{"id":"https://openalex.org/W2063919884","doi":"https://doi.org/10.1145/1937728.1937759","title":"An improved local feature descriptor based on SIFT","display_name":"An improved local feature descriptor based on SIFT","publication_year":2010,"publication_date":"2010-12-30","ids":{"openalex":"https://openalex.org/W2063919884","doi":"https://doi.org/10.1145/1937728.1937759","mag":"2063919884"},"language":"en","primary_location":{"id":"doi:10.1145/1937728.1937759","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1937728.1937759","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Second International Conference on Internet Multimedia Computing and Service","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":"https://openalex.org/A5090866370","display_name":"Kaiyang Liao","orcid":"https://orcid.org/0000-0003-0833-2336"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kaiyang Liao","raw_affiliation_strings":["Xi'an Jiaotong University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071277762","display_name":"Guizhong Liu","orcid":"https://orcid.org/0000-0001-9149-4576"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guizhong Liu","raw_affiliation_strings":["Xi'an Jiaotong University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5090866370"],"corresponding_institution_ids":["https://openalex.org/I87445476"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14409854,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"131","last_page":"134"},"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":0.9998999834060669,"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":0.9998999834060669,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9909999966621399,"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/scale-invariant-feature-transform","display_name":"Scale-invariant feature transform","score":0.9098291993141174},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.7834246158599854},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7413202524185181},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.7069332599639893},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.684873104095459},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.6073406934738159},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.6058876514434814},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.5270196199417114},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.48298588395118713},{"id":"https://openalex.org/keywords/histogram-of-oriented-gradients","display_name":"Histogram of oriented gradients","score":0.4687046706676483},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4523707926273346},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.2652911841869354},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2525321841239929}],"concepts":[{"id":"https://openalex.org/C61265191","wikidata":"https://www.wikidata.org/wiki/Q767770","display_name":"Scale-invariant feature transform","level":3,"score":0.9098291993141174},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.7834246158599854},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7413202524185181},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.7069332599639893},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.684873104095459},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.6073406934738159},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.6058876514434814},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.5270196199417114},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.48298588395118713},{"id":"https://openalex.org/C17426736","wikidata":"https://www.wikidata.org/wiki/Q419918","display_name":"Histogram of oriented gradients","level":4,"score":0.4687046706676483},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4523707926273346},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.2652911841869354},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2525321841239929},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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:10.1145/1937728.1937759","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1937728.1937759","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Second International Conference on Internet Multimedia Computing and Service","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1948813364","display_name":null,"funder_award_id":"2007CB311002","funder_id":"https://openalex.org/F4320321540","funder_display_name":"Ministry of Science and Technology of the People's Republic of China"},{"id":"https://openalex.org/G4981589206","display_name":null,"funder_award_id":"60903121","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6765038897","display_name":null,"funder_award_id":"2009 AA01Z409","funder_id":"https://openalex.org/F4320321540","funder_display_name":"Ministry of Science and Technology of the People's Republic of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321540","display_name":"Ministry of Science and Technology of the People's Republic of China","ror":"https://ror.org/027s68j25"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1528423721","https://openalex.org/W1541642243","https://openalex.org/W1607217798","https://openalex.org/W1980911747","https://openalex.org/W1984757472","https://openalex.org/W1991605728","https://openalex.org/W2097462649","https://openalex.org/W2118743891","https://openalex.org/W2124087378","https://openalex.org/W2145072179","https://openalex.org/W2151103935","https://openalex.org/W2177274842"],"related_works":["https://openalex.org/W2049930962","https://openalex.org/W2071599417","https://openalex.org/W2048716406","https://openalex.org/W1870444468","https://openalex.org/W2979608518","https://openalex.org/W1964725559","https://openalex.org/W2939132449","https://openalex.org/W1409560160","https://openalex.org/W3109748140","https://openalex.org/W1142874504"],"abstract_inverted_index":{"Constructing":[0],"proper":[1],"descriptors":[2,62,79],"for":[3,10,53],"interest":[4],"points":[5],"is":[6,80],"a":[7,57],"critical":[8],"aspect":[9],"local":[11],"features":[12],"related":[13],"tasks":[14],"in":[15],"some":[16],"computer":[17],"vision":[18],"and":[19,37,63,74],"pattern":[20],"recognition.":[21],"This":[22],"paper":[23],"proposed":[24],"to":[25],"improve":[26],"the":[27,34,38,42,51,75],"SIFT":[28],"descriptor":[29],"by":[30,83],"means":[31],"of":[32,60,77],"combining":[33],"second":[35],"derivative":[36],"gradient":[39],"magnitude,":[40],"introducing":[41],"polar":[43],"histogram":[44],"orientation":[45],"bin,":[46],"as":[47,49],"well":[48],"expending":[50],"regions":[52],"describing.":[54],"We":[55],"present":[56],"comparative":[58],"evaluation":[59],"different":[61],"show":[64],"that":[65],"our":[66,78],"approach":[67],"provides":[68],"better":[69],"results":[70],"than":[71],"existing":[72],"methods":[73],"performance":[76],"also":[81],"confirmed":[82],"excellent":[84],"matching":[85],"results.":[86]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}