{"id":"https://openalex.org/W2018054680","doi":"https://doi.org/10.1155/2008/417915","title":"Estimation of Subpixel Motion Using Bispectrum","display_name":"Estimation of Subpixel Motion Using Bispectrum","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W2018054680","doi":"https://doi.org/10.1155/2008/417915","mag":"2018054680"},"language":"en","primary_location":{"id":"doi:10.1155/2008/417915","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/417915","pdf_url":"https://downloads.hindawi.com/journals/jece/2008/417915.pdf","source":{"id":"https://openalex.org/S174662166","display_name":"Journal of Electrical and Computer Engineering","issn_l":"2090-0147","issn":["2090-0147","2090-0155"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electrical and Computer Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://downloads.hindawi.com/journals/jece/2008/417915.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5091549534","display_name":"El Mehdi Ismaili Aalaoui","orcid":null},"institutions":[{"id":"https://openalex.org/I126477371","display_name":"Mohammed V University","ror":"https://ror.org/00r8w8f84","country_code":"MA","type":"education","lineage":["https://openalex.org/I126477371"]},{"id":"https://openalex.org/I4210153527","display_name":"Institut National des Postes et T\u00e9l\u00e9communications","ror":"https://ror.org/052bnvt46","country_code":"MA","type":"education","lineage":["https://openalex.org/I4210153527","https://openalex.org/I4210167103"]}],"countries":["MA"],"is_corresponding":true,"raw_author_name":"El Mehdi Ismaili Aalaoui","raw_affiliation_strings":["Facult\u00e9 des Sciences de Rabat, Universit\u00e9 Mohammed V Agdal, 4 Avenue Ibn Battouta, B.P. 1014 RP, Rabat","Institut National des Postes et T\u00e9l\u00e9communication, Madinat Al Irfane, Rabat"],"affiliations":[{"raw_affiliation_string":"Facult\u00e9 des Sciences de Rabat, Universit\u00e9 Mohammed V Agdal, 4 Avenue Ibn Battouta, B.P. 1014 RP, Rabat","institution_ids":["https://openalex.org/I126477371"]},{"raw_affiliation_string":"Institut National des Postes et T\u00e9l\u00e9communication, Madinat Al Irfane, Rabat","institution_ids":["https://openalex.org/I4210153527"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111841234","display_name":"Elhassane Ibn-Elhaj","orcid":null},"institutions":[{"id":"https://openalex.org/I4210153527","display_name":"Institut National des Postes et T\u00e9l\u00e9communications","ror":"https://ror.org/052bnvt46","country_code":"MA","type":"education","lineage":["https://openalex.org/I4210153527","https://openalex.org/I4210167103"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Elhassane Ibn-Elhaj","raw_affiliation_strings":["Institut National des Postes et Tlcommunication, Madinat Al Irfane, Rabat, Morocco","Institut National des Postes et T\u00e9l\u00e9communication, Madinat Al Irfane, Rabat"],"affiliations":[{"raw_affiliation_string":"Institut National des Postes et Tlcommunication, Madinat Al Irfane, Rabat, Morocco","institution_ids":["https://openalex.org/I4210153527"]},{"raw_affiliation_string":"Institut National des Postes et T\u00e9l\u00e9communication, Madinat Al Irfane, Rabat","institution_ids":["https://openalex.org/I4210153527"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5091549534"],"corresponding_institution_ids":["https://openalex.org/I126477371","https://openalex.org/I4210153527"],"apc_list":{"value":1400,"currency":"USD","value_usd":1400},"apc_paid":{"value":1400,"currency":"USD","value_usd":1400},"fwci":0.7465,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.70198191,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2008","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9995999932289124,"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"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9995999932289124,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9991000294685364,"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.9990000128746033,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/subpixel-rendering","display_name":"Subpixel rendering","score":0.9568933248519897},{"id":"https://openalex.org/keywords/bispectrum","display_name":"Bispectrum","score":0.9492053389549255},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6603749394416809},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.6451098918914795},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6178792715072632},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5340831279754639},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5233392119407654},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5027041435241699},{"id":"https://openalex.org/keywords/quarter-pixel-motion","display_name":"Quarter-pixel motion","score":0.49513331055641174},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.484264075756073},{"id":"https://openalex.org/keywords/bicoherence","display_name":"Bicoherence","score":0.46537086367607117},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4571293890476227},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.43580305576324463},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.42381662130355835},{"id":"https://openalex.org/keywords/aliasing","display_name":"Aliasing","score":0.42069464921951294},{"id":"https://openalex.org/keywords/spectral-density","display_name":"Spectral density","score":0.12173470854759216},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08483001589775085}],"concepts":[{"id":"https://openalex.org/C68516990","wikidata":"https://www.wikidata.org/wiki/Q452912","display_name":"Subpixel rendering","level":3,"score":0.9568933248519897},{"id":"https://openalex.org/C114148568","wikidata":"https://www.wikidata.org/wiki/Q2410583","display_name":"Bispectrum","level":3,"score":0.9492053389549255},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6603749394416809},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.6451098918914795},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6178792715072632},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5340831279754639},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5233392119407654},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5027041435241699},{"id":"https://openalex.org/C174493125","wikidata":"https://www.wikidata.org/wiki/Q1073461","display_name":"Quarter-pixel motion","level":3,"score":0.49513331055641174},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.484264075756073},{"id":"https://openalex.org/C160354207","wikidata":"https://www.wikidata.org/wiki/Q4903705","display_name":"Bicoherence","level":4,"score":0.46537086367607117},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4571293890476227},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.43580305576324463},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.42381662130355835},{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.42069464921951294},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.12173470854759216},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08483001589775085},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C136536468","wikidata":"https://www.wikidata.org/wiki/Q1225894","display_name":"Undersampling","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1155/2008/417915","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/417915","pdf_url":"https://downloads.hindawi.com/journals/jece/2008/417915.pdf","source":{"id":"https://openalex.org/S174662166","display_name":"Journal of Electrical and Computer Engineering","issn_l":"2090-0147","issn":["2090-0147","2090-0155"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electrical and Computer Engineering","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1155/2008/417915","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/417915","pdf_url":"https://downloads.hindawi.com/journals/jece/2008/417915.pdf","source":{"id":"https://openalex.org/S174662166","display_name":"Journal of Electrical and Computer Engineering","issn_l":"2090-0147","issn":["2090-0147","2090-0155"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electrical and Computer Engineering","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2018054680.pdf","grobid_xml":"https://content.openalex.org/works/W2018054680.grobid-xml"},"referenced_works_count":13,"referenced_works":["https://openalex.org/W1572919062","https://openalex.org/W1964812429","https://openalex.org/W1987536268","https://openalex.org/W2028027355","https://openalex.org/W2062321228","https://openalex.org/W2093053584","https://openalex.org/W2100838965","https://openalex.org/W2107780255","https://openalex.org/W2109528773","https://openalex.org/W2125785383","https://openalex.org/W2138219528","https://openalex.org/W2533689505","https://openalex.org/W2544457707"],"related_works":["https://openalex.org/W2362069399","https://openalex.org/W2122830376","https://openalex.org/W2606427807","https://openalex.org/W2351697439","https://openalex.org/W349033412","https://openalex.org/W4372279355","https://openalex.org/W1992884519","https://openalex.org/W2541590806","https://openalex.org/W2434000973","https://openalex.org/W2131656956"],"abstract_inverted_index":{"Motion":[0],"estimation":[1,18,70],"techniques":[2,14,38],"are":[3,15,29],"widely":[4],"used":[5,13],"in":[6],"today\u2032s":[7],"video":[8],"processing":[9],"systems.":[10],"The":[11],"frequently":[12],"frequency\u2010domain":[16],"motion":[17,69],"methods,":[19],"most":[20],"notably":[21],"phase":[22],"correlation":[23],"(PC).":[24],"If":[25],"the":[26,57,64],"image":[27,73],"frames":[28],"corrupted":[30],"by":[31],"Gaussian":[32],"noises,":[33],"then":[34],"cross\u2010correlation":[35],"and":[36],"related":[37],"do":[39],"not":[40],"work":[41],"well.":[42],"In":[43],"this":[44,50],"paper,":[45],"however,":[46],"we":[47],"have":[48],"studied":[49],"topic":[51],"from":[52,56],"a":[53],"viewpoint":[54],"different":[55],"above.":[58],"Our":[59],"scheme":[60],"is":[61],"based":[62],"on":[63],"bispectrum":[65],"method":[66,81],"for":[67],"sub\u2010pixel":[68],"of":[71],"noisy":[72],"sequences.":[74],"Experimental":[75],"results":[76],"show":[77],"that":[78],"our":[79],"proposed":[80],"performs":[82],"significantly":[83],"better":[84],"than":[85],"PC":[86],"technique.":[87]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}