{"id":"https://openalex.org/W2607445598","doi":"https://doi.org/10.1109/isivc.2016.7893975","title":"Quaternion DISC-harmonic moments based on healpix sampling for fast 2D colour shape retrieval","display_name":"Quaternion DISC-harmonic moments based on healpix sampling for fast 2D colour shape retrieval","publication_year":2016,"publication_date":"2016-01-01","ids":{"openalex":"https://openalex.org/W2607445598","doi":"https://doi.org/10.1109/isivc.2016.7893975","mag":"2607445598"},"language":"en","primary_location":{"id":"doi:10.1109/isivc.2016.7893975","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isivc.2016.7893975","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 International Symposium on Signal, Image, Video and Communications (ISIVC)","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/A5002552150","display_name":"Nisrine Dad","orcid":"https://orcid.org/0000-0003-3141-2983"},"institutions":[{"id":"https://openalex.org/I81605866","display_name":"Sidi Mohamed Ben Abdellah University","ror":"https://ror.org/04efg9a07","country_code":"MA","type":"education","lineage":["https://openalex.org/I81605866"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Nisrine Dad","raw_affiliation_strings":["Sciences Faculty Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sciences Faculty Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez, Morocco","institution_ids":["https://openalex.org/I81605866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004210985","display_name":"Noureddine En-Nahnahi","orcid":"https://orcid.org/0000-0003-1641-1501"},"institutions":[{"id":"https://openalex.org/I81605866","display_name":"Sidi Mohamed Ben Abdellah University","ror":"https://ror.org/04efg9a07","country_code":"MA","type":"education","lineage":["https://openalex.org/I81605866"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Noureddine Ennahnahi","raw_affiliation_strings":["Sciences Faculty Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sciences Faculty Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez, Morocco","institution_ids":["https://openalex.org/I81605866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084532237","display_name":"Sa\u00efd Ouatik El Alaoui","orcid":"https://orcid.org/0000-0003-1194-0578"},"institutions":[{"id":"https://openalex.org/I81605866","display_name":"Sidi Mohamed Ben Abdellah University","ror":"https://ror.org/04efg9a07","country_code":"MA","type":"education","lineage":["https://openalex.org/I81605866"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Said ElAlaoui Ouatik","raw_affiliation_strings":["LIM Laboratory, Sciences Faculty Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LIM Laboratory, Sciences Faculty Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez, Morocco","institution_ids":["https://openalex.org/I81605866"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033462234","display_name":"Mohammed Oumsis","orcid":"https://orcid.org/0000-0003-2011-119X"},"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"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Mohammed Oumsis","raw_affiliation_strings":["High School of Technology-Sale, Mohammed V-Agdal University, Rabat, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"High School of Technology-Sale, Mohammed V-Agdal University, Rabat, Morocco","institution_ids":["https://openalex.org/I126477371"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2013,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.59611543,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"57","issue":null,"first_page":"131","last_page":"136"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9998999834060669,"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/T10824","display_name":"Image Retrieval and Classification 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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9983999729156494,"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9638000130653381,"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/quaternion","display_name":"Quaternion","score":0.7976839542388916},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.671543538570404},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6562674641609192},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5308685302734375},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.5174787044525146},{"id":"https://openalex.org/keywords/harmonics","display_name":"Harmonics","score":0.48988503217697144},{"id":"https://openalex.org/keywords/harmonic-analysis","display_name":"Harmonic analysis","score":0.45539113879203796},{"id":"https://openalex.org/keywords/harmonic","display_name":"Harmonic","score":0.4159150719642639},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4006041884422302},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.24068555235862732},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23309141397476196},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.10348263382911682},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.07906791567802429},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07793387770652771}],"concepts":[{"id":"https://openalex.org/C200127275","wikidata":"https://www.wikidata.org/wiki/Q173853","display_name":"Quaternion","level":2,"score":0.7976839542388916},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.671543538570404},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6562674641609192},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5308685302734375},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.5174787044525146},{"id":"https://openalex.org/C188414643","wikidata":"https://www.wikidata.org/wiki/Q3001183","display_name":"Harmonics","level":3,"score":0.48988503217697144},{"id":"https://openalex.org/C131770355","wikidata":"https://www.wikidata.org/wiki/Q876215","display_name":"Harmonic analysis","level":2,"score":0.45539113879203796},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.4159150719642639},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4006041884422302},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.24068555235862732},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23309141397476196},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.10348263382911682},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.07906791567802429},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07793387770652771},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","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},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isivc.2016.7893975","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isivc.2016.7893975","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 International Symposium on Signal, Image, Video and Communications (ISIVC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W191001584","https://openalex.org/W1976579441","https://openalex.org/W1987129039","https://openalex.org/W1996040242","https://openalex.org/W1998242976","https://openalex.org/W1998504113","https://openalex.org/W1999971988","https://openalex.org/W2005691078","https://openalex.org/W2041398628","https://openalex.org/W2045145094","https://openalex.org/W2046330884","https://openalex.org/W2074313124","https://openalex.org/W2115667695","https://openalex.org/W2118376687","https://openalex.org/W2141945738","https://openalex.org/W2145862222","https://openalex.org/W2168501771","https://openalex.org/W2353101703","https://openalex.org/W6649593353"],"related_works":["https://openalex.org/W1579696083","https://openalex.org/W2026048727","https://openalex.org/W2525517395","https://openalex.org/W4206226528","https://openalex.org/W2367352519","https://openalex.org/W2258541532","https://openalex.org/W94697941","https://openalex.org/W2131300395","https://openalex.org/W2537185385","https://openalex.org/W2004163324"],"abstract_inverted_index":{"In":[0],"this":[1,129],"paper,":[2],"we":[3,112],"present":[4],"an":[5],"efficient":[6],"improvement":[7,111],"of":[8,27,44,57,60,72,76,78,94,102,121],"our":[9],"colour":[10,139],"shape":[11],"descriptor,":[12],"QDHMs,":[13],"which":[14],"is":[15,40,46,114],"based":[16],"on":[17,20],"harmonics":[18],"defined":[19],"the":[21,28,32,79,85,95,118,122],"unit":[22,29],"disc.":[23],"A":[24],"new":[25,80],"sampling":[26],"disc,":[30],"using":[31,105],"Healpix":[33,45,62],"(hierarchical":[34],"equal":[35],"area":[36],"isolatitude":[37],"pixelation)":[38],"tool,":[39],"established.":[41],"The":[42,90,110,124],"use":[43],"justified":[47],"by":[48],"its":[49,98],"geometric":[50],"properties":[51],"that":[52],"insure":[53],"a":[54,133],"fast":[55],"analysis":[56,75],"big":[58],"amounts":[59],"data.":[61],"was":[63],"initially":[64],"developed":[65],"to":[66,84],"deal":[67],"with":[68],"needs":[69],"in":[70,100,128,136],"terms":[71,101],"treatment":[73],"and":[74,107],"data":[77],"research":[81],"missions":[82],"related":[83],"Cosmic":[86],"Microwave":[87],"Background":[88],"(CMB).":[89],"previously":[91],"proposed":[92,127],"version":[93,126],"QDHMs":[96,125],"outperforms":[97],"competitors":[99],"retrieval":[103,141],"performance":[104],"COIL-100":[106],"ALOI-VIEW":[108],"databases.":[109],"propose":[113],"more":[115],"about":[116],"accelerating":[117],"computation":[119],"time":[120],"moments.":[123],"paper":[130],"could":[131],"be":[132],"useful":[134],"descriptor":[135],"real-time":[137],"content-based":[138],"image":[140],"systems.":[142]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}