{"id":"https://openalex.org/W1825419863","doi":"https://doi.org/10.1109/iscas.2003.1206309","title":"Normal Optical Flow chip","display_name":"Normal Optical Flow chip","publication_year":2003,"publication_date":"2003-11-04","ids":{"openalex":"https://openalex.org/W1825419863","doi":"https://doi.org/10.1109/iscas.2003.1206309","mag":"1825419863"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2003.1206309","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2003.1206309","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2003 International Symposium on Circuits and Systems, 2003. ISCAS '03.","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/A5084359907","display_name":"Swati Mehta","orcid":"https://orcid.org/0000-0002-7150-587X"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Mehta","raw_affiliation_strings":["Electrical and Computer Engineering Department, Johns Hopkins University, Baltimore, MD, USA","[Dept. of Electr. & Computer Eng., Johns Hopkins Univ., Baltimore, MD, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering Department, Johns Hopkins University, Baltimore, MD, USA","institution_ids":["https://openalex.org/I145311948"]},{"raw_affiliation_string":"[Dept. of Electr. & Computer Eng., Johns Hopkins Univ., Baltimore, MD, USA]","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037936459","display_name":"Ralph Etienne\u2010Cummings","orcid":"https://orcid.org/0000-0003-4445-973X"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. Etienne-Cummings","raw_affiliation_strings":["Electrical and Computer Engineering Department, Johns Hopkins University, Baltimore, MD, USA","[Dept. of Electr. & Computer Eng., Johns Hopkins Univ., Baltimore, MD, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering Department, Johns Hopkins University, Baltimore, MD, USA","institution_ids":["https://openalex.org/I145311948"]},{"raw_affiliation_string":"[Dept. of Electr. & Computer Eng., Johns Hopkins Univ., Baltimore, MD, USA]","institution_ids":["https://openalex.org/I145311948"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I145311948"],"apc_list":null,"apc_paid":null,"fwci":0.7051,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.66148555,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"IV","last_page":"784"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","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/T10531","display_name":"Advanced Vision and Imaging","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/T10540","display_name":"Advanced Fluorescence Microscopy Techniques","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9987000226974487,"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/chip","display_name":"Chip","score":0.8014113903045654},{"id":"https://openalex.org/keywords/very-large-scale-integration","display_name":"Very-large-scale integration","score":0.7483614683151245},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.637053906917572},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5803866386413574},{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.5719799995422363},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.5132334232330322},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.45355919003486633},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.45106273889541626},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3610302805900574},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3125285804271698},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.21392306685447693},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.21248245239257812},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2002352476119995},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16962134838104248},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.157812237739563},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1309426724910736},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.07911267876625061}],"concepts":[{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.8014113903045654},{"id":"https://openalex.org/C14580979","wikidata":"https://www.wikidata.org/wiki/Q876049","display_name":"Very-large-scale integration","level":2,"score":0.7483614683151245},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.637053906917572},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5803866386413574},{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.5719799995422363},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.5132334232330322},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.45355919003486633},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.45106273889541626},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3610302805900574},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3125285804271698},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.21392306685447693},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.21248245239257812},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2002352476119995},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16962134838104248},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.157812237739563},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1309426724910736},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.07911267876625061},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2003.1206309","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2003.1206309","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2003 International Symposium on Circuits and Systems, 2003. ISCAS '03.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.46000000834465027}],"awards":[],"funders":[{"id":"https://openalex.org/F4320337345","display_name":"Office of Naval Research","ror":"https://ror.org/00rk2pe57"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W70685169","https://openalex.org/W1578285471","https://openalex.org/W2039035555","https://openalex.org/W2106090292","https://openalex.org/W2108992228","https://openalex.org/W2109112709","https://openalex.org/W2117543255","https://openalex.org/W2134220376","https://openalex.org/W2138167888","https://openalex.org/W2148114554","https://openalex.org/W2751023760","https://openalex.org/W6602877202","https://openalex.org/W6677532850"],"related_works":["https://openalex.org/W3014521742","https://openalex.org/W4283025278","https://openalex.org/W2082432309","https://openalex.org/W2617868873","https://openalex.org/W817174743","https://openalex.org/W3204141294","https://openalex.org/W4254559750","https://openalex.org/W2050492524","https://openalex.org/W2998315020","https://openalex.org/W2098218272"],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"a":[3,54],"2-D":[4],"dense":[5],"Normal":[6],"Optical":[7],"Flow":[8],"estimation":[9],"algorithm":[10,26],"being":[11],"implemented":[12,47],"in":[13,48],"VLSI":[14],"which":[15],"combines":[16],"imaging":[17],"and":[18,34,36],"processing":[19],"on":[20],"the":[21],"same":[22],"chip":[23,46,62],"efficiently.":[24],"The":[25,45,61],"computes":[27],"partial":[28],"derivatives":[29],"with":[30],"respect":[31],"to":[32,40],"time":[33],"space":[35],"uses":[37],"their":[38],"ratio":[39],"compute":[41],"normal":[42],"flow":[43],"velocity.":[44],"0.5/spl":[49],"mu/m":[50],"CMOS":[51],"process":[52],"has":[53],"92/spl":[55],"times/52":[56],"array":[57],"of":[58,66],"APS":[59],"pixels.":[60],"occupies":[63],"an":[64],"area":[65],"4.5":[67],"mm/sup":[68],"2/.":[69]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}