{"id":"https://openalex.org/W2249423084","doi":"https://doi.org/10.1109/fskd.2015.7382202","title":"Hiding new words in a PDF document","display_name":"Hiding new words in a PDF document","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W2249423084","doi":"https://doi.org/10.1109/fskd.2015.7382202","mag":"2249423084"},"language":"en","primary_location":{"id":"doi:10.1109/fskd.2015.7382202","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fskd.2015.7382202","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 12th International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)","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/A5019222199","display_name":"Shiru Zhang","orcid":"https://orcid.org/0000-0002-1677-2721"},"institutions":[{"id":"https://openalex.org/I110440473","display_name":"Xi'an University of Science and Technology","ror":"https://ror.org/046fkpt18","country_code":"CN","type":"education","lineage":["https://openalex.org/I110440473"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shiru Zhang","raw_affiliation_strings":["College of Communications and Information Engineering, Xi'an University of Science and Technology, Xi'an, P. R. China"],"affiliations":[{"raw_affiliation_string":"College of Communications and Information Engineering, Xi'an University of Science and Technology, Xi'an, P. R. China","institution_ids":["https://openalex.org/I110440473"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022480569","display_name":"Qidi Li","orcid":"https://orcid.org/0000-0001-6918-1290"},"institutions":[{"id":"https://openalex.org/I110440473","display_name":"Xi'an University of Science and Technology","ror":"https://ror.org/046fkpt18","country_code":"CN","type":"education","lineage":["https://openalex.org/I110440473"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qidi Li","raw_affiliation_strings":["College of Communications and Information Engineering, Xi'an University of Science and Technology, Xi'an, P. R. China"],"affiliations":[{"raw_affiliation_string":"College of Communications and Information Engineering, Xi'an University of Science and Technology, Xi'an, P. R. China","institution_ids":["https://openalex.org/I110440473"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058832950","display_name":"Chen\u2010Chung Liu","orcid":"https://orcid.org/0000-0002-9290-110X"},"institutions":[{"id":"https://openalex.org/I65446980","display_name":"National Chin-Yi University of Technology","ror":"https://ror.org/040bs6h16","country_code":"TW","type":"education","lineage":["https://openalex.org/I65446980"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chen-Chung Liu","raw_affiliation_strings":["Department of Electronic Engineering, National Chin-Yi University of Technology, Taichung, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, National Chin-Yi University of Technology, Taichung, Taiwan","institution_ids":["https://openalex.org/I65446980"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068877458","display_name":"Gaoyuan Li","orcid":"https://orcid.org/0009-0001-8479-6098"},"institutions":[{"id":"https://openalex.org/I65446980","display_name":"National Chin-Yi University of Technology","ror":"https://ror.org/040bs6h16","country_code":"TW","type":"education","lineage":["https://openalex.org/I65446980"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Gaoyuan Li","raw_affiliation_strings":["Department of Electronic Engineering, National Chin-Yi University of Technology, Taichung, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, National Chin-Yi University of Technology, Taichung, Taiwan","institution_ids":["https://openalex.org/I65446980"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5019222199"],"corresponding_institution_ids":["https://openalex.org/I110440473"],"apc_list":null,"apc_paid":null,"fwci":0.20873662,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.6179953,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1703","last_page":"1707"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.9955999851226807,"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":0.9955999851226807,"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/T10601","display_name":"Handwritten Text Recognition Techniques","score":0.9954000115394592,"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/T14339","display_name":"Image Processing and 3D Reconstruction","score":0.9803000092506409,"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/blank","display_name":"Blank","score":0.9157195091247559},{"id":"https://openalex.org/keywords/font","display_name":"Font","score":0.9064214825630188},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7962228655815125},{"id":"https://openalex.org/keywords/watermark","display_name":"Watermark","score":0.694327175617218},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5753496885299683},{"id":"https://openalex.org/keywords/digital-watermarking","display_name":"Digital watermarking","score":0.560257077217102},{"id":"https://openalex.org/keywords/character","display_name":"Character (mathematics)","score":0.5318441390991211},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.47504520416259766},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.46269306540489197},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.44816210865974426},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.438434362411499},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4072166681289673},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3705136179924011},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.32867228984832764},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.30185264348983765},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.2814655900001526},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.19073858857154846},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.07654905319213867},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07548949122428894}],"concepts":[{"id":"https://openalex.org/C2778089247","wikidata":"https://www.wikidata.org/wiki/Q368951","display_name":"Blank","level":2,"score":0.9157195091247559},{"id":"https://openalex.org/C2777737414","wikidata":"https://www.wikidata.org/wiki/Q4868296","display_name":"Font","level":2,"score":0.9064214825630188},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7962228655815125},{"id":"https://openalex.org/C164112704","wikidata":"https://www.wikidata.org/wiki/Q7974348","display_name":"Watermark","level":3,"score":0.694327175617218},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5753496885299683},{"id":"https://openalex.org/C150817343","wikidata":"https://www.wikidata.org/wiki/Q875932","display_name":"Digital watermarking","level":3,"score":0.560257077217102},{"id":"https://openalex.org/C2780861071","wikidata":"https://www.wikidata.org/wiki/Q1062934","display_name":"Character (mathematics)","level":2,"score":0.5318441390991211},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.47504520416259766},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.46269306540489197},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.44816210865974426},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.438434362411499},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4072166681289673},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3705136179924011},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.32867228984832764},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.30185264348983765},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.2814655900001526},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.19073858857154846},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.07654905319213867},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07548949122428894},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"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/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/fskd.2015.7382202","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fskd.2015.7382202","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 12th International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.4300000071525574}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1970557760","https://openalex.org/W1987550054","https://openalex.org/W2061744365","https://openalex.org/W2074621499","https://openalex.org/W2313876608","https://openalex.org/W2353635060","https://openalex.org/W2542025225","https://openalex.org/W6647248501","https://openalex.org/W6698713325"],"related_works":["https://openalex.org/W2137394636","https://openalex.org/W2358993821","https://openalex.org/W1516446231","https://openalex.org/W2098152888","https://openalex.org/W1559740347","https://openalex.org/W2040356834","https://openalex.org/W2385289568","https://openalex.org/W2381486749","https://openalex.org/W1514507288","https://openalex.org/W2183032046"],"abstract_inverted_index":{"A":[0],"new":[1,10,53],"algorithm":[2,165],"based":[3],"on":[4],"PDF":[5,80,134,149],"document":[6],"structure":[7],"and":[8,44,65,82,107,124,155,169],"the":[9,14,31,41,47,52,62,83,89,93,100,104,110,118,128,133,140,145,148,153,156,159],"words":[11],"generated":[12],"from":[13,51,103],"hidden":[15],"information":[16],"is":[17,38,121,125,166],"proposed":[18],"in":[19,40,61,78,132],"this":[20],"paper.":[21],"Through":[22],"software":[23],"Fontographer":[24],"we":[25,97],"generate":[26],"two":[27],"font":[28,48,70,114],"files":[29],"with":[30,115,127],"same":[32],"character":[33],"codes.":[34],"The":[35,55,72],"secrete":[36,84,101],"key":[37,85,102],"stored":[39,60],"first":[42],"file":[43,64],"it":[45,136],"contains":[46],"shapes":[49],"formed":[50],"words.":[54],"private":[56,73,111],"blank":[57,74,112,122],"characters":[58,75,123],"are":[59,76,86],"second":[63],"they":[66],"do":[67],"not":[68,138],"possess":[69],"shapes.":[71],"embedded":[77,119],"a":[79,162],"document,":[81,135],"transmitted":[87],"to":[88],"third":[90,105],"party.":[91],"In":[92,161],"watermark":[94,120],"extraction":[95],"stage,":[96],"need":[98],"download":[99],"party,":[106],"then":[108],"replace":[109],"characters'":[113],"it.":[116],"Since":[117],"overlapped":[126],"original":[129],"page":[130],"objects":[131],"will":[137],"affect":[139],"content,":[141],"as":[142,144],"well":[143],"format":[146],"of":[147,158],"documents.":[150],"These":[151],"guarantee":[152],"security":[154],"robustness":[157],"watermark.":[160],"word,":[163],"our":[164],"simple,":[167],"robust,":[168],"secure.":[170]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
