{"id":"https://openalex.org/W2002461783","doi":"https://doi.org/10.1145/1461893.1461899","title":"Enhancing change detection in low-quality surveillance footage using markov random fields","display_name":"Enhancing change detection in low-quality surveillance footage using markov random fields","publication_year":2008,"publication_date":"2008-10-31","ids":{"openalex":"https://openalex.org/W2002461783","doi":"https://doi.org/10.1145/1461893.1461899","mag":"2002461783"},"language":"en","primary_location":{"id":"doi:10.1145/1461893.1461899","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1461893.1461899","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st ACM workshop on Vision networks for behavior analysis","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053205713","display_name":"D. Tweed","orcid":null},"institutions":[{"id":"https://openalex.org/I71052956","display_name":"University of Reading","ror":"https://ror.org/05v62cm79","country_code":"GB","type":"education","lineage":["https://openalex.org/I71052956"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David S. Tweed","raw_affiliation_strings":["University of Reading, Reading, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Reading, Reading, United Kingdom","institution_ids":["https://openalex.org/I71052956"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039804037","display_name":"James Ferryman","orcid":"https://orcid.org/0000-0003-2194-4871"},"institutions":[{"id":"https://openalex.org/I71052956","display_name":"University of Reading","ror":"https://ror.org/05v62cm79","country_code":"GB","type":"education","lineage":["https://openalex.org/I71052956"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"James M. Ferryman","raw_affiliation_strings":["University of Reading, Reading, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Reading, Reading, United Kingdom","institution_ids":["https://openalex.org/I71052956"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I71052956"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"23","last_page":"30"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T12549","display_name":"Image and Object Detection Techniques","score":0.9959999918937683,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9943000078201294,"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/change-detection","display_name":"Change detection","score":0.7564631700515747},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.738014817237854},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6838818788528442},{"id":"https://openalex.org/keywords/markov-random-field","display_name":"Markov random field","score":0.6220183968544006},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6032440662384033},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.5290084481239319},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.46311062574386597},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.4314122498035431},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"Image segmentation","score":0.4207450747489929},{"id":"https://openalex.org/keywords/object-detection","display_name":"Object detection","score":0.415479838848114},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.39311447739601135},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.17466610670089722}],"concepts":[{"id":"https://openalex.org/C203595873","wikidata":"https://www.wikidata.org/wiki/Q25389927","display_name":"Change detection","level":2,"score":0.7564631700515747},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.738014817237854},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6838818788528442},{"id":"https://openalex.org/C2778045648","wikidata":"https://www.wikidata.org/wiki/Q176827","display_name":"Markov random field","level":4,"score":0.6220183968544006},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6032440662384033},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.5290084481239319},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.46311062574386597},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.4314122498035431},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.4207450747489929},{"id":"https://openalex.org/C2776151529","wikidata":"https://www.wikidata.org/wiki/Q3045304","display_name":"Object detection","level":3,"score":0.415479838848114},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.39311447739601135},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.17466610670089722},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1461893.1461899","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1461893.1461899","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st ACM workshop on Vision networks for behavior analysis","raw_type":"proceedings-article"},{"id":"pmh:oai:centaur.reading.ac.uk:14892","is_oa":false,"landing_page_url":"http://centaur.reading.ac.uk/14892/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402273","display_name":"CentAUR (University of Reading)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71052956","host_organization_name":"University of Reading","host_organization_lineage":["https://openalex.org/I71052956"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7599999904632568,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W79315950","https://openalex.org/W1591285480","https://openalex.org/W1699121607","https://openalex.org/W1968862776","https://openalex.org/W2042984424","https://openalex.org/W2065101345","https://openalex.org/W2087194382","https://openalex.org/W2105725268","https://openalex.org/W2105771436","https://openalex.org/W2113137767","https://openalex.org/W2117888987","https://openalex.org/W2118061983","https://openalex.org/W2138918418","https://openalex.org/W2140200866","https://openalex.org/W2147899407","https://openalex.org/W2160142792","https://openalex.org/W2162602424","https://openalex.org/W2169551590"],"related_works":["https://openalex.org/W2568858292","https://openalex.org/W4233585817","https://openalex.org/W2067164137","https://openalex.org/W2016045932","https://openalex.org/W1675950995","https://openalex.org/W2188882668","https://openalex.org/W2004379491","https://openalex.org/W2088323302","https://openalex.org/W1998269854","https://openalex.org/W2083140487"],"abstract_inverted_index":{"Urban":[0],"surveillance":[1,30],"footage":[2],"can":[3],"be":[4],"of":[5,14],"poor":[6],"quality,":[7],"partly":[8,18],"due":[9,19],"to":[10,20],"the":[11,15],"low":[12],"quality":[13],"camera":[16],"and":[17,23,59],"harsh":[21],"lighting":[22],"heavily":[24],"reflective":[25],"scenes.":[26],"For":[27],"some":[28],"computer":[29],"tasks":[31],"very":[32],"simple":[33],"change":[34,43,73],"detection":[35,44,74],"is":[36,46],"adequate,":[37],"but":[38],"sometimes":[39],"a":[40,66,71,76],"more":[41],"detailed":[42],"mask":[45],"desirable,":[47],"eg,":[48],"for":[49,69],"accurately":[50],"tracking":[51],"identity":[52],"when":[53],"faced":[54],"with":[55],"multiple":[56],"interacting":[57],"individuals":[58],"in":[60,84],"pose-based":[61],"behaviour":[62],"recognition.":[63],"We":[64],"present":[65],"novel":[67],"technique":[68],"enhancing":[70],"low-quality":[72],"into":[75],"better":[77],"segmentation":[78],"using":[79],"an":[80,85],"image":[81],"combing":[82],"estimator":[83],"MRF":[86],"based":[87],"model.":[88]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}