{"id":"https://openalex.org/W2028336474","doi":"https://doi.org/10.1016/s0165-1684(00)00122-5","title":"A lapped directional transform for spectral image analysis and its application to restoration and enhancement","display_name":"A lapped directional transform for spectral image analysis and its application to restoration and enhancement","publication_year":2000,"publication_date":"2000-11-01","ids":{"openalex":"https://openalex.org/W2028336474","doi":"https://doi.org/10.1016/s0165-1684(00)00122-5","mag":"2028336474"},"language":"en","primary_location":{"id":"doi:10.1016/s0165-1684(00)00122-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0165-1684(00)00122-5","pdf_url":null,"source":{"id":"https://openalex.org/S154637859","display_name":"Signal Processing","issn_l":"0165-1684","issn":["0165-1684","1872-7557"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal Processing","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/A5025661613","display_name":"Til Aach","orcid":null},"institutions":[{"id":"https://openalex.org/I9341345","display_name":"University of L\u00fcbeck","ror":"https://ror.org/00t3r8h32","country_code":"DE","type":"education","lineage":["https://openalex.org/I9341345"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Til Aach","raw_affiliation_strings":["Institut f\u00fcr Signalverarbeitung und Prozessrechentechnik, Medizinische Universit\u00e4t zu L\u00fcbeck, Ratzeburger Allee 160, D-23538 L\u00fcbeck, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Signalverarbeitung und Prozessrechentechnik, Medizinische Universit\u00e4t zu L\u00fcbeck, Ratzeburger Allee 160, D-23538 L\u00fcbeck, Germany","institution_ids":["https://openalex.org/I9341345"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110253094","display_name":"Dietmar Kunz","orcid":null},"institutions":[{"id":"https://openalex.org/I4210162505","display_name":"Philips (Germany)","ror":"https://ror.org/05san5604","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210122849","https://openalex.org/I4210162505"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Dietmar Kunz","raw_affiliation_strings":["Philips GmbH Forschungslaboratorien, Postfach 50 01 45, D-52085 Aachen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Philips GmbH Forschungslaboratorien, Postfach 50 01 45, D-52085 Aachen, Germany","institution_ids":["https://openalex.org/I4210162505"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5025661613"],"corresponding_institution_ids":["https://openalex.org/I9341345"],"apc_list":{"value":3200,"currency":"USD","value_usd":3200},"apc_paid":null,"fwci":0.3855,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.69047619,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"80","issue":"11","first_page":"2347","last_page":"2364"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","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/T10688","display_name":"Image and Signal Denoising Methods","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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9995999932289124,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/lapped-transform","display_name":"Lapped transform","score":0.8342769145965576},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.7706661224365234},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.6071599125862122},{"id":"https://openalex.org/keywords/discrete-sine-transform","display_name":"Discrete sine transform","score":0.5765105485916138},{"id":"https://openalex.org/keywords/s-transform","display_name":"S transform","score":0.5652150511741638},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5504650473594666},{"id":"https://openalex.org/keywords/discrete-fourier-transform","display_name":"Discrete Fourier transform (general)","score":0.5438587665557861},{"id":"https://openalex.org/keywords/discrete-hartley-transform","display_name":"Discrete Hartley transform","score":0.5206060409545898},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5138552188873291},{"id":"https://openalex.org/keywords/separable-space","display_name":"Separable space","score":0.47847530245780945},{"id":"https://openalex.org/keywords/constant-q-transform","display_name":"Constant Q transform","score":0.466880738735199},{"id":"https://openalex.org/keywords/fractional-fourier-transform","display_name":"Fractional Fourier transform","score":0.45522841811180115},{"id":"https://openalex.org/keywords/hartley-transform","display_name":"Hartley transform","score":0.43962329626083374},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.41307270526885986},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.32905542850494385},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3236994445323944},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.27240318059921265},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2676554322242737},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.24268785119056702},{"id":"https://openalex.org/keywords/short-time-fourier-transform","display_name":"Short-time Fourier transform","score":0.2168475091457367},{"id":"https://openalex.org/keywords/discrete-wavelet-transform","display_name":"Discrete wavelet transform","score":0.138978511095047},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.11753711104393005},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.08482679724693298}],"concepts":[{"id":"https://openalex.org/C91458471","wikidata":"https://www.wikidata.org/wiki/Q17096468","display_name":"Lapped transform","level":5,"score":0.8342769145965576},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.7706661224365234},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.6071599125862122},{"id":"https://openalex.org/C167058841","wikidata":"https://www.wikidata.org/wiki/Q971039","display_name":"Discrete sine transform","level":5,"score":0.5765105485916138},{"id":"https://openalex.org/C99234102","wikidata":"https://www.wikidata.org/wiki/Q7395403","display_name":"S transform","level":5,"score":0.5652150511741638},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5504650473594666},{"id":"https://openalex.org/C57733114","wikidata":"https://www.wikidata.org/wiki/Q1006032","display_name":"Discrete Fourier transform (general)","level":5,"score":0.5438587665557861},{"id":"https://openalex.org/C192853989","wikidata":"https://www.wikidata.org/wiki/Q1006531","display_name":"Discrete Hartley transform","level":5,"score":0.5206060409545898},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5138552188873291},{"id":"https://openalex.org/C70710897","wikidata":"https://www.wikidata.org/wiki/Q680081","display_name":"Separable space","level":2,"score":0.47847530245780945},{"id":"https://openalex.org/C153705960","wikidata":"https://www.wikidata.org/wiki/Q5163634","display_name":"Constant Q transform","level":5,"score":0.466880738735199},{"id":"https://openalex.org/C76563020","wikidata":"https://www.wikidata.org/wiki/Q4817582","display_name":"Fractional Fourier transform","level":4,"score":0.45522841811180115},{"id":"https://openalex.org/C67757890","wikidata":"https://www.wikidata.org/wiki/Q1567607","display_name":"Hartley transform","level":5,"score":0.43962329626083374},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.41307270526885986},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.32905542850494385},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3236994445323944},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.27240318059921265},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2676554322242737},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.24268785119056702},{"id":"https://openalex.org/C166386157","wikidata":"https://www.wikidata.org/wiki/Q1477735","display_name":"Short-time Fourier transform","level":4,"score":0.2168475091457367},{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.138978511095047},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.11753711104393005},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.08482679724693298},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","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},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0165-1684(00)00122-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0165-1684(00)00122-5","pdf_url":null,"source":{"id":"https://openalex.org/S154637859","display_name":"Signal Processing","issn_l":"0165-1684","issn":["0165-1684","1872-7557"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.6600000262260437}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1545934923","https://openalex.org/W1578846525","https://openalex.org/W1604949508","https://openalex.org/W1627054999","https://openalex.org/W1968939597","https://openalex.org/W1970798767","https://openalex.org/W1975301756","https://openalex.org/W1995144245","https://openalex.org/W2001802021","https://openalex.org/W2006538696","https://openalex.org/W2027735369","https://openalex.org/W2031614119","https://openalex.org/W2041146821","https://openalex.org/W2045870530","https://openalex.org/W2050672864","https://openalex.org/W2061326794","https://openalex.org/W2062083055","https://openalex.org/W2082132766","https://openalex.org/W2115002753","https://openalex.org/W2121973264","https://openalex.org/W2135962922","https://openalex.org/W2136766943","https://openalex.org/W2137434964","https://openalex.org/W2138196899","https://openalex.org/W2141020375","https://openalex.org/W2146409110","https://openalex.org/W2152928896","https://openalex.org/W2153006233","https://openalex.org/W2153384885","https://openalex.org/W2164247183","https://openalex.org/W2184687604","https://openalex.org/W2584851887","https://openalex.org/W3147539069","https://openalex.org/W4229951323","https://openalex.org/W4285719527","https://openalex.org/W6666138117"],"related_works":["https://openalex.org/W2155940912","https://openalex.org/W2120484676","https://openalex.org/W2086323236","https://openalex.org/W2024672858","https://openalex.org/W2056720749","https://openalex.org/W2086393337","https://openalex.org/W2903035460","https://openalex.org/W2047825277","https://openalex.org/W2014729675","https://openalex.org/W2135962922"],"abstract_inverted_index":null,"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}