{"id":"https://openalex.org/W2099522093","doi":"https://doi.org/10.1109/ccece.2013.6567726","title":"An extended visual cryptography scheme without pixel expansion for halftone images","display_name":"An extended visual cryptography scheme without pixel expansion for halftone images","publication_year":2013,"publication_date":"2013-05-01","ids":{"openalex":"https://openalex.org/W2099522093","doi":"https://doi.org/10.1109/ccece.2013.6567726","mag":"2099522093"},"language":"en","primary_location":{"id":"doi:10.1109/ccece.2013.6567726","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ccece.2013.6567726","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 26th IEEE Canadian Conference on Electrical and Computer Engineering (CCECE)","raw_type":"proceedings-article"},"type":"article","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/A5045526760","display_name":"Nazanin Askari","orcid":null},"institutions":[{"id":"https://openalex.org/I130438778","display_name":"Memorial University of Newfoundland","ror":"https://ror.org/04haebc03","country_code":"CA","type":"education","lineage":["https://openalex.org/I130438778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"N. Askari","raw_affiliation_strings":["Electrical and Computer Engineering Faculty of Engineering and Applied Science, Memorial University of Newfoundland, Canada","Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering Faculty of Engineering and Applied Science, Memorial University of Newfoundland, Canada","institution_ids":["https://openalex.org/I130438778"]},{"raw_affiliation_string":"Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland","institution_ids":["https://openalex.org/I130438778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044553493","display_name":"Howard M. Heys","orcid":"https://orcid.org/0000-0003-4506-3673"},"institutions":[{"id":"https://openalex.org/I130438778","display_name":"Memorial University of Newfoundland","ror":"https://ror.org/04haebc03","country_code":"CA","type":"education","lineage":["https://openalex.org/I130438778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"H. M. Heys","raw_affiliation_strings":["Electrical and Computer Engineering Faculty of Engineering and Applied Science, Memorial University of Newfoundland, Canada","Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering Faculty of Engineering and Applied Science, Memorial University of Newfoundland, Canada","institution_ids":["https://openalex.org/I130438778"]},{"raw_affiliation_string":"Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland","institution_ids":["https://openalex.org/I130438778"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018255936","display_name":"Cecilia Moloney","orcid":null},"institutions":[{"id":"https://openalex.org/I130438778","display_name":"Memorial University of Newfoundland","ror":"https://ror.org/04haebc03","country_code":"CA","type":"education","lineage":["https://openalex.org/I130438778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"C. R. Moloney","raw_affiliation_strings":["Electrical and Computer Engineering Faculty of Engineering and Applied Science, Memorial University of Newfoundland, Canada","Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering Faculty of Engineering and Applied Science, Memorial University of Newfoundland, Canada","institution_ids":["https://openalex.org/I130438778"]},{"raw_affiliation_string":"Electrical and Computer Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland","institution_ids":["https://openalex.org/I130438778"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.1829,"has_fulltext":false,"cited_by_count":53,"citation_normalized_percentile":{"value":0.97551281,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":1.0,"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":1.0,"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/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9977999925613403,"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/T12357","display_name":"Digital Media Forensic Detection","score":0.9959999918937683,"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/visual-cryptography","display_name":"Visual cryptography","score":0.9815487861633301},{"id":"https://openalex.org/keywords/halftone","display_name":"Halftone","score":0.9569873809814453},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.7639305591583252},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7003947496414185},{"id":"https://openalex.org/keywords/secret-sharing","display_name":"Secret sharing","score":0.6285784244537354},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6070979833602905},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5292617082595825},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5029951930046082},{"id":"https://openalex.org/keywords/cover","display_name":"Cover (algebra)","score":0.49018388986587524},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.4807962477207184},{"id":"https://openalex.org/keywords/id-based-cryptography","display_name":"ID-based cryptography","score":0.4448193609714508},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4323728084564209},{"id":"https://openalex.org/keywords/neural-cryptography","display_name":"Neural cryptography","score":0.42705926299095154},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.39132827520370483},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2611536979675293},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.23513203859329224},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.2316626012325287},{"id":"https://openalex.org/keywords/key-distribution","display_name":"Key distribution","score":0.07250067591667175}],"concepts":[{"id":"https://openalex.org/C2779072331","wikidata":"https://www.wikidata.org/wiki/Q1597418","display_name":"Visual cryptography","level":4,"score":0.9815487861633301},{"id":"https://openalex.org/C2777635815","wikidata":"https://www.wikidata.org/wiki/Q1110021","display_name":"Halftone","level":3,"score":0.9569873809814453},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.7639305591583252},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7003947496414185},{"id":"https://openalex.org/C3087436","wikidata":"https://www.wikidata.org/wiki/Q1386603","display_name":"Secret sharing","level":3,"score":0.6285784244537354},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6070979833602905},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5292617082595825},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5029951930046082},{"id":"https://openalex.org/C2780428219","wikidata":"https://www.wikidata.org/wiki/Q16952335","display_name":"Cover (algebra)","level":2,"score":0.49018388986587524},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.4807962477207184},{"id":"https://openalex.org/C19150895","wikidata":"https://www.wikidata.org/wiki/Q582616","display_name":"ID-based cryptography","level":5,"score":0.4448193609714508},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4323728084564209},{"id":"https://openalex.org/C126954023","wikidata":"https://www.wikidata.org/wiki/Q4316440","display_name":"Neural cryptography","level":4,"score":0.42705926299095154},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.39132827520370483},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2611536979675293},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.23513203859329224},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.2316626012325287},{"id":"https://openalex.org/C160333310","wikidata":"https://www.wikidata.org/wiki/Q6398153","display_name":"Key distribution","level":4,"score":0.07250067591667175},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ccece.2013.6567726","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ccece.2013.6567726","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 26th IEEE Canadian Conference on Electrical and Computer Engineering (CCECE)","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.417.292","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.417.292","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.engr.mun.ca/~howard/PAPERS/ccece2013_evcs.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":7,"referenced_works":["https://openalex.org/W192265493","https://openalex.org/W1988245022","https://openalex.org/W1991297895","https://openalex.org/W2016243271","https://openalex.org/W2128793054","https://openalex.org/W2913419753","https://openalex.org/W4253746564"],"related_works":["https://openalex.org/W2078094010","https://openalex.org/W2549188609","https://openalex.org/W2054307499","https://openalex.org/W2166964969","https://openalex.org/W196726375","https://openalex.org/W2565952052","https://openalex.org/W2138491091","https://openalex.org/W2906421360","https://openalex.org/W4235189337","https://openalex.org/W2105754879"],"abstract_inverted_index":{"Visual":[0],"cryptography":[1,46,79,115],"is":[2,24,93],"a":[3,20,56],"secret":[4,22,73,101],"sharing":[5],"scheme":[6,80,105],"which":[7,82],"uses":[8],"images":[9,32,61,69,88],"distributed":[10],"as":[11,96],"shares":[12,17],"such":[13],"that,":[14],"when":[15],"the":[16,30,64,67,71,83,86,90,94,98,107,111],"are":[18,33],"superimposed,":[19],"hidden":[21],"image":[23,74,92],"revealed.":[25],"In":[26,51],"extended":[27,77,113],"visual":[28,45,78,114],"cryptography,":[29],"share":[31,68,87],"constructed":[34],"to":[35],"contain":[36],"meaningful":[37],"cover":[38],"images,":[39],"thereby":[40],"providing":[41],"opportunities":[42],"for":[43,58,81,97],"integrating":[44],"and":[47,70,89],"biometric":[48],"security":[49,109],"techniques.":[50],"this":[52],"paper,":[53],"we":[54],"propose":[55],"method":[57],"processing":[59],"halftone":[60,100],"that":[62],"improves":[63],"quality":[65],"of":[66,85,110],"recovered":[72,91],"in":[75],"an":[76],"size":[84],"same":[95],"original":[99,112],"image.":[102],"The":[103],"resulting":[104],"maintains":[106],"perfect":[108],"approach.":[116]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":9}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
