{"id":"https://openalex.org/W2083224747","doi":"https://doi.org/10.1002/scj.4690210608","title":"Directional Feature Field and Parallel Operations for Binary Images: Twisting Operation for Arbitrary Directional Propagation by 8\u2010Neighbors","display_name":"Directional Feature Field and Parallel Operations for Binary Images: Twisting Operation for Arbitrary Directional Propagation by 8\u2010Neighbors","publication_year":1990,"publication_date":"1990-01-01","ids":{"openalex":"https://openalex.org/W2083224747","doi":"https://doi.org/10.1002/scj.4690210608","mag":"2083224747"},"language":"en","primary_location":{"id":"doi:10.1002/scj.4690210608","is_oa":false,"landing_page_url":"https://doi.org/10.1002/scj.4690210608","pdf_url":null,"source":{"id":"https://openalex.org/S58208175","display_name":"Systems and Computers in Japan","issn_l":"0882-1666","issn":["0882-1666","1520-684X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Systems and Computers in Japan","raw_type":"journal-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/A5110500418","display_name":"Hiromitsu Yamada","orcid":null},"institutions":[{"id":"https://openalex.org/I150744194","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83","country_code":"JP","type":"education","lineage":["https://openalex.org/I150744194"]},{"id":"https://openalex.org/I4210101332","display_name":"Group Image (Poland)","ror":"https://ror.org/01fba6t94","country_code":"PL","type":"company","lineage":["https://openalex.org/I4210101332"]}],"countries":["JP","PL"],"is_corresponding":false,"raw_author_name":"Hiromitsu Yamada","raw_affiliation_strings":["Electrotechnical Laboratory, Tsukuba, Japan 305","Hiromitsu Yamada graduated in 1970 from the Electrical Communications Engineering Depart- ment, Faculty of Science Engineering, Waseda University and obtained a Master's degree from there in 1972; he has a Dr. of Eng. degree. He then joined Electrotechnical Laboratory. He is engaged in research on pattern recognition, notably recognition of handwritten letters, image recognition, and feature-extraction algorithms using parallel operation. Presently, Senior Researcher of Image Understanding Section, Electrotechnical Laboratory (Tsukuba), Machine Under standing Division","he has a Dr. of Eng. degree. He then joined Electrotechnical Laboratory. He is engaged in research on pattern recognition, notably recognition of handwritten letters, image recognition, and feature-extraction algorithms using parallel operation. Presently, Senior Researcher of Image Understanding Section, Electrotechnical Laboratory (Tsukuba), Machine Under standing Division","Hiromitsu Yamada graduated in 1970 from the Electrical Communications Engineering Depart- ment, Faculty of Science Engineering, Waseda University and obtained a Master's degree from there in 1972"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrotechnical Laboratory, Tsukuba, Japan 305","institution_ids":[]},{"raw_affiliation_string":"Hiromitsu Yamada graduated in 1970 from the Electrical Communications Engineering Depart- ment, Faculty of Science Engineering, Waseda University and obtained a Master's degree from there in 1972; he has a Dr. of Eng. degree. He then joined Electrotechnical Laboratory. He is engaged in research on pattern recognition, notably recognition of handwritten letters, image recognition, and feature-extraction algorithms using parallel operation. Presently, Senior Researcher of Image Understanding Section, Electrotechnical Laboratory (Tsukuba), Machine Under standing Division","institution_ids":["https://openalex.org/I4210101332"]},{"raw_affiliation_string":"he has a Dr. of Eng. degree. He then joined Electrotechnical Laboratory. He is engaged in research on pattern recognition, notably recognition of handwritten letters, image recognition, and feature-extraction algorithms using parallel operation. Presently, Senior Researcher of Image Understanding Section, Electrotechnical Laboratory (Tsukuba), Machine Under standing Division","institution_ids":["https://openalex.org/I4210101332"]},{"raw_affiliation_string":"Hiromitsu Yamada graduated in 1970 from the Electrical Communications Engineering Depart- ment, Faculty of Science Engineering, Waseda University and obtained a Master's degree from there in 1972","institution_ids":["https://openalex.org/I150744194"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075284186","display_name":"Kazuhiko Yamamoto","orcid":"https://orcid.org/0000-0001-9037-3625"},"institutions":[{"id":"https://openalex.org/I4210136215","display_name":"IS practice","ror":"https://ror.org/03qyvqf30","country_code":"BE","type":"other","lineage":["https://openalex.org/I4210136215"]},{"id":"https://openalex.org/I4210161032","display_name":"Avirtek (United States)","ror":"https://ror.org/055909c12","country_code":"US","type":"company","lineage":["https://openalex.org/I4210161032"]}],"countries":["BE","US"],"is_corresponding":true,"raw_author_name":"Kazuhiko Yamamoto","raw_affiliation_strings":["Electrotechnical Laboratory, Tsukuba, Japan 305","Kazuhiko Yamamoto graduated in 1969 from Electrical Communications Department, Faculty of Engineering, Tokyo Denki University, obtained a Master's degree from there in 1971, and he also has a Dr. of Eng. degree. He joined the Electrotechnical Laboratory (Tsukuba) in 1971. He is engaged in research on recognition of handwritten letters and parallel distributing processing at the Computer-Vision Laboratory, Maryland University (USA) during 1979 to 1980. Presently, he is Chief of Image Understanding Section, Machine Understanding Division. His research a t present is on pattern recognition, artificial intelligence, - notably flexible correspondence of images. He is a member of Information Processing Society of Japan; IEEE; and AVIRG ","AVIRG "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrotechnical Laboratory, Tsukuba, Japan 305","institution_ids":[]},{"raw_affiliation_string":"Kazuhiko Yamamoto graduated in 1969 from Electrical Communications Department, Faculty of Engineering, Tokyo Denki University, obtained a Master's degree from there in 1971, and he also has a Dr. of Eng. degree. He joined the Electrotechnical Laboratory (Tsukuba) in 1971. He is engaged in research on recognition of handwritten letters and parallel distributing processing at the Computer-Vision Laboratory, Maryland University (USA) during 1979 to 1980. Presently, he is Chief of Image Understanding Section, Machine Understanding Division. His research a t present is on pattern recognition, artificial intelligence, - notably flexible correspondence of images. He is a member of Information Processing Society of Japan; IEEE; and AVIRG ","institution_ids":["https://openalex.org/I4210136215"]},{"raw_affiliation_string":"AVIRG ","institution_ids":["https://openalex.org/I4210161032"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5075284186"],"corresponding_institution_ids":["https://openalex.org/I4210136215","https://openalex.org/I4210161032"],"apc_list":null,"apc_paid":null,"fwci":0.6067,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.72860723,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"21","issue":"6","first_page":"71","last_page":"80"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12923","display_name":"Digital Image Processing 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/T12923","display_name":"Digital Image Processing 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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9995999932289124,"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":0.9951000213623047,"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/binary-number","display_name":"Binary number","score":0.7293300628662109},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6489461660385132},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.6332266330718994},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.6129476428031921},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.5373206734657288},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5224710702896118},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.48206382989883423},{"id":"https://openalex.org/keywords/directional-derivative","display_name":"Directional derivative","score":0.4637928605079651},{"id":"https://openalex.org/keywords/binary-image","display_name":"Binary image","score":0.44811540842056274},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4259435534477234},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.31418001651763916},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.25547483563423157},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2280362844467163},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.16908660531044006},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.14750805497169495}],"concepts":[{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.7293300628662109},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6489461660385132},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.6332266330718994},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.6129476428031921},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5373206734657288},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5224710702896118},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.48206382989883423},{"id":"https://openalex.org/C2011187","wikidata":"https://www.wikidata.org/wiki/Q383851","display_name":"Directional derivative","level":2,"score":0.4637928605079651},{"id":"https://openalex.org/C193828747","wikidata":"https://www.wikidata.org/wiki/Q864118","display_name":"Binary image","level":4,"score":0.44811540842056274},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4259435534477234},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.31418001651763916},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.25547483563423157},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2280362844467163},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.16908660531044006},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.14750805497169495},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/scj.4690210608","is_oa":false,"landing_page_url":"https://doi.org/10.1002/scj.4690210608","pdf_url":null,"source":{"id":"https://openalex.org/S58208175","display_name":"Systems and Computers in Japan","issn_l":"0882-1666","issn":["0882-1666","1520-684X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Systems and Computers in Japan","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1965840180","https://openalex.org/W1968683440","https://openalex.org/W1977009053","https://openalex.org/W2003484318","https://openalex.org/W2050266480","https://openalex.org/W2053120614","https://openalex.org/W2112629254","https://openalex.org/W4230982142"],"related_works":["https://openalex.org/W2075768550","https://openalex.org/W3022218857","https://openalex.org/W2369178846","https://openalex.org/W2082716031","https://openalex.org/W2370289839","https://openalex.org/W2933494595","https://openalex.org/W1989545120","https://openalex.org/W2164349598","https://openalex.org/W2161674153","https://openalex.org/W1978863158"],"abstract_inverted_index":{"Abstract":[0],"This":[1,30],"paper":[2,31],"points":[3],"out":[4],"the":[5,55,78],"importance":[6],"of":[7,13,19,26,57,77],"directional":[8,14,48,65],"propagation":[9],"with":[10,41],"an":[11,24,38,42,46],"expression":[12],"elements":[15],"at":[16],"each":[17],"pixel":[18],"a":[20],"binary":[21],"image,":[22],"as":[23,61],"extension":[25],"local":[27,66],"parallel":[28,67],"operations.":[29],"also":[32],"proposes":[33],"\u201ca":[34],"twisting":[35],"operation\u201d":[36],"for":[37],"8\u2010neighbor":[39],"operation":[40,53],"arbitrary":[43,47],"direction":[44],"and":[45,54],"accuracy.":[49],"By":[50],"using":[51],"this":[52],"concept":[56],"vibrating":[58],"operations,":[59],"such":[60],"erosion\u2010dilatation":[62],"or":[63],"dilatation\u2010erosion,":[64],"operations":[68],"are":[69],"defined":[70],"to":[71],"extract":[72],"linear":[73],"features.":[74],"The":[75],"effectiveness":[76],"ideas":[79],"is":[80],"confirmed":[81],"experimentally.":[82]},"counts_by_year":[],"updated_date":"2026-05-21T09:19:25.381259","created_date":"2025-10-10T00:00:00"}