], 'bending,': [45], 'or': [46, 164], 'twisting': [47], 'an': [49], 'individual': [50], 'voxel.': [51], 'Intravoxel': [52], 'crossing': [54, 83], 'be': [56, 118], 'resolved': [57], 'using': [58, 84, 121], 'q': [59, 64, 142, 173, 185, 199], '‐space': [60, 65], 'imaging,': [62, 144], 'but': [63, 97], 'requires': [67, 100], 'large': [68], 'pulsed': [69], 'field': [70], 'gradients': [71], 'and': [72, 151, 176], 'time‐intensive': [73], 'sampling.': [74], 'It': [75], 'is': [76], 'also': [77, 130], 'possible': [78], 'intravoxel': [81, 148], 'mixture': [85, 98], 'model': [86, 102], 'decomposition': [87], 'high': [90], 'angular': [91], 'resolution': [92], '(HARDI)': [95], 'signal,': [96], 'modeling': [99], 'underlying': [105], 'process.': [107], 'Recently,': [108], 'it': [109], 'has': [110], 'been': [111], 'shown': [112], 'that': [113], 'HARDI': [115], 'signal': [116], 'reconstructed': [119], 'model‐independently': [120], 'spherical': [123, 134, 190], 'tomographic': [124], 'inversion': [125], 'called': [126], 'Funk–Radon': [128], 'transform,': [129], 'known': [131], 'as': [132, 162], 'Radon': [135], 'transform.': [136], 'The': [137, 166], 'resulting': [138], 'method,': [140], 'termed': [141], '‐ball': [143, 174, 186, 200], 'multiple': [147], 'orientations': [150], 'does': [152], 'not': [153], 'require': [154], 'any': [155], 'assumptions': [156], 'on': [157, 189], 'process': [160], 'such': [161], 'Gaussianity': [163], 'multi‐Gaussianity.': [165], 'present': [167], 'paper': [168], 'reviews': [169], 'theory': [171], 'describes': [177], 'simple': [179], 'linear': [180], 'matrix': [181], 'formulation': [182], 'reconstruction': [187, 201], 'based': [188], 'radial': [191], 'basis': [192], 'function': [193], 'interpolation.': [194], 'Open': [195], 'aspects': [196], 'algorithm': [202], 'are': [203], 'discussed.': [204], 'Magn': [205], 'Reson': [206], 'Med': [207], '52:1358–1372,': [208], '2004.': [209], '©': [210], '2004': [211], 'Wiley‐Liss,': [212], 'Inc.': [213]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1988954604', 'counts_by_year': [{'year': 2024, 'cited_by_count': 52}, {'year': 2023, 'cited_by_count': 44}, {'year': 2022, 'cited_by_count': 60}, {'year': 2021, 'cited_by_count': 80}, {'year': 2020, 'cited_by_count': 82}, {'year': 2019, 'cited_by_count': 85}, {'year': 2018, 'cited_by_count': 101}, {'year': 2017, 'cited_by_count': 105}, {'year': 2016, 'cited_by_count': 96}, {'year': 2015, 'cited_by_count': 117}, {'year': 2014, 'cited_by_count': 130}, {'year': 2013, 'cited_by_count': 148}, {'year': 2012, 'cited_by_count': 148}], 'updated_date': '2025-01-09T18:35:24.273341', 'created_date': '2016-06-24'}