{"id":"https://openalex.org/W1528171217","doi":"https://doi.org/10.1109/iscas.2006.1692932","title":"Fast video coding based on Gaussian model of DCT coefficients","display_name":"Fast video coding based on Gaussian model of DCT coefficients","publication_year":2006,"publication_date":"2006-09-22","ids":{"openalex":"https://openalex.org/W1528171217","doi":"https://doi.org/10.1109/iscas.2006.1692932","mag":"1528171217"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2006.1692932","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2006.1692932","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"},"type":"conference-paper","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/A5058982350","display_name":"Hanli Wang","orcid":"https://orcid.org/0000-0002-9999-4871"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hanli Wang","raw_affiliation_strings":["Department of Computer Science, City University of Hong Kong, Hong Kong, China","Department of Computer Science|City University of Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, City University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Computer Science|City University of Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008386708","display_name":"Sam Kwong","orcid":"https://orcid.org/0000-0001-7484-7261"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Sam Kwong","raw_affiliation_strings":["Department of Computer Science, City University of Hong Kong, Hong Kong, China","Department of Computer Science|City University of Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, City University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I168719708"]},{"raw_affiliation_string":"Department of Computer Science|City University of Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027630355","display_name":"Chi\u2010Wah Kok","orcid":"https://orcid.org/0000-0002-0751-8959"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]},{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chi-Wah Kok","raw_affiliation_strings":["Department of Electrical and Electronic Engineerin, Hong Kong University of Science and Technology, Hong Kong, China","Department of Computer Science|City University of Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineerin, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Department of Computer Science|City University of Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9998999834060669,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9998999834060669,"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","score":0.9998000264167786,"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","score":0.9976999759674072,"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":0.9360335469245911},{"id":"https://openalex.org/keywords/trellis-quantization","display_name":"Trellis quantization","score":0.6754487752914429},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.6584904193878174},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6461468935012817},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6171469688415527},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5889378190040588},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5372248888015747},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.4558221101760864},{"id":"https://openalex.org/keywords/inverse","display_name":"Inverse","score":0.45148640871047974},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.42620497941970825},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3577932119369507},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.29351916909217834},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27917516231536865},{"id":"https://openalex.org/keywords/image-compression","display_name":"Image compression","score":0.1701372265815735},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.16410160064697266},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11116358637809753}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.9360335469245911},{"id":"https://openalex.org/C5317259","wikidata":"https://www.wikidata.org/wiki/Q4462361","display_name":"Trellis quantization","level":5,"score":0.6754487752914429},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.6584904193878174},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6461468935012817},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6171469688415527},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5889378190040588},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5372248888015747},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.4558221101760864},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.45148640871047974},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.42620497941970825},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3577932119369507},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.29351916909217834},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27917516231536865},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.1701372265815735},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.16410160064697266},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11116358637809753},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/iscas.2006.1692932","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2006.1692932","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.677.8466","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.677.8466","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.tongji.edu.cn/%7Ehanliwang/papers/C4_ISCAS06_8GM.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1961285562","https://openalex.org/W1978671604","https://openalex.org/W2026042272","https://openalex.org/W2047215160","https://openalex.org/W2109974566","https://openalex.org/W2112406865","https://openalex.org/W2121882728","https://openalex.org/W2127295759","https://openalex.org/W2142374379","https://openalex.org/W2168494498","https://openalex.org/W2972281954","https://openalex.org/W4212783130"],"related_works":["https://openalex.org/W2138957216","https://openalex.org/W2146506178","https://openalex.org/W1606642682","https://openalex.org/W2126453694","https://openalex.org/W2013826620","https://openalex.org/W2154651298","https://openalex.org/W2068397735","https://openalex.org/W1706111048","https://openalex.org/W3127469205","https://openalex.org/W1666618243"],"abstract_inverted_index":{"Discrete":[0],"cosine":[1],"transform":[2],"(DCT),":[3],"quantization":[4,7],"(Q),":[5],"inverse":[6,10],"(IQ)":[8],"and":[9,33],"DCT":[11,53],"(IDCT)":[12],"are":[13,25],"the":[14,29,61,74,76,81,90,104],"building":[15],"blocks":[16],"in":[17,56,73,98],"video":[18,65,110],"coding":[19],"standards.":[20],"A":[21],"lot":[22],"of":[23,64,100,106,109],"computations":[24],"required":[26],"to":[27,49,59,96],"perform":[28],"DCT,":[30],"Q,":[31],"IQ,":[32],"IDCT":[34],"operations.":[35],"With":[36],"this":[37,57],"concern,":[38],"a":[39],"novel":[40],"statistical":[41,92],"model":[42,78,93],"based":[43],"on":[44],"Gaussian":[45],"distribution":[46],"is":[47,94],"proposed":[48,77,91],"predict":[50],"zero":[51],"quantized":[52],"(ZQDCT)":[54],"coefficients":[55],"paper":[58],"reduce":[60],"computational":[62],"complexity":[63],"encoding.":[66],"Compared":[67],"with":[68],"other":[69],"widely":[70],"used":[71],"models":[72],"literature,":[75],"can":[79],"achieve":[80],"best":[82],"real":[83],"time":[84],"performance.":[85],"Experimental":[86],"results":[87],"demonstrate":[88],"that":[89],"superior":[95],"others":[97],"terms":[99],"processing":[101],"speed":[102],"at":[103],"expense":[105],"negligible":[107],"degradation":[108],"quality.":[111]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":3}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}