{"id":"https://openalex.org/A5108014455","orcid":"https://orcid.org/0000-0002-5951-807X","observed_orcids":["https://orcid.org/0000-0002-5951-807X"],"display_name":"Jeong-Tak Ryu","raw_author_names":["J. -T. Ryu","J. T. Ryu","J.-T Ryu","J.-T. Ryu","J.T Ryu","J.T. Ryu","Jeong T. Ryu","Jeong Tak Ryu","Jeong-Tak RYU","Jeong-Tak Ryu","\ub958\uc815\ud0c1"],"full_name":"Jeong-Tak Ryu","works_count":60,"cited_by_count":483,"summary_stats":{"2yr_mean_citedness":0.3333333333333333,"h_index":13,"i10_index":16},"ids":{"openalex":"https://openalex.org/A5108014455","orcid":"https://orcid.org/0000-0002-5951-807X","observed_orcids":["https://orcid.org/0000-0002-5951-807X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I206651237","ror":"https://ror.org/01red3556","display_name":"East Texas A&M University","country_code":"US","type":"education","lineage":["https://openalex.org/I206651237"]},"years":[2018]},{"institution":{"id":"https://openalex.org/I9323808","ror":"https://ror.org/01zqccq48","display_name":"Daegu University","country_code":"KR","type":"education","lineage":["https://openalex.org/I9323808"]},"years":[2025,2024,2023,2021,2019,2017,2016,2005,2004,2002,2000]},{"institution":{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]},"years":[2005,2004,2002,2001,2000,1999,1998,1997]}],"last_known_institutions":[{"id":"https://openalex.org/I9323808","ror":"https://ror.org/01zqccq48","display_name":"Daegu University","country_code":"KR","type":"education","lineage":["https://openalex.org/I9323808"]}],"topics":[{"id":"https://openalex.org/T13531","display_name":"Surface and Thin Film Phenomena","count":20,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11853","display_name":"Semiconductor materials and interfaces","count":19,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12285","display_name":"Surface Chemistry and Catalysis","count":14,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","count":6,"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/T11448","display_name":"Face recognition and analysis","count":5,"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"}}],"topic_share":[{"id":"https://openalex.org/T12285","display_name":"Surface Chemistry and Catalysis","value":9.09e-05,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13531","display_name":"Surface and Thin Film Phenomena","value":7.77e-05,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13579","display_name":"Image and Video Stabilization","value":5.78e-05,"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/T13535","display_name":"Wireless Sensor Networks and IoT","value":5.62e-05,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T12406","display_name":"IoT and GPS-based Vehicle Safety Systems","value":4.78e-05,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.8303067684173584},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.7331095933914185},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.600182831287384},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.5725740790367126},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.4144456386566162}],"counts_by_year":[{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":2,"cited_by_count":7},{"year":2013,"works_count":2,"oa_works_count":2,"cited_by_count":9},{"year":2014,"works_count":4,"oa_works_count":4,"cited_by_count":13},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":5},{"year":2016,"works_count":4,"oa_works_count":4,"cited_by_count":2},{"year":2017,"works_count":4,"oa_works_count":1,"cited_by_count":4},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2019,"works_count":3,"oa_works_count":1,"cited_by_count":15},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":32},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":15},{"year":2024,"works_count":2,"oa_works_count":0,"cited_by_count":16},{"year":2025,"works_count":1,"oa_works_count":0,"cited_by_count":18},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":9}],"display_name_alternatives":["J. -T. Ryu","J. T. Ryu","J.-T Ryu","J.-T. Ryu","J.T Ryu","J.T. Ryu","Jeong T. Ryu","Jeong Tak Ryu","Jeong-Tak RYU","Jeong-Tak Ryu","\ub958\uc815\ud0c1"],"block_key":"j ryu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5108014455","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5108014455","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}