{"id":"https://openalex.org/W1607987991","doi":"https://doi.org/10.1109/lsp.2015.2463092","title":"HOG-Dot: A Parallel Kernel-Based Gradient Extraction for Embedded Image Processing","display_name":"HOG-Dot: A Parallel Kernel-Based Gradient Extraction for Embedded Image Processing","publication_year":2015,"publication_date":"2015-07-30","ids":{"openalex":"https://openalex.org/W1607987991","doi":"https://doi.org/10.1109/lsp.2015.2463092","mag":"1607987991"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2015.2463092","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2015.2463092","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hal.science/hal-01220417","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024138045","display_name":"Luca Maggiani","orcid":"https://orcid.org/0000-0002-9217-9911"},"institutions":[{"id":"https://openalex.org/I162290304","display_name":"Scuola Superiore Sant'Anna","ror":"https://ror.org/025602r80","country_code":"IT","type":"education","lineage":["https://openalex.org/I162290304"]},{"id":"https://openalex.org/I169645620","display_name":"Institut Pascal","ror":"https://ror.org/03vgfxd91","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I169645620","https://openalex.org/I198244214","https://openalex.org/I4210095849"]},{"id":"https://openalex.org/I198244214","display_name":"Universit\u00e9 Clermont Auvergne","ror":"https://ror.org/01a8ajp46","country_code":"FR","type":"education","lineage":["https://openalex.org/I198244214"]}],"countries":["FR","IT"],"is_corresponding":false,"raw_author_name":"Luca Maggiani","raw_affiliation_strings":["Institute Pascal, Universite Blaise Pascal, Clermont Ferrand, France","Scuola Superiore Sant'anna, TeCIP Institute, Pisa, Italy","SSSUP - Scuola Universitaria Superiore Sant'Anna [Pisa] (Piazza Martiri della Libert\u00e0 33 - 56127 Pisa - Italy)","IP - Institut Pascal (Campus Universitaire des C\u00e9zeaux, 4 avenue Blaise Pascal, TSA 60026 / CS 60026, 63178 Aubi\u00e8re Cedex - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute Pascal, Universite Blaise Pascal, Clermont Ferrand, France","institution_ids":["https://openalex.org/I198244214"]},{"raw_affiliation_string":"Scuola Superiore Sant'anna, TeCIP Institute, Pisa, Italy","institution_ids":["https://openalex.org/I162290304"]},{"raw_affiliation_string":"SSSUP - Scuola Universitaria Superiore Sant'Anna [Pisa] (Piazza Martiri della Libert\u00e0 33 - 56127 Pisa - Italy)","institution_ids":["https://openalex.org/I162290304"]},{"raw_affiliation_string":"IP - Institut Pascal (Campus Universitaire des C\u00e9zeaux, 4 avenue Blaise Pascal, TSA 60026 / CS 60026, 63178 Aubi\u00e8re Cedex - France)","institution_ids":["https://openalex.org/I169645620","https://openalex.org/I198244214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035385650","display_name":"C\u00e9dric Bourrasset","orcid":null},"institutions":[{"id":"https://openalex.org/I169645620","display_name":"Institut Pascal","ror":"https://ror.org/03vgfxd91","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I169645620","https://openalex.org/I198244214","https://openalex.org/I4210095849"]},{"id":"https://openalex.org/I198244214","display_name":"Universit\u00e9 Clermont Auvergne","ror":"https://ror.org/01a8ajp46","country_code":"FR","type":"education","lineage":["https://openalex.org/I198244214"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Cedric Bourrasset","raw_affiliation_strings":["Institute Pascal, Universite Blaise Pascal, Clermont Ferrand, France","IP - Institut Pascal (Campus Universitaire des C\u00e9zeaux, 4 avenue Blaise Pascal, TSA 60026 / CS 60026, 63178 Aubi\u00e8re Cedex - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute Pascal, Universite Blaise Pascal, Clermont Ferrand, France","institution_ids":["https://openalex.org/I198244214"]},{"raw_affiliation_string":"IP - Institut Pascal (Campus Universitaire des C\u00e9zeaux, 4 avenue Blaise Pascal, TSA 60026 / CS 60026, 63178 Aubi\u00e8re Cedex - France)","institution_ids":["https://openalex.org/I169645620","https://openalex.org/I198244214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025418844","display_name":"Matteo Petracca","orcid":"https://orcid.org/0000-0002-0893-7493"},"institutions":[{"id":"https://openalex.org/I162290304","display_name":"Scuola Superiore Sant'Anna","ror":"https://ror.org/025602r80","country_code":"IT","type":"education","lineage":["https://openalex.org/I162290304"]},{"id":"https://openalex.org/I4210099310","display_name":"Consorzio Nazionale Interuniversitario per le Telecomunicazioni","ror":"https://ror.org/0182a5n39","country_code":"IT","type":"funder","lineage":["https://openalex.org/I4210099310"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Matteo Petracca","raw_affiliation_strings":["Scuola Superiore Sant'anna, TeCIP Institute, Pisa, Italy","CNIT c/o Dept. of Electronics & Telecommunications (Italy)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Scuola Superiore Sant'anna, TeCIP Institute, Pisa, Italy","institution_ids":["https://openalex.org/I162290304"]},{"raw_affiliation_string":"CNIT c/o Dept. of Electronics & Telecommunications (Italy)","institution_ids":["https://openalex.org/I4210099310"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104883678","display_name":"Fran\u00e7ois Berry","orcid":"https://orcid.org/0000-0002-5899-4672"},"institutions":[{"id":"https://openalex.org/I169645620","display_name":"Institut Pascal","ror":"https://ror.org/03vgfxd91","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I169645620","https://openalex.org/I198244214","https://openalex.org/I4210095849"]},{"id":"https://openalex.org/I198244214","display_name":"Universit\u00e9 Clermont Auvergne","ror":"https://ror.org/01a8ajp46","country_code":"FR","type":"education","lineage":["https://openalex.org/I198244214"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Francois Berry","raw_affiliation_strings":["Institute Pascal, Universite Blaise Pascal, Clermont Ferrand, France","IP - Institut Pascal (Campus Universitaire des C\u00e9zeaux, 4 avenue Blaise Pascal, TSA 60026 / CS 60026, 63178 Aubi\u00e8re Cedex - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute Pascal, Universite Blaise Pascal, Clermont Ferrand, France","institution_ids":["https://openalex.org/I198244214"]},{"raw_affiliation_string":"IP - Institut Pascal (Campus Universitaire des C\u00e9zeaux, 4 avenue Blaise Pascal, TSA 60026 / CS 60026, 63178 Aubi\u00e8re Cedex - France)","institution_ids":["https://openalex.org/I169645620","https://openalex.org/I198244214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061062033","display_name":"Paolo Pagano","orcid":"https://orcid.org/0000-0003-2682-4350"},"institutions":[{"id":"https://openalex.org/I4210099310","display_name":"Consorzio Nazionale Interuniversitario per le Telecomunicazioni","ror":"https://ror.org/0182a5n39","country_code":"IT","type":"funder","lineage":["https://openalex.org/I4210099310"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Paolo Pagano","raw_affiliation_strings":["CNIT, National Laboratory of Photonic Networks, Pisa, Italy","CNIT c/o Dept. of Electronics & Telecommunications (Italy)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNIT, National Laboratory of Photonic Networks, Pisa, Italy","institution_ids":["https://openalex.org/I4210099310"]},{"raw_affiliation_string":"CNIT c/o Dept. of Electronics & Telecommunications (Italy)","institution_ids":["https://openalex.org/I4210099310"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002803585","display_name":"Claudio Salvadori","orcid":"https://orcid.org/0000-0003-1363-3379"},"institutions":[{"id":"https://openalex.org/I162290304","display_name":"Scuola Superiore Sant'Anna","ror":"https://ror.org/025602r80","country_code":"IT","type":"education","lineage":["https://openalex.org/I162290304"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Claudio Salvadori","raw_affiliation_strings":["Scuola Superiore Sant'anna, TeCIP Institute, Pisa, Italy","SSSUP - Scuola Universitaria Superiore Sant'Anna [Pisa] (Piazza Martiri della Libert\u00e0 33 - 56127 Pisa - Italy)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Scuola Superiore Sant'anna, TeCIP Institute, Pisa, Italy","institution_ids":["https://openalex.org/I162290304"]},{"raw_affiliation_string":"SSSUP - Scuola Universitaria Superiore Sant'Anna [Pisa] (Piazza Martiri della Libert\u00e0 33 - 56127 Pisa - Italy)","institution_ids":["https://openalex.org/I162290304"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9482,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.79874947,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"22","issue":"11","first_page":"2132","last_page":"2136"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10627","display_name":"Advanced Image and Video Retrieval 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/T10627","display_name":"Advanced Image and Video Retrieval 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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.7001206874847412},{"id":"https://openalex.org/keywords/pipeline","display_name":"Pipeline (software)","score":0.6689298748970032},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.6183407306671143},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.614476203918457},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.6011413335800171},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.581652820110321},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5331702828407288},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5166488289833069},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.49130716919898987},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.46998491883277893},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.44511234760284424},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4147935211658478},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.37429073452949524},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3678216338157654},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3332575857639313},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.13729903101921082},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.09100151062011719}],"concepts":[{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.7001206874847412},{"id":"https://openalex.org/C43521106","wikidata":"https://www.wikidata.org/wiki/Q2165493","display_name":"Pipeline (software)","level":2,"score":0.6689298748970032},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.6183407306671143},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.614476203918457},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.6011413335800171},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.581652820110321},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5331702828407288},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5166488289833069},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.49130716919898987},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.46998491883277893},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.44511234760284424},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4147935211658478},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37429073452949524},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3678216338157654},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3332575857639313},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.13729903101921082},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.09100151062011719},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lsp.2015.2463092","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2015.2463092","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-01220417v1","is_oa":true,"landing_page_url":"https://hal.science/hal-01220417","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Signal Processing Letters, 2015, &#x27E8;10.1109/LSP.2015.2463092&#x27E9;","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:HAL:hal-01220417v1","is_oa":true,"landing_page_url":"https://hal.science/hal-01220417","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Signal Processing Letters, 2015, &#x27E8;10.1109/LSP.2015.2463092&#x27E9;","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W55573687","https://openalex.org/W2012424613","https://openalex.org/W2020521941","https://openalex.org/W2038862184","https://openalex.org/W2043786388","https://openalex.org/W2047919444","https://openalex.org/W2109330262","https://openalex.org/W2119821739","https://openalex.org/W2161969291","https://openalex.org/W4239510810","https://openalex.org/W6602232301"],"related_works":["https://openalex.org/W2107628111","https://openalex.org/W2394004323","https://openalex.org/W2398764543","https://openalex.org/W3037187668","https://openalex.org/W2027335291","https://openalex.org/W4210328553","https://openalex.org/W4234772502","https://openalex.org/W1980417906","https://openalex.org/W2017449983","https://openalex.org/W2340724640"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"we":[3],"propose":[4],"HOG-Dot,":[5],"a":[6,48,69,81],"method":[7,63],"for":[8,85],"the":[9,13,19,29,33,41,52,61,89,92,100],"direct":[10],"computation":[11],"of":[12,32,35,57,91],"polar":[14],"image":[15],"gradients":[16],"coordinates":[17],"from":[18],"pixels":[20],"values.":[21],"The":[22],"proposed":[23],"algorithm,":[24],"to":[25,75],"be":[26],"used":[27],"as":[28],"first":[30],"step":[31],"Histogram":[34],"Oriented":[36],"Gradient":[37],"(HOG)":[38],"pipeline,":[39],"approximates":[40],"exact":[42],"gradient":[43,103],"with":[44,73,99],"its":[45],"projection":[46,53],"onto":[47],"versor":[49],"chosen":[50],"among":[51],"plane":[54],"set.":[55],"Instead":[56],"non":[58],"linear":[59,65],"computations,":[60],"HOG-Dot":[62],"exploits":[64],"operations":[66],"while":[67],"introducing":[68],"bounded":[70],"approximation":[71],"error":[72],"respect":[74],"other":[76],"HOG":[77],"approaches,":[78],"thus":[79],"resulting":[80],"more":[82],"suitable":[83],"solution":[84],"embedded":[86],"devices.":[87],"Concerning":[88],"state":[90],"art,":[93],"it":[94],"also":[95],"achieves":[96],"improved":[97],"accuracy":[98],"mathematical":[101],"spatial":[102],"formulation":[104],".":[105]},"counts_by_year":[{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-25T15:57:00.446498","created_date":"2025-10-10T00:00:00"}
