{"id":"https://openalex.org/W198894078","doi":"https://doi.org/10.1007/978-3-642-33612-6_10","title":"Piecewise Structural Diffusion Defined on Shape Index for Noise Reduction in Dual-Energy CT Images","display_name":"Piecewise Structural Diffusion Defined on Shape Index for Noise Reduction in Dual-Energy CT Images","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W198894078","doi":"https://doi.org/10.1007/978-3-642-33612-6_10","mag":"198894078"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-642-33612-6_10","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-642-33612-6_10","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5071899499","display_name":"Wenli Cai","orcid":"https://orcid.org/0000-0001-5883-5383"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Wenli Cai","raw_affiliation_strings":["3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA"],"affiliations":[{"raw_affiliation_string":"3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA","institution_ids":["https://openalex.org/I4210087915","https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017984400","display_name":"June\u2010Goo Lee","orcid":"https://orcid.org/0000-0002-1380-6682"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"June-Goo Lee","raw_affiliation_strings":["3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA","Department of Radiology, University of Pittsburgh, 3362 Fifth Ave., USA","FARP/Imaging Research, Pittsburgh, Philadelphia, 15213, USA"],"affiliations":[{"raw_affiliation_string":"3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA","institution_ids":["https://openalex.org/I4210087915","https://openalex.org/I136199984"]},{"raw_affiliation_string":"Department of Radiology, University of Pittsburgh, 3362 Fifth Ave., USA","institution_ids":["https://openalex.org/I170201317"]},{"raw_affiliation_string":"FARP/Imaging Research, Pittsburgh, Philadelphia, 15213, USA","institution_ids":["https://openalex.org/I170201317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100726919","display_name":"Da Zhang","orcid":"https://orcid.org/0000-0002-2613-1354"},"institutions":[{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Da Zhang","raw_affiliation_strings":["3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA"],"affiliations":[{"raw_affiliation_string":"3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA","institution_ids":["https://openalex.org/I4210087915","https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073482849","display_name":"Christina Piel","orcid":null},"institutions":[{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I268975460","display_name":"Universit\u00e4tsklinikum Gie\u00dfen und Marburg","ror":"https://ror.org/032nzv584","country_code":"DE","type":"funder","lineage":["https://openalex.org/I268975460"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["DE","US"],"is_corresponding":false,"raw_author_name":"Christina Piel","raw_affiliation_strings":["3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA","Institut f\u00fcr Medizinische Physik und Strahlenschutz, University of Applied Sciences in Giessen, Wiesenstra\u00dfe 14, 35390, Giessen, Germany"],"affiliations":[{"raw_affiliation_string":"3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA","institution_ids":["https://openalex.org/I4210087915","https://openalex.org/I136199984"]},{"raw_affiliation_string":"Institut f\u00fcr Medizinische Physik und Strahlenschutz, University of Applied Sciences in Giessen, Wiesenstra\u00dfe 14, 35390, Giessen, Germany","institution_ids":["https://openalex.org/I268975460"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024160868","display_name":"Hiroyuki Yoshida","orcid":"https://orcid.org/0000-0003-1023-6933"},"institutions":[{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hiroyuki Yoshida","raw_affiliation_strings":["3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA","Department of Radiology, Massachusetts, 3D Imaging Research, General Hospital and Harvard Medical School, 25 New Chardon Street, Suite 400C, 20114, Boston, MA, USA"],"affiliations":[{"raw_affiliation_string":"3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon St., Suite 400C, Boston, Massachusetts, 02114, USA","institution_ids":["https://openalex.org/I4210087915","https://openalex.org/I136199984"]},{"raw_affiliation_string":"Department of Radiology, Massachusetts, 3D Imaging Research, General Hospital and Harvard Medical School, 25 New Chardon Street, Suite 400C, 20114, Boston, MA, USA","institution_ids":["https://openalex.org/I136199984"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5071899499"],"corresponding_institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.9112,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.72360751,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"88","last_page":"96"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9988999962806702,"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9962000250816345,"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/hessian-matrix","display_name":"Hessian matrix","score":0.7788906693458557},{"id":"https://openalex.org/keywords/anisotropic-diffusion","display_name":"Anisotropic diffusion","score":0.6282562017440796},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5450263023376465},{"id":"https://openalex.org/keywords/piecewise","display_name":"Piecewise","score":0.5265569686889648},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.518865704536438},{"id":"https://openalex.org/keywords/diffusion-mri","display_name":"Diffusion MRI","score":0.4994513988494873},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.47848719358444214},{"id":"https://openalex.org/keywords/imaging-phantom","display_name":"Imaging phantom","score":0.4765872657299042},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4424694776535034},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.43381303548812866},{"id":"https://openalex.org/keywords/tensor","display_name":"Tensor (intrinsic definition)","score":0.4304608702659607},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.41199982166290283},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.38383346796035767},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3621187210083008},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.33796384930610657},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.292294979095459},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.27987194061279297},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2486359179019928},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.2228897213935852},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.12561604380607605},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.10677874088287354},{"id":"https://openalex.org/keywords/radiology","display_name":"Radiology","score":0.08682045340538025}],"concepts":[{"id":"https://openalex.org/C203616005","wikidata":"https://www.wikidata.org/wiki/Q620495","display_name":"Hessian matrix","level":2,"score":0.7788906693458557},{"id":"https://openalex.org/C203504353","wikidata":"https://www.wikidata.org/wiki/Q4765461","display_name":"Anisotropic diffusion","level":3,"score":0.6282562017440796},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5450263023376465},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.5265569686889648},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.518865704536438},{"id":"https://openalex.org/C149550507","wikidata":"https://www.wikidata.org/wiki/Q899360","display_name":"Diffusion MRI","level":3,"score":0.4994513988494873},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.47848719358444214},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.4765872657299042},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4424694776535034},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.43381303548812866},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.4304608702659607},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.41199982166290283},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.38383346796035767},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3621187210083008},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.33796384930610657},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.292294979095459},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.27987194061279297},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2486359179019928},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2228897213935852},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.12561604380607605},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.10677874088287354},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.08682045340538025},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-642-33612-6_10","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-642-33612-6_10","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.9100000262260437}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W641931047","https://openalex.org/W1536200267","https://openalex.org/W1972037630","https://openalex.org/W1987153658","https://openalex.org/W1990811776","https://openalex.org/W2001435563","https://openalex.org/W2038839211","https://openalex.org/W2069342642","https://openalex.org/W2094365946","https://openalex.org/W2098652620","https://openalex.org/W2099832255","https://openalex.org/W2132715022","https://openalex.org/W2150134853","https://openalex.org/W2155346040","https://openalex.org/W2162106299","https://openalex.org/W2611234013"],"related_works":["https://openalex.org/W2611031068","https://openalex.org/W1704347466","https://openalex.org/W1996936972","https://openalex.org/W4283017538","https://openalex.org/W1545275724","https://openalex.org/W2475096862","https://openalex.org/W2113253962","https://openalex.org/W2379232376","https://openalex.org/W1992788508","https://openalex.org/W2007919187"],"abstract_inverted_index":null,"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}