{"id":"https://openalex.org/W4413220966","doi":"https://doi.org/10.3390/jimaging11080267","title":"Placido Sub-Pixel Edge Detection Algorithm Based on Enhanced Mexican Hat Wavelet Transform and Improved Zernike Moments","display_name":"Placido Sub-Pixel Edge Detection Algorithm Based on Enhanced Mexican Hat Wavelet Transform and Improved Zernike Moments","publication_year":2025,"publication_date":"2025-08-11","ids":{"openalex":"https://openalex.org/W4413220966","doi":"https://doi.org/10.3390/jimaging11080267","pmid":"https://pubmed.ncbi.nlm.nih.gov/40863477"},"language":"en","primary_location":{"id":"doi:10.3390/jimaging11080267","is_oa":true,"landing_page_url":"https://doi.org/10.3390/jimaging11080267","pdf_url":"https://www.mdpi.com/2313-433X/11/8/267/pdf","source":{"id":"https://openalex.org/S2736465063","display_name":"Journal of Imaging","issn_l":"2313-433X","issn":["2313-433X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"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 Imaging","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2313-433X/11/8/267/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5115593136","display_name":"Yujie Wang","orcid":"https://orcid.org/0009-0009-2732-1991"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yujie Wang","raw_affiliation_strings":["School of Information and Communication Engineering, North University of China, Taiyuan 030051, China"],"raw_orcid":"https://orcid.org/0009-0009-2732-1991","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, North University of China, Taiyuan 030051, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085787908","display_name":"Jinyu Liang","orcid":"https://orcid.org/0000-0003-0127-2705"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinyu Liang","raw_affiliation_strings":["School of Information and Communication Engineering, North University of China, Taiyuan 030051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, North University of China, Taiyuan 030051, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021060699","display_name":"Yating Xiao","orcid":null},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yating Xiao","raw_affiliation_strings":["School of Information and Communication Engineering, North University of China, Taiyuan 030051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, North University of China, Taiyuan 030051, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100651326","display_name":"Xinfeng Liu","orcid":"https://orcid.org/0000-0001-6480-7530"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinfeng Liu","raw_affiliation_strings":["School of Information and Communication Engineering, North University of China, Taiyuan 030051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, North University of China, Taiyuan 030051, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108050324","display_name":"Jiale Li","orcid":"https://orcid.org/0000-0002-3299-5386"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiale Li","raw_affiliation_strings":["School of Information and Communication Engineering, North University of China, Taiyuan 030051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, North University of China, Taiyuan 030051, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109927230","display_name":"Guangyu Cui","orcid":null},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangyu Cui","raw_affiliation_strings":["School of Information and Communication Engineering, North University of China, Taiyuan 030051, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, North University of China, Taiyuan 030051, China","institution_ids":["https://openalex.org/I135714990"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011385506","display_name":"Quan Zhang","orcid":"https://orcid.org/0000-0001-9867-2443"},"institutions":[{"id":"https://openalex.org/I135714990","display_name":"North University of China","ror":"https://ror.org/047bp1713","country_code":"CN","type":"education","lineage":["https://openalex.org/I135714990"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Quan Zhang","raw_affiliation_strings":["School of Information and Communication Engineering, North University of China, Taiyuan 030051, China"],"raw_orcid":"https://orcid.org/0000-0001-9867-2443","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, North University of China, Taiyuan 030051, China","institution_ids":["https://openalex.org/I135714990"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5011385506"],"corresponding_institution_ids":["https://openalex.org/I135714990"],"apc_list":{"value":1600,"currency":"CHF","value_usd":1782},"apc_paid":{"value":1600,"currency":"CHF","value_usd":1782},"fwci":2.1177,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.87799113,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"11","issue":"8","first_page":"267","last_page":"267"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11438","display_name":"Retinal Imaging and Analysis","score":0.993399977684021,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11438","display_name":"Retinal Imaging and Analysis","score":0.993399977684021,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9922000169754028,"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"}},{"id":"https://openalex.org/T14158","display_name":"Optical Systems and Laser Technology","score":0.9883999824523926,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/zernike-polynomials","display_name":"Zernike polynomials","score":0.9160477519035339},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.7334550023078918},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.6073168516159058},{"id":"https://openalex.org/keywords/edge-detection","display_name":"Edge detection","score":0.5909336805343628},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5537183284759521},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5417414903640747},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5364912152290344},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.5355000495910645},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5354528427124023},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5051930546760559},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4478515088558197},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3899480402469635},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.37770700454711914},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.20272791385650635},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.13209372758865356},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1041281521320343}],"concepts":[{"id":"https://openalex.org/C92423082","wikidata":"https://www.wikidata.org/wiki/Q132146","display_name":"Zernike polynomials","level":3,"score":0.9160477519035339},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.7334550023078918},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.6073168516159058},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.5909336805343628},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5537183284759521},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5417414903640747},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5364912152290344},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.5355000495910645},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5354528427124023},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5051930546760559},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4478515088558197},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3899480402469635},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.37770700454711914},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.20272791385650635},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.13209372758865356},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1041281521320343},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C165699331","wikidata":"https://www.wikidata.org/wiki/Q461533","display_name":"Wavefront","level":2,"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/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/jimaging11080267","is_oa":true,"landing_page_url":"https://doi.org/10.3390/jimaging11080267","pdf_url":"https://www.mdpi.com/2313-433X/11/8/267/pdf","source":{"id":"https://openalex.org/S2736465063","display_name":"Journal of Imaging","issn_l":"2313-433X","issn":["2313-433X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"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 Imaging","raw_type":"journal-article"},{"id":"pmid:40863477","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/40863477","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of imaging","raw_type":null},{"id":"pmh:oai:doaj.org/article:4065ad9651124d8e8c1e0bf69d7665df","is_oa":true,"landing_page_url":"https://doaj.org/article/4065ad9651124d8e8c1e0bf69d7665df","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Imaging, Vol 11, Iss 8, p 267 (2025)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:11195221","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/12387409","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/jimaging11080267","is_oa":true,"landing_page_url":"https://doi.org/10.3390/jimaging11080267","pdf_url":"https://www.mdpi.com/2313-433X/11/8/267/pdf","source":{"id":"https://openalex.org/S2736465063","display_name":"Journal of Imaging","issn_l":"2313-433X","issn":["2313-433X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"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 Imaging","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.46000000834465027}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4413220966.pdf"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W1944975970","https://openalex.org/W2023511893","https://openalex.org/W2094246539","https://openalex.org/W2101874059","https://openalex.org/W2911938806","https://openalex.org/W2971912586","https://openalex.org/W3004917684","https://openalex.org/W3009951607","https://openalex.org/W4308694153","https://openalex.org/W4313559872","https://openalex.org/W4385407981","https://openalex.org/W4395479049","https://openalex.org/W4396718350","https://openalex.org/W4399630517","https://openalex.org/W4400276817","https://openalex.org/W4402593778","https://openalex.org/W4403095831","https://openalex.org/W4406182514","https://openalex.org/W4411142862","https://openalex.org/W6656502783","https://openalex.org/W6673916597","https://openalex.org/W6773279195","https://openalex.org/W6846556803","https://openalex.org/W6855959944","https://openalex.org/W6870111992","https://openalex.org/W6873182376","https://openalex.org/W6875862311"],"related_works":["https://openalex.org/W1997638723","https://openalex.org/W2547138831","https://openalex.org/W2061580049","https://openalex.org/W2067788074","https://openalex.org/W2183108721","https://openalex.org/W3160617640","https://openalex.org/W2073465494","https://openalex.org/W2077021924","https://openalex.org/W17460865","https://openalex.org/W2372578044"],"abstract_inverted_index":{"In":[0],"order":[1],"to":[2,85],"meet":[3],"the":[4,9,41,58,67,87,93,120,136,148,160],"high-precision":[5],"location":[6],"requirements":[7],"of":[8,70,92,109,141,155],"corneal":[10,15,101],"Placido":[11,102],"ring":[12,103],"edge":[13,23,60,80,90,98,110,139],"in":[14,123],"topographic":[16],"reconstruction,":[17],"this":[18,124],"paper":[19,125],"proposes":[20],"a":[21,47,71],"sub-pixel":[22,89,97,138],"detection":[24,99],"algorithm":[25,121,150,162],"based":[26,65],"on":[27,66],"multi-scale":[28,48],"and":[29,36,49,107,126],"multi-position":[30,50],"enhanced":[31,51],"Mexican":[32,52],"Hat":[33,53],"Wavelet":[34,54],"Transform":[35,55],"improved":[37,78],"Zernike":[38,68],"moment.":[39],"Firstly,":[40],"image":[42],"undergoes":[43],"preliminary":[44,59],"processing":[45],"using":[46,119],"function.":[56],"Subsequently,":[57],"information":[61],"extracted":[62],"is":[63,133,144],"relocated":[64],"moments":[69],"9":[72,74],"\u00d7":[73],"template.":[75],"Finally,":[76],"two":[77],"adaptive":[79],"threshold":[81],"algorithms":[82,143],"are":[83],"employed":[84],"determine":[86],"actual":[88],"points":[91],"image,":[94],"thereby":[95],"realizing":[96],"for":[100],"images.":[104],"Through":[105],"comparison":[106],"analysis":[108],"extraction":[111],"results":[112],"from":[113,128],"real":[114],"human":[115],"eye":[116],"images":[117],"obtained":[118],"proposed":[122,149,161],"those":[127],"other":[129,142],"existing":[130],"algorithms,":[131],"it":[132],"observed":[134],"that":[135],"average":[137,153],"error":[140,154],"0.286":[145],"pixels,":[146],"whereas":[147],"achieves":[151],"an":[152],"only":[156],"0.094":[157],"pixels.":[158],"Furthermore,":[159],"demonstrates":[163],"strong":[164],"robustness":[165],"against":[166],"noise.":[167]},"counts_by_year":[{"year":2026,"cited_by_count":3}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
