{"id":"https://openalex.org/W2141985004","doi":"https://doi.org/10.1117/1.2194480","title":"Entropy classification and discrete-cosine-transform-based image indexing system","display_name":"Entropy classification and discrete-cosine-transform-based image indexing system","publication_year":2006,"publication_date":"2006-04-01","ids":{"openalex":"https://openalex.org/W2141985004","doi":"https://doi.org/10.1117/1.2194480","mag":"2141985004"},"language":"en","primary_location":{"id":"doi:10.1117/1.2194480","is_oa":false,"landing_page_url":"https://doi.org/10.1117/1.2194480","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/A5073637800","display_name":"Je-Hung Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Je-Hung Liu","raw_affiliation_strings":["Leader Univ. (Taiwan)","Leader University,Institute of Applied Information, No. 188 Sec.5 An-Chung Road, Tainan, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Leader Univ. (Taiwan)","institution_ids":[]},{"raw_affiliation_string":"Leader University,Institute of Applied Information, No. 188 Sec.5 An-Chung Road, Tainan, Taiwan","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5073637800"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1815382,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"15","issue":"2","first_page":"023019","last_page":"023019"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification Techniques","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/T10824","display_name":"Image Retrieval and Classification Techniques","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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9970999956130981,"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/T11439","display_name":"Video Analysis and Summarization","score":0.9836999773979187,"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":0.8220891952514648},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.7888302803039551},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7710439562797546},{"id":"https://openalex.org/keywords/image-retrieval","display_name":"Image retrieval","score":0.6204958558082581},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5625891089439392},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.5365123748779297},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.5340821743011475},{"id":"https://openalex.org/keywords/content-based-image-retrieval","display_name":"Content-based image retrieval","score":0.48052605986595154},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.39727988839149475},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3903319537639618},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.36781764030456543},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.34356409311294556},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.16756397485733032}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.8220891952514648},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.7888302803039551},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7710439562797546},{"id":"https://openalex.org/C1667742","wikidata":"https://www.wikidata.org/wiki/Q10927554","display_name":"Image retrieval","level":3,"score":0.6204958558082581},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5625891089439392},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.5365123748779297},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.5340821743011475},{"id":"https://openalex.org/C2780052074","wikidata":"https://www.wikidata.org/wiki/Q1128648","display_name":"Content-based image retrieval","level":4,"score":0.48052605986595154},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.39727988839149475},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3903319537639618},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.36781764030456543},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.34356409311294556},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.16756397485733032},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/1.2194480","is_oa":false,"landing_page_url":"https://doi.org/10.1117/1.2194480","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":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.8199999928474426}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321040","display_name":"National Science Council","ror":"https://ror.org/02kv4zf79"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1988324357","https://openalex.org/W1992031847","https://openalex.org/W2080362491","https://openalex.org/W2100871152","https://openalex.org/W2123946402","https://openalex.org/W2126579249","https://openalex.org/W2138362044","https://openalex.org/W2140706129","https://openalex.org/W2154204736","https://openalex.org/W2159790397","https://openalex.org/W2165468428","https://openalex.org/W2177516272"],"related_works":["https://openalex.org/W2900811989","https://openalex.org/W2746816529","https://openalex.org/W2341223103","https://openalex.org/W2024252608","https://openalex.org/W2905186525","https://openalex.org/W1499339903","https://openalex.org/W2044706866","https://openalex.org/W2031096531","https://openalex.org/W4367727948","https://openalex.org/W3198880640"],"abstract_inverted_index":{"With":[0],"the":[1,25,36,42,52,80,109,116,121,128,159],"rapid":[2],"growth":[3],"of":[4,24,56,130,166],"multimedia":[5,10,26],"technology,":[6],"more":[7,9],"and":[8,54,169],"content":[11,48,92],"is":[12,22,49,66,83,142,161],"disseminated":[13],"in":[14,18,108,164],"networks":[15],"or":[16,31,38],"stored":[17],"databases.":[19,40],"Image":[20],"data":[21],"one":[23],"types":[27],"to":[28,105,119,132,146,149,155],"be":[29],"seen":[30],"accessed":[32],"by":[33,45],"users":[34],"on":[35,62],"Internet":[37],"from":[39],"Searching":[41],"related":[43],"images":[44,107],"querying":[46],"image":[47,58,63,75],"helpful":[50],"for":[51],"management":[53],"usage":[55],"an":[57,67,72],"database.":[59],"Therefore,":[60],"research":[61],"indexing":[64,140],"techniques":[65],"important":[68],"topic.":[69],"We":[70],"propose":[71],"efficient":[73,163],"content-based":[74],"retrieval":[76],"(CBIR)":[77],"system.":[78],"Basically,":[79],"proposed":[81,125],"method":[82,101],"a":[84,170],"discrete":[85],"cosine":[86],"transform":[87],"(DCT)-coefficient-based":[88],"technique":[89],"that":[90,112],"extracts":[91],"features":[93],"using":[94],"some":[95],"DCT":[96],"coefficients.":[97],"In":[98],"addition,":[99],"our":[100,156],"also":[102],"uses":[103],"entropy":[104],"classify":[106],"database":[110],"so":[111],"it":[113],"can":[114],"reduce":[115],"search":[117],"space":[118],"decrease":[120],"processing":[122,171],"time.":[123],"The":[124,139],"system":[126,160],"has":[127],"property":[129],"robustness":[131],"rotation,":[133],"translation,":[134],"cropping,":[135],"noise":[136],"corruption,":[137],"etc.":[138],"time":[141],"only":[143],"about":[144],"4":[145],"10%":[147],"compared":[148],"most":[150],"recently":[151],"published":[152],"results.":[153],"According":[154],"experiment":[157],"results,":[158],"highly":[162],"terms":[165],"robustness,":[167],"precision,":[168],"speed.":[172]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
