{"id":"https://openalex.org/W2346610652","doi":"https://doi.org/10.1109/lsp.2016.2562504","title":"Robust X-Ray Phase Ptycho-Tomography","display_name":"Robust X-Ray Phase Ptycho-Tomography","publication_year":2016,"publication_date":"2016-05-04","ids":{"openalex":"https://openalex.org/W2346610652","doi":"https://doi.org/10.1109/lsp.2016.2562504","mag":"2346610652"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2016.2562504","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2016.2562504","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","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/A5077586593","display_name":"Singanallur Venkatakrishnan","orcid":"https://orcid.org/0000-0002-7637-4987"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Singanallur V. Venkatakrishnan","raw_affiliation_strings":["Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002978525","display_name":"Maryam Farmand","orcid":null},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Maryam Farmand","raw_affiliation_strings":["Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066192465","display_name":"Young\u2010Sang Yu","orcid":"https://orcid.org/0000-0002-0545-9019"},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]},{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Young-Sang Yu","raw_affiliation_strings":["Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA","Department of Chemistry, University of Illinois, Chicago, IL, USA"],"affiliations":[{"raw_affiliation_string":"Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]},{"raw_affiliation_string":"Department of Chemistry, University of Illinois, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077772030","display_name":"Hasti Majidi","orcid":null},"institutions":[{"id":"https://openalex.org/I84218800","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hasti Majidi","raw_affiliation_strings":["Department of Materials Science and Engineering, University of California, Davis, CA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, University of California, Davis, CA, USA","institution_ids":["https://openalex.org/I84218800"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038785993","display_name":"Klaus van Benthem","orcid":"https://orcid.org/0000-0001-8865-046X"},"institutions":[{"id":"https://openalex.org/I84218800","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Klaus van Benthem","raw_affiliation_strings":["Department of Materials Science and Engineering, University of California, Davis, CA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, University of California, Davis, CA, USA","institution_ids":["https://openalex.org/I84218800"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079976946","display_name":"Stefano Marchesini","orcid":"https://orcid.org/0000-0002-6798-2913"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Stefano Marchesini","raw_affiliation_strings":["Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017349953","display_name":"David A. Shapiro","orcid":"https://orcid.org/0000-0002-4186-6017"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David A. Shapiro","raw_affiliation_strings":["Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074108237","display_name":"Alexander Hexemer","orcid":"https://orcid.org/0000-0002-5269-0125"},"institutions":[{"id":"https://openalex.org/I148283060","display_name":"Lawrence Berkeley National Laboratory","ror":"https://ror.org/02jbv0t02","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I148283060","https://openalex.org/I39565521"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alexander Hexemer","raw_affiliation_strings":["Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA","institution_ids":["https://openalex.org/I148283060"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5077586593"],"corresponding_institution_ids":["https://openalex.org/I148283060"],"apc_list":null,"apc_paid":null,"fwci":3.5883,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.91597841,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"23","issue":"7","first_page":"944","last_page":"948"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11183","display_name":"Advanced X-ray Imaging Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11183","display_name":"Advanced X-ray Imaging Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9968000054359436,"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9923999905586243,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.7477564811706543},{"id":"https://openalex.org/keywords/tomographic-reconstruction","display_name":"Tomographic reconstruction","score":0.6044955849647522},{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.5638747215270996},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5600846409797668},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5551087856292725},{"id":"https://openalex.org/keywords/outlier","display_name":"Outlier","score":0.5276642441749573},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.5073115229606628},{"id":"https://openalex.org/keywords/phase-retrieval","display_name":"Phase retrieval","score":0.48455682396888733},{"id":"https://openalex.org/keywords/inverse-problem","display_name":"Inverse problem","score":0.4735870957374573},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4502710998058319},{"id":"https://openalex.org/keywords/ptychography","display_name":"Ptychography","score":0.45013606548309326},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.41152700781822205},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.33356553316116333},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.24924716353416443},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.21509689092636108},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17838993668556213},{"id":"https://openalex.org/keywords/diffraction","display_name":"Diffraction","score":0.09954369068145752}],"concepts":[{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.7477564811706543},{"id":"https://openalex.org/C97742081","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Tomographic reconstruction","level":3,"score":0.6044955849647522},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.5638747215270996},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5600846409797668},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5551087856292725},{"id":"https://openalex.org/C79337645","wikidata":"https://www.wikidata.org/wiki/Q779824","display_name":"Outlier","level":2,"score":0.5276642441749573},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.5073115229606628},{"id":"https://openalex.org/C81793267","wikidata":"https://www.wikidata.org/wiki/Q7180962","display_name":"Phase retrieval","level":3,"score":0.48455682396888733},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.4735870957374573},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4502710998058319},{"id":"https://openalex.org/C78153596","wikidata":"https://www.wikidata.org/wiki/Q7257147","display_name":"Ptychography","level":3,"score":0.45013606548309326},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.41152700781822205},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33356553316116333},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.24924716353416443},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.21509689092636108},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17838993668556213},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.09954369068145752},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2016.2562504","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2016.2562504","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.75}],"awards":[{"id":"https://openalex.org/G4281531572","display_name":null,"funder_award_id":"#W911NF1210491","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G4765136298","display_name":null,"funder_award_id":"DOE-DE-AC03-76SF00098","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"}],"funders":[{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"},{"id":"https://openalex.org/F4320337480","display_name":"Basic Energy Sciences","ror":"https://ror.org/05mg91w61"},{"id":"https://openalex.org/F4320338281","display_name":"Army Research Office","ror":"https://ror.org/05epdh915"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1925354503","https://openalex.org/W1977901803","https://openalex.org/W1983373152","https://openalex.org/W1986262252","https://openalex.org/W1996201751","https://openalex.org/W2003624223","https://openalex.org/W2013280482","https://openalex.org/W2021594562","https://openalex.org/W2022462155","https://openalex.org/W2037521346","https://openalex.org/W2053155454","https://openalex.org/W2101301278","https://openalex.org/W2104455572","https://openalex.org/W2116749344","https://openalex.org/W2124678094","https://openalex.org/W2141991262","https://openalex.org/W2142894245","https://openalex.org/W2144132602","https://openalex.org/W2161169693","https://openalex.org/W2165399609","https://openalex.org/W2953002888","https://openalex.org/W4205806204"],"related_works":["https://openalex.org/W2107277679","https://openalex.org/W3007912468","https://openalex.org/W3129129288","https://openalex.org/W2976010825","https://openalex.org/W4289638512","https://openalex.org/W4285240012","https://openalex.org/W2604617411","https://openalex.org/W4225764830","https://openalex.org/W2964101692","https://openalex.org/W1896326723"],"abstract_inverted_index":{"Synchrotron-based":[0],"soft":[1],"X-ray":[2,96],"ptychography":[3],"has":[4],"enabled":[5],"the":[6,10,19,48,103,120,137,152,178],"reconstruction":[7,43,70,93,104],"of":[8,15,65,151],"both":[9],"phase":[11,25,98,174],"and":[12,21,32,56],"attenuation":[13],"projections":[14],"samples":[16],"relevant":[17],"to":[18,60,139,147,171,177],"physical":[20],"biological":[22],"sciences.":[23],"The":[24],"projection":[26,76,182],"images":[27],"typically":[28,179],"have":[29,51],"higher":[30],"fidelity":[31],"hence":[33],"are":[34],"used":[35,180],"for":[36,95,118],"tomographic":[37,42],"reconstruction.":[38],"In":[39,84],"practice,":[40],"three-dimensional":[41],"can":[44,77],"be":[45,58,140],"challenging":[46],"because":[47],"measurements":[49],"may":[50,57],"outliers,":[52,126],"a":[53,61,89,106,111,144,149,158,163],"fluctuating":[54,121],"background":[55,122],"restricted":[59],"limited":[62],"angular":[63],"range":[64],"sample":[66],"rotations.":[67],"Thus,":[68],"conventional":[69,187],"algorithms":[71],"such":[72],"as":[73,105,123,125,160,162,184,186],"filtered":[74],"back":[75],"result":[78],"in":[79],"reconstructions":[80,175],"with":[81,128],"strong":[82],"artifacts.":[83],"this":[85],"paper,":[86],"we":[87],"present":[88],"robust":[90],"model-based":[91],"iterative":[92],"algorithm":[94,183],"ptychography-based":[97],"tomography.":[99],"Our":[100],"method":[101],"casts":[102],"regularized":[107,188],"inverse":[108],"problem,":[109],"involving":[110],"novel":[112],"data":[113],"fitting":[114],"term":[115,132],"that":[116,133,167],"accounts":[117],"noise,":[119],"well":[124,161,185],"combined":[127],"an":[129],"image":[130],"model":[131],"enforces":[134],"regularity":[135],"on":[136,157],"volume":[138],"reconstructed.":[141],"We":[142],"use":[143],"majorization-minimization":[145],"strategy":[146],"find":[148],"minimum":[150],"formulated":[153],"cost":[154],"function.":[155],"Reconstructions":[156],"simulated":[159],"real":[164],"dataset":[165],"show":[166],"it":[168],"is":[169],"possible":[170],"acquire":[172],"high-quality":[173],"compared":[176],"filtered-back":[181],"inversion":[189],"approaches.":[190]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":4}],"updated_date":"2026-04-13T07:58:08.660418","created_date":"2025-10-10T00:00:00"}