{"id":"https://openalex.org/A5081365719","orcid":null,"observed_orcids":[],"display_name":"Sangjin Hahm","raw_author_names":["Sang Jin Hahm","Sang-Jin Hahm","Sangjin Hahm"],"full_name":"Sang-Jin Hahm","works_count":28,"cited_by_count":100,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":6,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5081365719","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4405286925","ror":"https://ror.org/03k2xab11","display_name":"Seoul Broadcasting System (South Korea)","country_code":"KR","type":"company","lineage":["https://openalex.org/I4405286925"]},"years":[2013,2012,2008]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","count":24,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11165","display_name":"Image and Video Quality Assessment","count":23,"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/T10901","display_name":"Advanced Data Compression Techniques","count":15,"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","count":7,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","count":2,"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/T11165","display_name":"Image and Video Quality Assessment","value":0.0001392,"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/T10741","display_name":"Video Coding and Compression Technologies","value":0.0001338,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10901","display_name":"Advanced Data Compression Techniques","value":6.19e-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/T13999","display_name":"Digital Rights Management and Security","value":4.15e-05,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","value":3.29e-05,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.8798418045043945},{"id":"179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","score":0.6957834959030151},{"id":"76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","score":0.6177324652671814},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.3039276599884033},{"id":"105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","score":0.231984943151474}],"counts_by_year":[{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":9,"oa_works_count":3,"cited_by_count":0},{"year":2008,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":3,"oa_works_count":1,"cited_by_count":4},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":11},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":5},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":7},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":11},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":6},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["Sang Jin Hahm","Sang-Jin Hahm","Sangjin Hahm"],"block_key":"s hahm","works_api_url":"https://api.openalex.org/works?filter=author.id:A5081365719","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}