{"id":"https://openalex.org/W3112984668","doi":"https://doi.org/10.1109/jsyst.2020.3044325","title":"Urban Space Insights Extraction Using Acoustic Histogram Information","display_name":"Urban Space Insights Extraction Using Acoustic Histogram Information","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3112984668","doi":"https://doi.org/10.1109/jsyst.2020.3044325","mag":"3112984668"},"language":"en","primary_location":{"id":"doi:10.1109/jsyst.2020.3044325","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2020.3044325","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Systems Journal","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2012.05488","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068689884","display_name":"Nipun Wijerathne","orcid":null},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Nipun Wijerathne","raw_affiliation_strings":["Engineering Product Development, Singapore University of Technology and Design, Singapore"],"affiliations":[{"raw_affiliation_string":"Engineering Product Development, Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085047229","display_name":"Billy Pik Lik Lau","orcid":"https://orcid.org/0000-0001-5133-2791"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Billy Pik Lik Lau","raw_affiliation_strings":["Engineering Product Development, Singapore University of Technology and Design, Singapore"],"affiliations":[{"raw_affiliation_string":"Engineering Product Development, Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030007087","display_name":"Benny Kai Kiat Ng","orcid":"https://orcid.org/0000-0002-8127-3494"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Benny Kai Kiat Ng","raw_affiliation_strings":["Engineering Product Development, Singapore University of Technology and Design, Singapore"],"affiliations":[{"raw_affiliation_string":"Engineering Product Development, Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060020877","display_name":"Chau Yuen","orcid":"https://orcid.org/0000-0002-9307-2120"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chau Yuen","raw_affiliation_strings":["Engineering Product Development, Singapore University of Technology and Design, Singapore"],"affiliations":[{"raw_affiliation_string":"Engineering Product Development, Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5068689884"],"corresponding_institution_ids":["https://openalex.org/I152815399"],"apc_list":null,"apc_paid":null,"fwci":0.4617,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.58479297,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"15","issue":"3","first_page":"4448","last_page":"4458"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11309","display_name":"Music and Audio Processing","score":0.9937999844551086,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11309","display_name":"Music and Audio Processing","score":0.9937999844551086,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9918000102043152,"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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/histogram","display_name":"Histogram","score":0.7712770700454712},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6402835845947266},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.6076813340187073},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5715697407722473},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.5064824819564819},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.4966951012611389},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4835197925567627},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4289153814315796},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.42148298025131226},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.41144177317619324},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.39629220962524414},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.35311228036880493},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1661466360092163}],"concepts":[{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.7712770700454712},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6402835845947266},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.6076813340187073},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5715697407722473},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.5064824819564819},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.4966951012611389},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4835197925567627},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4289153814315796},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.42148298025131226},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.41144177317619324},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.39629220962524414},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35311228036880493},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1661466360092163},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jsyst.2020.3044325","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2020.3044325","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Systems Journal","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2012.05488","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2012.05488","pdf_url":"https://arxiv.org/pdf/2012.05488","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2012.05488","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2012.05488","pdf_url":"https://arxiv.org/pdf/2012.05488","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.7300000190734863}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320753","display_name":"Ministry of National Development - Singapore","ror":"https://ror.org/04gvcex51"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1602102683","https://openalex.org/W1620537193","https://openalex.org/W1985836174","https://openalex.org/W2013740518","https://openalex.org/W2029152224","https://openalex.org/W2036205626","https://openalex.org/W2056552424","https://openalex.org/W2124510467","https://openalex.org/W2133097426","https://openalex.org/W2134520485","https://openalex.org/W2140190241","https://openalex.org/W2146744711","https://openalex.org/W2155311268","https://openalex.org/W2158703410","https://openalex.org/W2321499302","https://openalex.org/W2337534032","https://openalex.org/W2345855897","https://openalex.org/W2506546348","https://openalex.org/W2515822248","https://openalex.org/W2518693426","https://openalex.org/W2530835859","https://openalex.org/W2559131491","https://openalex.org/W2725171488","https://openalex.org/W2752736291","https://openalex.org/W2763008059","https://openalex.org/W2766747128","https://openalex.org/W2891081411","https://openalex.org/W2901611635","https://openalex.org/W2901892089","https://openalex.org/W2913188442","https://openalex.org/W2947430130","https://openalex.org/W2948831004","https://openalex.org/W2951205366","https://openalex.org/W2952166470","https://openalex.org/W2963501369","https://openalex.org/W3004981471","https://openalex.org/W3104531317","https://openalex.org/W3105469237","https://openalex.org/W4249770589","https://openalex.org/W6728454589"],"related_works":["https://openalex.org/W1975632186","https://openalex.org/W3027745756","https://openalex.org/W3205213561","https://openalex.org/W2531880140","https://openalex.org/W2036609560","https://openalex.org/W346861917","https://openalex.org/W3024018414","https://openalex.org/W2126145365","https://openalex.org/W4380081032","https://openalex.org/W1542592062"],"abstract_inverted_index":{"Urban":[0],"data":[1,106],"mining":[2],"can":[3,12],"be":[4],"identified":[5],"as":[6],"a":[7,51,57,124],"highly":[8],"potential":[9],"area":[10],"that":[11],"enhance":[13],"the":[14,24,37,41,66,79,94,132,144,164],"smart":[15],"city":[16],"services":[17],"toward":[18],"better":[19],"sustainable":[20],"development":[21],"especially":[22],"in":[23,82,99],"urban":[25,84],"residential":[26,85,153],"activity":[27,32],"tracking.":[28],"While":[29],"existing":[30],"human":[31],"tracking":[33],"systems":[34],"have":[35],"demonstrated":[36],"capability":[38],"to":[39,73,93,122,142,150,162],"unveil":[40],"hidden":[42],"aspects":[43],"of":[44,68,104,147,166],"citizens'":[45],"behavior,":[46],"they":[47],"often":[48],"come":[49],"with":[50],"high":[52],"implementation":[53,67],"cost":[54],"and":[55,77,118,127,140],"require":[56],"large":[58],"communication":[59],"bandwidth.":[60],"In":[61,155],"this":[62],"article,":[63],"we":[64,136],"study":[65],"low-cost":[69],"analog":[70,88],"sound":[71,89,105],"sensors":[72,90],"detect":[74],"outdoor":[75,152],"activities":[76],"estimate":[78],"raining":[80],"period":[81],"an":[83],"area.":[86],"The":[87],"are":[91],"transmitted":[92],"cloud":[95],"every":[96,108],"5":[97],"min":[98],"histogram":[100],"format,":[101],"which":[102],"consists":[103],"sampled":[107],"100":[109],"ms":[110],"(10":[111],"Hz).":[112],"We":[113],"then":[114],"use":[115],"wavelet":[116],"transformation":[117],"principal":[119],"component":[120],"analysis":[121],"generate":[123],"more":[125],"robust":[126],"consistent":[128],"feature":[129],"set":[130],"from":[131],"histogram.":[133],"After":[134],"that,":[135],"performed":[137],"unsupervised":[138],"clustering":[139],"attempt":[141],"understand":[143],"individual":[145],"characteristics":[146],"each":[148],"cluster":[149],"identify":[151],"activities.":[154],"addition,":[156],"on-site":[157],"validation":[158],"has":[159],"been":[160],"conducted":[161],"show":[163],"effectiveness":[165],"our":[167],"approach.":[168]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}