{"id":"https://openalex.org/A5026470632","orcid":"https://orcid.org/0000-0001-6960-0117","observed_orcids":["https://orcid.org/0000-0001-6960-0117"],"display_name":"Kai Ma","raw_author_names":["K. Ma","Kai Ma","Kai Ma (550768)","Ma Kai"],"full_name":"Kai Ma (550768)","works_count":24,"cited_by_count":86,"summary_stats":{"2yr_mean_citedness":2.3333333333333335,"h_index":6,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5026470632","orcid":"https://orcid.org/0000-0001-6960-0117","observed_orcids":["https://orcid.org/0000-0001-6960-0117"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1297971548","ror":"https://ror.org/01ewh7m12","display_name":"International Computer Science Institute","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1297971548"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I170215575","ror":"https://ror.org/05d2yfz11","display_name":"National University of Defense Technology","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]},"years":[2020,2017]},{"institution":{"id":"https://openalex.org/I194450716","ror":"https://ror.org/00js3aw79","display_name":"Jilin University","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I200845125","ror":"https://ror.org/02y0rxk19","display_name":"Nanjing University of Information Science and Technology","country_code":"CN","type":"education","lineage":["https://openalex.org/I200845125"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I28813325","ror":"https://ror.org/03je71k37","display_name":"Civil Aviation University of China","country_code":"CN","type":"education","lineage":["https://openalex.org/I28813325"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I39422238","ror":"https://ror.org/02mpq6x41","display_name":"University of Illinois Chicago","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]},"years":[2014,2012]},{"institution":{"id":"https://openalex.org/I4210164796","ror":"https://ror.org/05tt6m403","display_name":"Nanjing Polytechnic Institute","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210164796"]},"years":[2025,2019]},{"institution":{"id":"https://openalex.org/I4387155616","ror":"https://ror.org/0585bz443","display_name":"PLA Navy Submarine Academy","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210160531","https://openalex.org/I4387155616"]},"years":[2024,2021]},{"institution":{"id":"https://openalex.org/I4401200389","ror":"https://ror.org/014c1mf08","display_name":"Dalian Naval Academy","country_code":"CN","type":"education","lineage":["https://openalex.org/I4401200389"]},"years":[2018,2017]},{"institution":{"id":"https://openalex.org/I4405272046","ror":"https://ror.org/03fsc3516","display_name":"State Grid Jilin Electric Power (China)","country_code":"CN","type":"company","lineage":["https://openalex.org/I4405272046"]},"years":[2025]}],"last_known_institutions":[{"id":"https://openalex.org/I4210164796","ror":"https://ror.org/05tt6m403","display_name":"Nanjing Polytechnic Institute","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210164796"]},{"id":"https://openalex.org/I4405272046","ror":"https://ror.org/03fsc3516","display_name":"State Grid Jilin Electric Power (China)","country_code":"CN","type":"company","lineage":["https://openalex.org/I4405272046"]}],"topics":[{"id":"https://openalex.org/T11019","display_name":"Image Enhancement Techniques","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"}},{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval Techniques","count":4,"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/T10688","display_name":"Image and Signal Denoising Methods","count":4,"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/T11105","display_name":"Advanced Image Processing Techniques","count":4,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","count":4,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12131","display_name":"Wireless Signal Modulation Classification","value":4.63e-05,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11019","display_name":"Image Enhancement Techniques","value":3.02e-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/T11105","display_name":"Advanced Image Processing Techniques","value":2.95e-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/T11192","display_name":"Underwater Vehicles and Communication Systems","value":2.49e-05,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","value":2.31e-05,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"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":0.8651019334793091},{"id":"154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","score":0.8266013860702515},{"id":"11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","score":0.6632053852081299},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.5428379774093628},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.2615935206413269}],"counts_by_year":[{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2014,"works_count":2,"oa_works_count":0,"cited_by_count":5},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2017,"works_count":10,"oa_works_count":2,"cited_by_count":2},{"year":2018,"works_count":2,"oa_works_count":1,"cited_by_count":3},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":5},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":8},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":4},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":13},{"year":2025,"works_count":2,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["K. Ma","Kai Ma","Kai Ma (550768)","Ma Kai"],"block_key":"k ma","works_api_url":"https://api.openalex.org/works?filter=author.id:A5026470632","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5026470632","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}