{"id":"https://openalex.org/W4391096966","doi":"https://doi.org/10.1109/tci.2024.3354426","title":"Spatially Varying Exposure With 2-by-2 Multiplexing: Optimality and Universality","display_name":"Spatially Varying Exposure With 2-by-2 Multiplexing: Optimality and Universality","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4391096966","doi":"https://doi.org/10.1109/tci.2024.3354426"},"language":"en","primary_location":{"id":"doi:10.1109/tci.2024.3354426","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tci.2024.3354426","pdf_url":null,"source":{"id":"https://openalex.org/S4210233665","display_name":"IEEE Transactions on Computational Imaging","issn_l":"2333-9403","issn":["2333-9403","2573-0436"],"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 Transactions on Computational Imaging","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/A5101501883","display_name":"Xiangyu Qu","orcid":"https://orcid.org/0009-0003-0357-8641"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Xiangyu Qu","raw_affiliation_strings":["School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069107327","display_name":"Yiheng Chi","orcid":"https://orcid.org/0009-0000-1281-0615"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yiheng Chi","raw_affiliation_strings":["School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007938446","display_name":"Stanley H. Chan","orcid":"https://orcid.org/0000-0001-5876-2073"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Stanley H. Chan","raw_affiliation_strings":["School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101501883"],"corresponding_institution_ids":["https://openalex.org/I219193219"],"apc_list":null,"apc_paid":null,"fwci":1.6498,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.83210875,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"10","issue":null,"first_page":"261","last_page":"276"},"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/T11019","display_name":"Image Enhancement Techniques","score":0.9998000264167786,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9994000196456909,"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/pixel","display_name":"Pixel","score":0.783973753452301},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.7069583535194397},{"id":"https://openalex.org/keywords/multiplex","display_name":"Multiplex","score":0.6530119180679321},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5798611640930176},{"id":"https://openalex.org/keywords/universality","display_name":"Universality (dynamical systems)","score":0.5411097407341003},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.41624295711517334},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3882417380809784},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.38352900743484497},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11876299977302551}],"concepts":[{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.783973753452301},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.7069583535194397},{"id":"https://openalex.org/C2781188995","wikidata":"https://www.wikidata.org/wiki/Q6934982","display_name":"Multiplex","level":2,"score":0.6530119180679321},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5798611640930176},{"id":"https://openalex.org/C183992945","wikidata":"https://www.wikidata.org/wiki/Q2495574","display_name":"Universality (dynamical systems)","level":2,"score":0.5411097407341003},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41624295711517334},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3882417380809784},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.38352900743484497},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11876299977302551},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C60644358","wikidata":"https://www.wikidata.org/wiki/Q128570","display_name":"Bioinformatics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tci.2024.3354426","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tci.2024.3354426","pdf_url":null,"source":{"id":"https://openalex.org/S4210233665","display_name":"IEEE Transactions on Computational Imaging","issn_l":"2333-9403","issn":["2333-9403","2573-0436"],"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 Transactions on Computational Imaging","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4123950033","display_name":null,"funder_award_id":"1763896","funder_id":"https://openalex.org/F4320335353","funder_display_name":"National Science Foundation of Sri Lanka"},{"id":"https://openalex.org/G5179622417","display_name":null,"funder_award_id":"2030570","funder_id":"https://openalex.org/F4320335353","funder_display_name":"National Science Foundation of Sri Lanka"},{"id":"https://openalex.org/G6543088033","display_name":null,"funder_award_id":"2134209","funder_id":"https://openalex.org/F4320335353","funder_display_name":"National Science Foundation of Sri Lanka"},{"id":"https://openalex.org/G728319064","display_name":null,"funder_award_id":"2133032","funder_id":"https://openalex.org/F4320335353","funder_display_name":"National Science Foundation of Sri Lanka"}],"funders":[{"id":"https://openalex.org/F4320335353","display_name":"National Science Foundation of Sri Lanka","ror":"https://ror.org/010xaa060"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W1980873599","https://openalex.org/W1991750682","https://openalex.org/W1996187304","https://openalex.org/W2000742556","https://openalex.org/W2017410652","https://openalex.org/W2020799651","https://openalex.org/W2036519436","https://openalex.org/W2037391681","https://openalex.org/W2100109944","https://openalex.org/W2103802376","https://openalex.org/W2107138380","https://openalex.org/W2109320267","https://openalex.org/W2116191264","https://openalex.org/W2133665775","https://openalex.org/W2141432549","https://openalex.org/W2152923834","https://openalex.org/W2158201077","https://openalex.org/W2161305109","https://openalex.org/W2255181819","https://openalex.org/W2293333004","https://openalex.org/W2508457857","https://openalex.org/W2608199208","https://openalex.org/W2736611505","https://openalex.org/W2765285631","https://openalex.org/W2920932716","https://openalex.org/W2962785568","https://openalex.org/W2963814976","https://openalex.org/W3006685773","https://openalex.org/W3016829532","https://openalex.org/W3034750442","https://openalex.org/W3035342194","https://openalex.org/W3104147594","https://openalex.org/W3107481791","https://openalex.org/W3108525898","https://openalex.org/W3133902371","https://openalex.org/W3136238150","https://openalex.org/W3151712549","https://openalex.org/W3170697543","https://openalex.org/W3173370405","https://openalex.org/W3206211787","https://openalex.org/W3212044080","https://openalex.org/W4225672218","https://openalex.org/W4226437515","https://openalex.org/W4285237090","https://openalex.org/W4292829033","https://openalex.org/W4293371073","https://openalex.org/W4297097661","https://openalex.org/W4297097682","https://openalex.org/W4308671338","https://openalex.org/W4316021944","https://openalex.org/W4386072458","https://openalex.org/W6713121434","https://openalex.org/W6773184699","https://openalex.org/W6791762923","https://openalex.org/W6846935660","https://openalex.org/W6902562910"],"related_works":["https://openalex.org/W1587914261","https://openalex.org/W2065095781","https://openalex.org/W4295724953","https://openalex.org/W4401870878","https://openalex.org/W3115068090","https://openalex.org/W332573842","https://openalex.org/W2204741347","https://openalex.org/W2170133876","https://openalex.org/W2370848225","https://openalex.org/W4285192699"],"abstract_inverted_index":{"The":[0],"advancement":[1],"of":[2,11,34,47,83,107,123,149,152,179,219],"new":[3,76,134],"digital":[4],"image":[5,18,188],"sensors":[6],"has":[7],"enabled":[8],"the":[9,45,63,71,81,96,102,108,121,124,129,138,150,163,177,180,187,197,201,209,217],"design":[10,50,178],"exposure":[12,141,220],"multiplexing":[13,52,64],"schemes":[14,53],"where":[15,62],"a":[16,35,93,133,146,170,193],"single":[17],"capture":[19],"can":[20,66,112,183],"have":[21],"multiple":[22],"exposures":[23],"and":[24],"conversion":[25],"gains":[26],"in":[27,216],"an":[28,157,222],"interlaced":[29],"format,":[30],"similar":[31],"to":[32,49,70,114,161],"that":[33,91,176,200,215],"Bayer":[36],"color":[37],"filter":[38],"array.":[39],"In":[40],"this":[41],"paper,":[42],"we":[43],"ask":[44],"question":[46],"how":[48],"such":[51],"for":[54],"<italic":[55,84,171],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[56,85,172],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">adaptive</i>":[57],"high-dynamic":[58],"range":[59],"(HDR)":[60],"imaging":[61],"scheme":[65],"be":[67,184,205,227],"updated":[68],"according":[69],"scenes.":[72],"We":[73,79,89,127,155,168],"present":[74,156],"two":[75],"findings.":[77],"(i)":[78],"address":[80],"problem":[82],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">design":[86,173],"optimality</i>":[87],".":[88],"show":[90],"given":[92],"multiplex":[94,165,181,202],"pattern,":[95],"conventional":[97],"optimality":[98],"criteria":[99],"based":[100],"on":[101],"input/output-referred":[103],"signal-to-noise":[104],"ratio":[105],"(SNR)":[106],"independently":[109],"measured":[110],"pixels":[111],"lead":[113],"flawed":[115],"decisions":[116],"because":[117],"it":[118],"cannot":[119],"encapsulate":[120],"location":[122],"saturated":[125],"pixels.":[126,154],"overcome":[128],"issue":[130],"by":[131],"proposing":[132],"concept":[135],"known":[136],"as":[137],"spatially":[139],"varying":[140],"risk":[142],"(SVE-Risk)":[143],"which":[144],"is":[145,192],"pseudo-idealistic":[147],"quantification":[148],"amount":[151],"recoverable":[153],"efficient":[158],"enumeration":[159],"algorithm":[160],"select":[162],"optimal":[164],"patterns.":[166],"(ii)":[167],"report":[169],"universality</i>":[174],"observation":[175],"pattern":[182,203],"decoupled":[185],"from":[186,196],"reconstruction":[189,210],"algorithm.":[190,211],"This":[191],"significant":[194],"departure":[195],"recent":[198],"literature":[199],"should":[204],"jointly":[206],"optimized":[207],"with":[208],"Our":[212],"finding":[213],"suggests":[214],"context":[218],"multiplexing,":[221],"end-to-end":[223],"training":[224],"may":[225],"not":[226],"necessary.":[228]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}