{"id":"https://openalex.org/W2170594081","doi":"https://doi.org/10.1117/12.613297","title":"Amplitude contrast image enhancement in digital holography for particles analysis","display_name":"Amplitude contrast image enhancement in digital holography for particles analysis","publication_year":2005,"publication_date":"2005-08-18","ids":{"openalex":"https://openalex.org/W2170594081","doi":"https://doi.org/10.1117/12.613297","mag":"2170594081"},"language":"en","primary_location":{"id":"doi:10.1117/12.613297","doi":"https://doi.org/10.1117/12.613297","is_oa":true,"landing_page_url":"https://doi.org/10.1117/12.613297","pdf_url":"https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5878/587817/Amplitude-contrast-image-enhancement-in-digital-holography-for-particles-analysis/10.1117/12.613297.pdf","source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5878/587817/Amplitude-contrast-image-enhancement-in-digital-holography-for-particles-analysis/10.1117/12.613297.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034733987","display_name":"Vijay Raj Singh","orcid":"https://orcid.org/0000-0001-6880-9509","observed_orcids":["https://orcid.org/0000-0001-6880-9509"]},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Vijay R. Singh","raw_affiliation_strings":["Nanyang Technological Univ. (Singapore)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanyang Technological Univ. (Singapore)","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048946911","display_name":"Anand Asundi","orcid":"https://orcid.org/0000-0003-3835-4624","observed_orcids":["https://orcid.org/0000-0003-3835-4624"]},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Anand K. Asundi","raw_affiliation_strings":["Nanyang Technological Univ. (Singapore)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanyang Technological Univ. (Singapore)","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":9.5486,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.97431913,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"5878","issue":null,"first_page":"587817","last_page":"587817"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11897","display_name":"Digital Holography and Microscopy","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T11897","display_name":"Digital Holography and Microscopy","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T11996","display_name":"Random lasers and scattering media","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T10638","display_name":"Optical measurement and interference techniques","score":0.0,"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/digital-in-line-holography","display_name":"digital in-line holography","score":0.9810000061988831},{"id":"https://openalex.org/keywords/amplitude-contrast","display_name":"amplitude contrast","score":0.6840000152587891},{"id":"https://openalex.org/keywords/image-enhancement","display_name":"image enhancement","score":0.6980000138282776},{"id":"https://openalex.org/keywords/defocus","display_name":"defocus","score":0.7239999771118164},{"id":"https://openalex.org/keywords/particle-analysis","display_name":"particle analysis","score":0.6420000195503235}],"concepts":[{"id":"https://openalex.org/C187590223","wikidata":"https://www.wikidata.org/wiki/Q527628","display_name":"Holography","level":2,"score":0.8144314289093018},{"id":"https://openalex.org/C2776640645","wikidata":"https://www.wikidata.org/wiki/Q1224906","display_name":"Digital holography","level":3,"score":0.7392046451568604},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.6492459774017334},{"id":"https://openalex.org/C2778045333","wikidata":"https://www.wikidata.org/wiki/Q5157395","display_name":"Computer-generated holography","level":3,"score":0.5146582722663879},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.49297451972961426},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.48273131251335144},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.4812062084674835},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4715338349342346},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.45870575308799744},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4526970684528351},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4432193636894226},{"id":"https://openalex.org/C42781572","wikidata":"https://www.wikidata.org/wiki/Q1250322","display_name":"Digital image","level":4,"score":0.4219539761543274},{"id":"https://openalex.org/C59994255","wikidata":"https://www.wikidata.org/wiki/Q5276092","display_name":"Digital holographic microscopy","level":3,"score":0.42136022448539734},{"id":"https://openalex.org/C40308292","wikidata":"https://www.wikidata.org/wiki/Q122518","display_name":"Plane wave","level":2,"score":0.4110792577266693},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.39662423729896545},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3367767333984375},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.2941112220287323},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21560236811637878},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.08083409070968628}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1117/12.613297","doi":"https://doi.org/10.1117/12.613297","is_oa":true,"landing_page_url":"https://doi.org/10.1117/12.613297","pdf_url":"https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5878/587817/Amplitude-contrast-image-enhancement-in-digital-holography-for-particles-analysis/10.1117/12.613297.pdf","source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},{"id":"pmh:oai:dr.ntu.edu.sg:10356/94357","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10220/7191","pdf_url":null,"source":{"id":"https://openalex.org/S4306402609","display_name":"DR-NTU (Nanyang Technological University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I172675005","host_organization_name":"Nanyang Technological University","host_organization_lineage":["https://openalex.org/I172675005"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference Paper"}],"best_oa_location":{"id":"doi:10.1117/12.613297","doi":"https://doi.org/10.1117/12.613297","is_oa":true,"landing_page_url":"https://doi.org/10.1117/12.613297","pdf_url":"https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5878/587817/Amplitude-contrast-image-enhancement-in-digital-holography-for-particles-analysis/10.1117/12.613297.pdf","source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2170594081.pdf","grobid_xml":"https://content.openalex.org/works/W2170594081.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W1658472922","https://openalex.org/W1666853924","https://openalex.org/W1983348509","https://openalex.org/W1996311446","https://openalex.org/W2004437135","https://openalex.org/W2015526235","https://openalex.org/W2017388311","https://openalex.org/W2063983892","https://openalex.org/W2075406193","https://openalex.org/W2105622061","https://openalex.org/W2148810568","https://openalex.org/W2162355370","https://openalex.org/W2162805733","https://openalex.org/W2169774107","https://openalex.org/W6637267044"],"related_works":["https://openalex.org/W2385828475","https://openalex.org/W2385886458","https://openalex.org/W1964878868","https://openalex.org/W2264859682","https://openalex.org/W2313385174","https://openalex.org/W3202607423","https://openalex.org/W2089832455","https://openalex.org/W2414266159","https://openalex.org/W7097039017","https://openalex.org/W1430302008"],"abstract_inverted_index":{"In-line":[0],"digital":[1,29,97],"holography":[2],"is":[3,92,111],"presented":[4],"for":[5,54],"the":[6,24,36,69,72,84],"particles":[7,55,70,103],"analysis":[8],"in":[9,27],"3-D.":[10],"The":[11,57],"presence":[12],"of":[13,50,59,74,86],"zero":[14,60],"order":[15,61],"wave,":[16,19],"conjugate":[17,63],"image":[18,25,64],"and":[20,66,81],"defocused":[21],"images":[22],"degrade":[23],"quality":[26],"in-line":[28,96],"holography.":[30],"In":[31],"this":[32,110],"paper":[33],"we":[34],"utilise":[35],"numerical":[37],"reconstruction":[38],"process":[39],"to":[40,94,99],"minimise":[41],"these":[42],"effects.":[43],"We":[44],"present":[45],"a":[46,114],"new":[47],"subtraction":[48],"method":[49,91],"reconstructed":[51,87],"wave":[52,65],"fields":[53],"analysis.":[56],"effects":[58],"term,":[62],"more":[67],"importantly":[68],"outside":[71],"plane":[73],"interest":[75],"(defocused":[76],"images)":[77],"are":[78],"simultaneously":[79],"minimized,":[80],"thus":[82],"improve":[83],"contrast":[85],"amplitude":[88],"images.":[89],"This":[90],"useful":[93],"slice":[95],"holograms":[98],"display":[100],"only":[101],"in-focus":[102],"at":[104],"any":[105],"particular":[106],"plane.":[107],"Furthermore":[108],"all":[109],"accomplished":[112],"from":[113],"single":[115],"hologram":[116],"with":[117],"no":[118],"additional":[119],"pre":[120],"or":[121],"post":[122],"processing":[123],"required.":[124]},"counts_by_year":[{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}
