{"id":"https://openalex.org/W3049255792","doi":"https://doi.org/10.1109/iwcit50667.2020.9163458","title":"The Information &amp; Mutual Information Ratio for Counting Image Features and Their Matches","display_name":"The Information &amp; Mutual Information Ratio for Counting Image Features and Their Matches","publication_year":2020,"publication_date":"2020-05-01","ids":{"openalex":"https://openalex.org/W3049255792","doi":"https://doi.org/10.1109/iwcit50667.2020.9163458","mag":"3049255792"},"language":"en","primary_location":{"id":"doi:10.1109/iwcit50667.2020.9163458","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwcit50667.2020.9163458","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 Iran Workshop on Communication and Information Theory (IWCIT)","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/A5078500747","display_name":"Ali Khajegili Mirabadi","orcid":"https://orcid.org/0000-0002-0489-6583"},"institutions":[{"id":"https://openalex.org/I170013655","display_name":"Isfahan University of Technology","ror":"https://ror.org/00af3sa43","country_code":"IR","type":"education","lineage":["https://openalex.org/I170013655"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Ali Khajegili Mirabadi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran","institution_ids":["https://openalex.org/I170013655"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067224441","display_name":"Stefano Rini","orcid":"https://orcid.org/0000-0003-1681-3316"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Stefano Rini","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National Chiao Tung University, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National Chiao Tung University, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0854,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.32057845,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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":0.9998000264167786,"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":0.9998000264167786,"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":0.9991000294685364,"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/T11605","display_name":"Visual Attention and Saliency Detection","score":0.9923999905586243,"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/mutual-information","display_name":"Mutual information","score":0.8865848183631897},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6862955093383789},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6677517890930176},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5949753522872925},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5923773646354675},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.5640463829040527},{"id":"https://openalex.org/keywords/affine-transformation","display_name":"Affine transformation","score":0.5508015751838684},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5284566283226013},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5266492366790771},{"id":"https://openalex.org/keywords/image-stitching","display_name":"Image stitching","score":0.5230851173400879},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5169445872306824},{"id":"https://openalex.org/keywords/feature-detection","display_name":"Feature detection (computer vision)","score":0.4756062626838684},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.4621734023094177},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4242377281188965},{"id":"https://openalex.org/keywords/image-registration","display_name":"Image registration","score":0.41965538263320923},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3420508801937103},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.278138667345047},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23663905262947083}],"concepts":[{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.8865848183631897},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6862955093383789},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6677517890930176},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5949753522872925},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5923773646354675},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.5640463829040527},{"id":"https://openalex.org/C92757383","wikidata":"https://www.wikidata.org/wiki/Q382497","display_name":"Affine transformation","level":2,"score":0.5508015751838684},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5284566283226013},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5266492366790771},{"id":"https://openalex.org/C29081049","wikidata":"https://www.wikidata.org/wiki/Q1364242","display_name":"Image stitching","level":2,"score":0.5230851173400879},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5169445872306824},{"id":"https://openalex.org/C126422989","wikidata":"https://www.wikidata.org/wiki/Q93586","display_name":"Feature detection (computer vision)","level":4,"score":0.4756062626838684},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.4621734023094177},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4242377281188965},{"id":"https://openalex.org/C166704113","wikidata":"https://www.wikidata.org/wiki/Q861092","display_name":"Image registration","level":3,"score":0.41965538263320923},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3420508801937103},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.278138667345047},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23663905262947083},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iwcit50667.2020.9163458","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwcit50667.2020.9163458","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 Iran Workshop on Communication and Information Theory (IWCIT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1509828380","https://openalex.org/W1532362218","https://openalex.org/W1699734612","https://openalex.org/W1967336115","https://openalex.org/W1995875735","https://openalex.org/W2117228865","https://openalex.org/W2119605622","https://openalex.org/W2140594263","https://openalex.org/W2152032596","https://openalex.org/W2164901293","https://openalex.org/W2170282673","https://openalex.org/W2408307392","https://openalex.org/W2913429812","https://openalex.org/W6759057345"],"related_works":["https://openalex.org/W2426195296","https://openalex.org/W2921444395","https://openalex.org/W1970834875","https://openalex.org/W2367847708","https://openalex.org/W2135643201","https://openalex.org/W2370810807","https://openalex.org/W2368895820","https://openalex.org/W2156531368","https://openalex.org/W2387425358","https://openalex.org/W2542788974"],"abstract_inverted_index":{"Feature":[0],"extraction":[1,141],"and":[2,28,46,78,81,117,123,146,164],"description":[3],"is":[4,13,54,137],"an":[5,86,97],"important":[6],"topic":[7],"of":[8,17,20,57,93,96,107,114,134,161],"computer":[9,168],"vision,":[10],"as":[11,23,90],"it":[12],"the":[14,42,47,62,76,79,91,94,101,105,108,112,115,120,132,150,159,162],"starting":[15],"point":[16],"a":[18,55,58],"number":[19],"tasks":[21],"such":[22],"image":[24,38,121],"reconstruction,":[25],"stitching,":[26],"registration,":[27],"recognition":[29],"among":[30],"many":[31],"others.":[32],"In":[33],"this":[34],"paper,":[35],"two":[36,68],"new":[37],"features":[39,65,84,136],"are":[40,129],"proposed:":[41],"Information":[43,49],"Ratio":[44,50],"(IR)":[45],"Mutual":[48],"(MIR).":[51],"The":[52],"IR":[53,77,116,163],"feature":[56,140,147],"single":[59],"image,":[60],"while":[61],"MIR":[63,80,118,165],"describes":[64],"common":[66],"across":[67],"or":[69],"more":[70],"images.":[71],"We":[72],"begin":[73],"by":[74],"introducing":[75],"motivate":[82],"these":[83,135],"in":[85,166],"information":[87,102,127],"theoretical":[88],"context":[89],"ratio":[92],"self-information":[95],"intensity":[98],"level":[99],"over":[100,104,142,149],"contained":[103],"pixels":[106],"same":[109],"intensity.":[110],"Notably,":[111],"relationship":[113],"with":[119],"entropy":[122],"mutual":[124],"information,":[125],"classic":[126],"measures,":[128],"discussed.":[130],"Finally,":[131],"effectiveness":[133],"tested":[138],"through":[139],"INRIA":[143],"Copydays":[144],"datasets":[145],"matching":[148],"Oxford's":[151],"Affine":[152],"Covariant":[153],"Regions.":[154],"These":[155],"numerical":[156],"evaluations":[157],"validate":[158],"relevance":[160],"practical":[167],"vision":[169],"tasks.":[170]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
