{"id":"https://openalex.org/W2011129324","doi":"https://doi.org/10.1109/socpar.2011.6089117","title":"Copy image detection based on local keypoints","display_name":"Copy image detection based on local keypoints","publication_year":2011,"publication_date":"2011-10-01","ids":{"openalex":"https://openalex.org/W2011129324","doi":"https://doi.org/10.1109/socpar.2011.6089117","mag":"2011129324"},"language":"en","primary_location":{"id":"doi:10.1109/socpar.2011.6089117","is_oa":false,"landing_page_url":"https://doi.org/10.1109/socpar.2011.6089117","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Conference of Soft Computing and Pattern Recognition (SoCPaR)","raw_type":"proceedings-article"},"type":"article","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":null,"display_name":"Yao Jinliang","orcid":null},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yao Jinliang","raw_affiliation_strings":["Institute of Computer Application Technology, Hangzhou Dianzi Keji University, Hangzhou, China","Institute of Computer Application Technology, Hangzhou Dianzi Keji University, 310018, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computer Application Technology, Hangzhou Dianzi Keji University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]},{"raw_affiliation_string":"Institute of Computer Application Technology, Hangzhou Dianzi Keji University, 310018, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Wang Xiaohua","orcid":null},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wang Xiaohua","raw_affiliation_strings":["Institute of Computer Application Technology, Hangzhou Dianzi Keji University, Hangzhou, China","Institute of Computer Application Technology, Hangzhou Dianzi Keji University, 310018, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computer Application Technology, Hangzhou Dianzi Keji University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]},{"raw_affiliation_string":"Institute of Computer Application Technology, Hangzhou Dianzi Keji University, 310018, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"last","author":{"id":null,"display_name":"Wang Rongbo","orcid":null},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wang Rongbo","raw_affiliation_strings":["Institute of Computer Application Technology, Hangzhou Dianzi Keji University, Hangzhou, China","Institute of Computer Application Technology, Hangzhou Dianzi Keji University, 310018, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computer Application Technology, Hangzhou Dianzi Keji University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]},{"raw_affiliation_string":"Institute of Computer Application Technology, Hangzhou Dianzi Keji University, 310018, China","institution_ids":["https://openalex.org/I50760025"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I50760025"],"apc_list":null,"apc_paid":null,"fwci":0.2617,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.56636019,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"258","last_page":"262"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9980000257492065,"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"}},"topics":[{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9980000257492065,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.996999979019165,"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/T12357","display_name":"Digital Media Forensic Detection","score":0.9768000245094299,"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/computer-science","display_name":"Computer science","score":0.7263185381889343},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.695880651473999},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6493423581123352},{"id":"https://openalex.org/keywords/hamming-distance","display_name":"Hamming distance","score":0.6339260339736938},{"id":"https://openalex.org/keywords/image-retrieval","display_name":"Image retrieval","score":0.5865075588226318},{"id":"https://openalex.org/keywords/fingerprint","display_name":"Fingerprint (computing)","score":0.5799843072891235},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5290288925170898},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5019209384918213},{"id":"https://openalex.org/keywords/feature-vector","display_name":"Feature vector","score":0.4835514724254608},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4804370105266571},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.476202130317688},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.45900508761405945},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.4247887432575226},{"id":"https://openalex.org/keywords/similarity-measure","display_name":"Similarity measure","score":0.4174751043319702},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.08156216144561768}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7263185381889343},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.695880651473999},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6493423581123352},{"id":"https://openalex.org/C193319292","wikidata":"https://www.wikidata.org/wiki/Q272172","display_name":"Hamming distance","level":2,"score":0.6339260339736938},{"id":"https://openalex.org/C1667742","wikidata":"https://www.wikidata.org/wiki/Q10927554","display_name":"Image retrieval","level":3,"score":0.5865075588226318},{"id":"https://openalex.org/C2777826928","wikidata":"https://www.wikidata.org/wiki/Q3745713","display_name":"Fingerprint (computing)","level":2,"score":0.5799843072891235},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5290288925170898},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5019209384918213},{"id":"https://openalex.org/C83665646","wikidata":"https://www.wikidata.org/wiki/Q42139305","display_name":"Feature vector","level":2,"score":0.4835514724254608},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4804370105266571},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.476202130317688},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.45900508761405945},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.4247887432575226},{"id":"https://openalex.org/C2776517306","wikidata":"https://www.wikidata.org/wiki/Q29017317","display_name":"Similarity measure","level":2,"score":0.4174751043319702},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.08156216144561768},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/socpar.2011.6089117","is_oa":false,"landing_page_url":"https://doi.org/10.1109/socpar.2011.6089117","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Conference of Soft Computing and Pattern Recognition (SoCPaR)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.6499999761581421,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1965777381","https://openalex.org/W1984938920","https://openalex.org/W1991700144","https://openalex.org/W2007458243","https://openalex.org/W2038128495","https://openalex.org/W2117074709","https://openalex.org/W2118355530","https://openalex.org/W2145349611","https://openalex.org/W2145400576","https://openalex.org/W2162300279","https://openalex.org/W3160851792","https://openalex.org/W6652327070","https://openalex.org/W6683989399","https://openalex.org/W6795644987"],"related_works":["https://openalex.org/W2339806289","https://openalex.org/W2368132270","https://openalex.org/W2173185020","https://openalex.org/W2067417168","https://openalex.org/W2167635576","https://openalex.org/W2095997682","https://openalex.org/W4205397417","https://openalex.org/W2145721853","https://openalex.org/W2279968534","https://openalex.org/W2123991572"],"abstract_inverted_index":{"Detecting":[0],"copy":[1,26],"images":[2],"of":[3,32,52,68,90,114,121,135],"a":[4,13,38,50,61,95,104],"query":[5],"image":[6,10,27,33,46],"in":[7,29,43,98],"large":[8,100],"scale":[9,101],"collections":[11],"is":[12,41,47,58,74,84,108],"very":[14],"important":[15],"task":[16],"for":[17],"many":[18],"applications,":[19],"such":[20],"as":[21,49],"copyright":[22],"violations":[23],"detection":[24],"and":[25],"filtering":[28],"the":[30,66,78,88,115,119,133,136],"results":[31,131],"retrieval.":[34],"In":[35],"this":[36],"paper,":[37],"novel":[39],"method":[40,107,125],"proposed":[42,137],"which":[44],"each":[45],"represented":[48],"set":[51],"local":[53,56],"keypoints.":[54],"The":[55,129],"keypoint":[57,72],"characterized":[59],"by":[60,117],"compact":[62,76],"fingerprint":[63,96,102],"to":[64,86,110],"minimize":[65],"effect":[67],"color":[69],"changing.":[70],"This":[71,123],"descriptor":[73],"more":[75],"than":[77],"feature":[79],"vector":[80],"descriptor.":[81],"Hamming":[82],"distance":[83],"used":[85],"measure":[87],"similarity":[89],"two":[91],"fingerprints.":[92],"To":[93],"retrieve":[94],"quickly":[97],"one":[99],"collection,":[103],"fast":[105],"retrieval":[106,124],"adapted":[109],"construct":[111],"sorted":[112],"tables":[113],"fingerprints":[116],"grouping":[118],"bits":[120],"fingerprint.":[122],"has":[126],"low":[127],"complexity.":[128],"experimental":[130],"validate":[132],"effectiveness":[134],"algorithms.":[138]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}