{"id":"https://openalex.org/W2048717306","doi":"https://doi.org/10.1117/1.2804712","title":"Enlargement and reduction of image/video via discrete cosine transform pair, part 2: reduction","display_name":"Enlargement and reduction of image/video via discrete cosine transform pair, part 2: reduction","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2048717306","doi":"https://doi.org/10.1117/1.2804712","mag":"2048717306"},"language":"en","primary_location":{"id":"doi:10.1117/1.2804712","is_oa":false,"landing_page_url":"https://doi.org/10.1117/1.2804712","pdf_url":null,"source":{"id":"https://openalex.org/S158511090","display_name":"Journal of Electronic Imaging","issn_l":"1017-9909","issn":["1017-9909","1560-229X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electronic Imaging","raw_type":"journal-article"},"type":"article","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/A5101880209","display_name":"Shu\u2010Mei Guo","orcid":"https://orcid.org/0000-0001-6807-8427"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Shu-Mei Guo","raw_affiliation_strings":["National Cheng Kung Univ. (Taiwan)","National Cheng-Kung University,Department of Computer Science and Information Engineering,Tainan,Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Cheng Kung Univ. (Taiwan)","institution_ids":["https://openalex.org/I91807558"]},{"raw_affiliation_string":"National Cheng-Kung University,Department of Computer Science and Information Engineering,Tainan,Taiwan","institution_ids":["https://openalex.org/I91807558"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5101880209"],"corresponding_institution_ids":["https://openalex.org/I91807558"],"apc_list":null,"apc_paid":null,"fwci":0.6476,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.7112232,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"16","issue":"4","first_page":"043007","last_page":"043007"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9994999766349792,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9994999766349792,"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","score":0.9993000030517578,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9987999796867371,"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/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.9602195024490356},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6133096218109131},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.6033369898796082},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5892686247825623},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.51426762342453},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5033411383628845},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5018184185028076},{"id":"https://openalex.org/keywords/modified-discrete-cosine-transform","display_name":"Modified discrete cosine transform","score":0.4984152317047119},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.47848767042160034},{"id":"https://openalex.org/keywords/image-compression","display_name":"Image compression","score":0.45157143473625183},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4431866705417633},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.4363328218460083},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.4277094900608063},{"id":"https://openalex.org/keywords/lapped-transform","display_name":"Lapped transform","score":0.4210893511772156},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.34767985343933105}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.9602195024490356},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6133096218109131},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.6033369898796082},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5892686247825623},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.51426762342453},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5033411383628845},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5018184185028076},{"id":"https://openalex.org/C28726691","wikidata":"https://www.wikidata.org/wiki/Q1268231","display_name":"Modified discrete cosine transform","level":5,"score":0.4984152317047119},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.47848767042160034},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.45157143473625183},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4431866705417633},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.4363328218460083},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.4277094900608063},{"id":"https://openalex.org/C91458471","wikidata":"https://www.wikidata.org/wiki/Q17096468","display_name":"Lapped transform","level":5,"score":0.4210893511772156},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.34767985343933105},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/1.2804712","is_oa":false,"landing_page_url":"https://doi.org/10.1117/1.2804712","pdf_url":null,"source":{"id":"https://openalex.org/S158511090","display_name":"Journal of Electronic Imaging","issn_l":"1017-9909","issn":["1017-9909","1560-229X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electronic Imaging","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2017351926","https://openalex.org/W2042127890","https://openalex.org/W2048717306","https://openalex.org/W2099803555","https://openalex.org/W2116823175","https://openalex.org/W2124252144","https://openalex.org/W2131745743","https://openalex.org/W2143797118","https://openalex.org/W2149429443","https://openalex.org/W2153537702"],"related_works":["https://openalex.org/W2162505377","https://openalex.org/W2112852877","https://openalex.org/W2090071970","https://openalex.org/W2128618986","https://openalex.org/W2111266495","https://openalex.org/W2115252864","https://openalex.org/W2119239074","https://openalex.org/W2736872557","https://openalex.org/W2565123265","https://openalex.org/W2363607146"],"abstract_inverted_index":{"Based":[0],"on":[1],"the":[2,7,16,36,41],"novel":[3],"matrix":[4],"representations":[5],"of":[6,23,55,95],"forward":[8],"three-dimensional":[9],"(3-D)":[10],"discrete":[11],"cosine":[12],"transform":[13],"(DCT)":[14],"and":[15,34,59,68,98],"inverse":[17],"3-D":[18],"DCT,":[19],"applications":[20,78],"for":[21,93],"reduction":[22,37],"sequence/image/video":[24,29],"are":[25,48],"proposed.":[26],"The":[27,62],"original":[28],"is":[30,38],"divided":[31],"into":[32],"subunits,":[33],"then":[35],"implemented":[39],"in":[40,50,79],"frequency-domain":[42],"by":[43],"DCT.":[44],"Two":[45],"efficient":[46],"algorithms":[47,64],"presented":[49],"accordance":[51],"with":[52],"two":[53],"kinds":[54],"reducing":[56],"multiples,":[57],"1/s":[58],"o1/o2,":[60],"respectively.":[61],"proposed":[63,88],"significantly":[65],"eliminate":[66],"ripple":[67],"blocky":[69],"effects.":[70],"As":[71],"a":[72],"result,":[73],"they":[74],"can":[75],"provide":[76],"numerous":[77],"data":[80],"compression":[81],"as":[82,100],"well.":[83],"Simulation":[84],"results":[85],"show":[86],"that":[87],"mechanisms":[89],"enable":[90],"good":[91],"performances":[92],"reductions":[94],"sequences,":[96],"images,":[97],"videos":[99],"expected.":[101]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}