Publication Information

{'id': 'https://openalex.org/W2105134633', 'doi': 'https://doi.org/10.1109/isspa.2001.950213', 'title': 'Spectrogram decompositions of time-frequency distributions', 'display_name': 'Spectrogram decompositions of time-frequency distributions', 'publication_year': 2002, 'publication_date': '2002-11-13', 'ids': {'openalex': 'https://openalex.org/W2105134633', 'doi': 'https://doi.org/10.1109/isspa.2001.950213', 'mag': '2105134633'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1109/isspa.2001.950213', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'proceedings-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/A5043708532', 'display_name': 'William J. Williams', 'orcid': 'https://orcid.org/0000-0002-7285-6954'}, 'institutions': [{'id': 'https://openalex.org/I27837315', 'display_name': 'University of Michigan–Ann Arbor', 'ror': 'https://ror.org/00jmfr291', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I27837315']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'W.J. Williams', 'raw_affiliation_strings': ['Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA', 'institution_ids': ['https://openalex.org/I27837315']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5038586596', 'display_name': 'Selin Aviyente', 'orcid': 'https://orcid.org/0000-0001-9023-107X'}, 'institutions': [{'id': 'https://openalex.org/I27837315', 'display_name': 'University of Michigan–Ann Arbor', 'ror': 'https://ror.org/00jmfr291', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I27837315']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'S. Aviyente', 'raw_affiliation_strings': ['Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA', 'institution_ids': ['https://openalex.org/I27837315']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 4, 'citation_normalized_percentile': {'value': 0.629664, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 71, 'max': 73}, 'biblio': {'volume': '2', 'issue': None, 'first_page': '587', 'last_page': '590'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10220', 'display_name': 'Machine Fault Diagnosis Techniques', 'score': 0.9954, 'subfield': {'id': 'https://openalex.org/subfields/2207', 'display_name': 'Control and Systems 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/T10220', 'display_name': 'Machine Fault Diagnosis Techniques', 'score': 0.9954, 'subfield': {'id': 'https://openalex.org/subfields/2207', 'display_name': 'Control and Systems 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/T10876', 'display_name': 'Fault Detection and Control Systems', 'score': 0.9804, 'subfield': {'id': 'https://openalex.org/subfields/2207', 'display_name': 'Control and Systems 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/T10688', 'display_name': 'Image and Signal Denoising Methods', 'score': 0.9697, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/spectrogram', 'display_name': 'Spectrogram', 'score': 0.9860363}, {'id': 'https://openalex.org/keywords/kernel', 'display_name': 'Kernel (algebra)', 'score': 0.6220202}, {'id': 'https://openalex.org/keywords/basis', 'display_name': 'Basis (linear algebra)', 'score': 0.54964155}], 'concepts': [{'id': 'https://openalex.org/C45273575', 'wikidata': 'https://www.wikidata.org/wiki/Q578970', 'display_name': 'Spectrogram', 'level': 2, 'score': 0.9860363}, {'id': 'https://openalex.org/C142433447', 'wikidata': 'https://www.wikidata.org/wiki/Q7806653', 'display_name': 'Time–frequency analysis', 'level': 3, 'score': 0.6859702}, {'id': 'https://openalex.org/C45374587', 'wikidata': 'https://www.wikidata.org/wiki/Q12525525', 'display_name': 'Computation', 'level': 2, 'score': 0.6526242}, {'id': 'https://openalex.org/C74193536', 'wikidata': 'https://www.wikidata.org/wiki/Q574844', 'display_name': 'Kernel (algebra)', 'level': 2, 'score': 0.6220202}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.5824523}, {'id': 'https://openalex.org/C11413529', 'wikidata': 'https://www.wikidata.org/wiki/Q8366', 'display_name': 'Algorithm', 'level': 1, 'score': 0.5709585}, {'id': 'https://openalex.org/C12426560', 'wikidata': 'https://www.wikidata.org/wiki/Q189569', 'display_name': 'Basis (linear algebra)', 'level': 2, 'score': 0.54964155}, {'id': 'https://openalex.org/C177264268', 'wikidata': 'https://www.wikidata.org/wiki/Q1514741', 'display_name': 'Set (abstract data type)', 'level': 2, 'score': 0.5350792}, {'id': 'https://openalex.org/C28490314', 'wikidata': 'https://www.wikidata.org/wiki/Q189436', 'display_name': 'Speech recognition', 'level': 1, 'score': 0.32339078}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.3155648}, {'id': 'https://openalex.org/C31972630', 'wikidata': 'https://www.wikidata.org/wiki/Q844240', 'display_name': 'Computer vision', 'level': 1, 'score': 0.119442046}, {'id': 'https://openalex.org/C118615104', 'wikidata': 'https://www.wikidata.org/wiki/Q121416', 'display_name': 'Discrete mathematics', 'level': 1, 'score': 0.10619438}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C106131492', 'wikidata': 'https://www.wikidata.org/wiki/Q3072260', 'display_name': 'Filter (signal processing)', 'level': 2, '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': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1109/isspa.2001.950213', 'pdf_url': None, 'source': None, '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': 13, 'referenced_works': ['https://openalex.org/W1504214173', 'https://openalex.org/W169641318', 'https://openalex.org/W2048322396', 'https://openalex.org/W2065401974', 'https://openalex.org/W2072054167', 'https://openalex.org/W2096092115', 'https://openalex.org/W2117101257', 'https://openalex.org/W2134358635', 'https://openalex.org/W2135463676', 'https://openalex.org/W2150391795', 'https://openalex.org/W2156527287', 'https://openalex.org/W2242146578', 'https://openalex.org/W99926922'], 'related_works': ['https://openalex.org/W4287600976', 'https://openalex.org/W335396218', 'https://openalex.org/W2602361891', 'https://openalex.org/W2533590149', 'https://openalex.org/W2149263408', 'https://openalex.org/W2035480840', 'https://openalex.org/W1889291648', 'https://openalex.org/W1600447354', 'https://openalex.org/W1589126043', 'https://openalex.org/W1504214173'], 'abstract_inverted_index': {'This': [0, 33], 'paper': [1], 'outlines': [2], 'means': [3], 'of': [4, 31, 40, 45, 49, 84, 91], 'combining': [5], 'spectrograms': [6, 53], 'formed': [7], 'using': [8, 55], 'specially': [9], 'designed': [10], 'windows.': [11, 51], 'Previous': [12], 'work': [13], 'has': [14], 'shown': [15], 'that': [16], 'one': [17], 'can': [18, 106], 'decompose': [19], 'any': [20], 'time-frequency': [21], 'distribution': [22, 42], '(TFD)': [23], 'in': [24, 43], "Cohen's": [25], 'class': [26], 'into': [27], 'a': [28, 74], 'weighted': [29], 'sum': [30], 'spectrograms.': [32], 'is': [34, 73], 'accomplished': [35], 'by': [36], 'decomposing': [37], 'the': [38, 41, 68], 'kernel': [39], 'terms': [44], 'an': [46], 'orthogonal': [47], 'set': [48], 'analysis': [50, 57, 96], 'The': [52, 71], 'obtained': [54], 'these': [56], 'windows': [58, 97], 'are': [59], 'then': [60], 'linearly': [61], 'combined': [62], 'with': [63], 'proper': [64], 'weights': [65], 'to': [66], 'form': [67], 'desired': [69], 'TFD.': [70, 81], 'goal': [72], 'full': [75], 'and': [76, 101], 'effective': [77], 'basis': [78], 'for': [79], 'representing': [80], 'Successful': [82], 'application': [83], 'this': [85], 'theory': [86], 'offers': [87], 'very': [88, 94], 'fast': [89], 'computation': [90], 'TFD,': [92], 'since': [93], 'few': [95], 'may': [98], 'be': [99, 107], 'needed': [100], 'fast,': [102], 'recursive': [103], 'spectrogram': [104], 'algorithms': [105], 'used.': [108]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2105134633', 'counts_by_year': [], 'updated_date': '2024-12-13T09:14:52.241005', 'created_date': '2016-06-24'}