{"id":"https://openalex.org/W1572437262","doi":"https://doi.org/10.1109/icip.2004.1418776","title":"Image retrieval based on projective invariance","display_name":"Image retrieval based on projective invariance","publication_year":2005,"publication_date":"2005-04-19","ids":{"openalex":"https://openalex.org/W1572437262","doi":"https://doi.org/10.1109/icip.2004.1418776","mag":"1572437262"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2004.1418776","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2004.1418776","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 International Conference on Image Processing, 2004. ICIP '04.","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/A5108463750","display_name":"Rajashekhar Rajashekhar","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Rajashekhar","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016405213","display_name":"Subhasis Chaudhuri","orcid":"https://orcid.org/0000-0002-1680-0016"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"S. Chaudhuri","raw_affiliation_strings":["Dept. of Electr. Eng., Indian Inst. of Technol. Bombay, Mumbai, India#TAB#"],"affiliations":[{"raw_affiliation_string":"Dept. of Electr. Eng., Indian Inst. of Technol. Bombay, Mumbai, India#TAB#","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007109424","display_name":"Vinay P. Namboodiri","orcid":"https://orcid.org/0000-0001-5262-9722"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"V.P. Namboodiri","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology-Bombay, Mumbai, India","Dept. of Electr. Eng., Indian Inst. of Technol. Bombay, Mumbai, India#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology-Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]},{"raw_affiliation_string":"Dept. of Electr. Eng., Indian Inst. of Technol. Bombay, Mumbai, India#TAB#","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5108463750"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.4928,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.82946029,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1","issue":null,"first_page":"405","last_page":"408"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification 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/T10824","display_name":"Image Retrieval and Classification 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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9987999796867371,"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9891999959945679,"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/cross-ratio","display_name":"Cross-ratio","score":0.9042696952819824},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.767662763595581},{"id":"https://openalex.org/keywords/projective-test","display_name":"Projective test","score":0.6021789908409119},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.597038745880127},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5582830309867859},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5411185026168823},{"id":"https://openalex.org/keywords/image-retrieval","display_name":"Image retrieval","score":0.5331225991249084},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5209380388259888},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5105642080307007},{"id":"https://openalex.org/keywords/quadruplets","display_name":"Quadruplets","score":0.45992881059646606},{"id":"https://openalex.org/keywords/planar","display_name":"Planar","score":0.4309402406215668},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.38064587116241455},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3256112337112427},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3229596018791199},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.16448408365249634},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.0573962926864624}],"concepts":[{"id":"https://openalex.org/C101586328","wikidata":"https://www.wikidata.org/wiki/Q899539","display_name":"Cross-ratio","level":2,"score":0.9042696952819824},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.767662763595581},{"id":"https://openalex.org/C177846678","wikidata":"https://www.wikidata.org/wiki/Q1501864","display_name":"Projective test","level":2,"score":0.6021789908409119},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.597038745880127},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5582830309867859},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5411185026168823},{"id":"https://openalex.org/C1667742","wikidata":"https://www.wikidata.org/wiki/Q10927554","display_name":"Image retrieval","level":3,"score":0.5331225991249084},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5209380388259888},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5105642080307007},{"id":"https://openalex.org/C2910608164","wikidata":"https://www.wikidata.org/wiki/Q25671","display_name":"Quadruplets","level":4,"score":0.45992881059646606},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.4309402406215668},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38064587116241455},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3256112337112427},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3229596018791199},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.16448408365249634},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0573962926864624},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"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/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"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":2,"locations":[{"id":"doi:10.1109/icip.2004.1418776","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2004.1418776","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 International Conference on Image Processing, 2004. ICIP '04.","raw_type":"proceedings-article"},{"id":"pmh:oai:dsapce.library.iitb.ac.in:100/2925","is_oa":false,"landing_page_url":"http://dspace.library.iitb.ac.in/xmlui/handle/10054/16440","pdf_url":null,"source":{"id":"https://openalex.org/S4306400899","display_name":"DSpace (IIT Bombay)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I162827531","host_organization_name":"Indian Institute of Technology Bombay","host_organization_lineage":["https://openalex.org/I162827531"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Conference on Image Processing (ICIP 2004),Singapore, SINGAPORE,OCT 24-27, 2004","raw_type":"Proceedings Paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W159379614","https://openalex.org/W1582014558","https://openalex.org/W1980586251","https://openalex.org/W2045381533","https://openalex.org/W2068265540","https://openalex.org/W2078602589","https://openalex.org/W2082453965","https://openalex.org/W2136733886","https://openalex.org/W2914885528","https://openalex.org/W6634949996"],"related_works":["https://openalex.org/W2405349220","https://openalex.org/W2460818900","https://openalex.org/W2242452831","https://openalex.org/W2771384155","https://openalex.org/W1572437262","https://openalex.org/W2086778818","https://openalex.org/W1972123792","https://openalex.org/W2273070930","https://openalex.org/W3133008646","https://openalex.org/W2386007560"],"abstract_inverted_index":{"We":[0,31],"propose":[1],"an":[2],"image":[3],"retrieval":[4,64],"scheme":[5],"based":[6],"on":[7],"projectively":[8],"invariant":[9,16],"features.":[10],"Since":[11],"cross-ratio":[12,49],"is":[13,50,58,68],"the":[14,27,33,45,48,53,61],"fundamental":[15],"feature":[17,29,62],"under":[18],"projective":[19],"transformations":[20],"for":[21,63],"points,":[22],"we":[23],"use":[24],"that":[25],"as":[26,60],"basic":[28],"parameter.":[30],"compute":[32],"cross-ratios":[34],"of":[35,44,47],"point":[36],"sets":[37],"in":[38,71],"quadruplets":[39],"and":[40],"a":[41],"discrete":[42],"representation":[43],"distribution":[46,57],"obtained":[51],"from":[52],"computed":[54],"values.":[55],"The":[56,66],"used":[59],"purposes.":[65],"method":[67],"very":[69],"effective":[70],"retrieving":[72],"images,":[73],"like":[74],"buildings,":[75],"having":[76],"similar":[77],"planar":[78],"3D":[79],"structures.":[80]},"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}