{"id":"https://openalex.org/W1991951785","doi":"https://doi.org/10.1109/apccas.2014.7032820","title":"A dual-exposure in-pixel charge subtraction CTIA CMOS image sensor for centroid measurement in star trackers","display_name":"A dual-exposure in-pixel charge subtraction CTIA CMOS image sensor for centroid measurement in star trackers","publication_year":2014,"publication_date":"2014-11-01","ids":{"openalex":"https://openalex.org/W1991951785","doi":"https://doi.org/10.1109/apccas.2014.7032820","mag":"1991951785"},"language":"en","primary_location":{"id":"doi:10.1109/apccas.2014.7032820","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2014.7032820","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","raw_type":"proceedings-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/A5056495776","display_name":"Xinyuan Qian","orcid":"https://orcid.org/0000-0002-9511-6713"},"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":true,"raw_author_name":"Xinyuan Qian","raw_affiliation_strings":["Satellite Research Center","Satellite Research Center, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"Satellite Research Center","institution_ids":[]},{"raw_affiliation_string":"Satellite Research Center, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010019894","display_name":"Menghan Guo","orcid":"https://orcid.org/0009-0001-4887-5952"},"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":"Menghan Guo","raw_affiliation_strings":["Satellite Research Center","Satellite Research Center, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"Satellite Research Center","institution_ids":[]},{"raw_affiliation_string":"Satellite Research Center, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100432181","display_name":"Hang Yu","orcid":"https://orcid.org/0000-0002-5818-686X"},"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":"Hang Yu","raw_affiliation_strings":["Satellite Research Center","Satellite Research Center, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"Satellite Research Center","institution_ids":[]},{"raw_affiliation_string":"Satellite Research Center, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102806139","display_name":"Shoushun Chen","orcid":"https://orcid.org/0000-0002-5451-0028"},"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":"Shoushun Chen","raw_affiliation_strings":["VIRTUS IC Design Center of Excellence, Nanyang Technological University, Singapore","Virtus IC-Design Center of Excellence, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"VIRTUS IC Design Center of Excellence, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Virtus IC-Design Center of Excellence, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074636871","display_name":"Kay\u2010Soon Low","orcid":"https://orcid.org/0000-0002-6017-6943"},"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":"Kay Soon Low","raw_affiliation_strings":["Satellite Research Center","Satellite Research Center, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"Satellite Research Center","institution_ids":[]},{"raw_affiliation_string":"Satellite Research Center, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5056495776"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":0.8098,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.79625611,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"467","last_page":"470"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11325","display_name":"Inertial Sensor and Navigation","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.9984999895095825,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.7133138179779053},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.6238444447517395},{"id":"https://openalex.org/keywords/image-sensor","display_name":"Image sensor","score":0.5655094385147095},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.5400069952011108},{"id":"https://openalex.org/keywords/star-tracker","display_name":"Star tracker","score":0.47541099786758423},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.24390757083892822},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.18700098991394043},{"id":"https://openalex.org/keywords/astronomy","display_name":"Astronomy","score":0.0962803065776825}],"concepts":[{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.7133138179779053},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6238444447517395},{"id":"https://openalex.org/C76935873","wikidata":"https://www.wikidata.org/wiki/Q209121","display_name":"Image sensor","level":2,"score":0.5655094385147095},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.5400069952011108},{"id":"https://openalex.org/C2777805442","wikidata":"https://www.wikidata.org/wiki/Q3561009","display_name":"Star tracker","level":3,"score":0.47541099786758423},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.24390757083892822},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.18700098991394043},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0962803065776825},{"id":"https://openalex.org/C29829512","wikidata":"https://www.wikidata.org/wiki/Q40218","display_name":"Spacecraft","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apccas.2014.7032820","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2014.7032820","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1936211666","https://openalex.org/W1996332175","https://openalex.org/W2001951122","https://openalex.org/W2087940982","https://openalex.org/W2155412049","https://openalex.org/W2158904135","https://openalex.org/W2164886308"],"related_works":["https://openalex.org/W2022123780","https://openalex.org/W2349576212","https://openalex.org/W1981776476","https://openalex.org/W2352535872","https://openalex.org/W1590693222","https://openalex.org/W2382967348","https://openalex.org/W2944239605","https://openalex.org/W1873415836","https://openalex.org/W2384185505","https://openalex.org/W2334823507"],"abstract_inverted_index":{"In":[0,48,112],"this":[1],"work,":[2],"we":[3,62,119],"present":[4],"a":[5,64,73,122,127],"CMOS":[6,138],"image":[7],"sensor":[8],"for":[9],"star":[10,14,20,33],"centroid":[11],"measurement":[12,93],"in":[13,31,42],"trackers.":[15],"The":[16],"analysis":[17],"of":[18,126],"the":[19,32,38,45,78,86,99,116],"tracker":[21],"system":[22],"shows":[23],"that":[24],"long":[25],"integration":[26,60,75],"will":[27],"cause":[28],"\"tail":[29],"effect\"":[30],"image.":[34],"It":[35],"significantly":[36],"reduces":[37],"signal":[39,137],"magnitude,":[40],"which":[41,88],"turn":[43],"increases":[44],"centroiding":[46],"errors.":[47,94],"order":[49,113],"to":[50,103,114],"capture":[51],"limited":[52],"photons":[53],"generated":[54],"from":[55],"dim":[56],"stars":[57,82],"within":[58],"shortened":[59],"time,":[61],"propose":[63],"new":[65],"capacitive":[66],"transimpedance":[67],"amplifier":[68],"(CTIA)":[69],"pixel":[70,97,100,117,129],"architecture":[71],"with":[72],"small":[74],"capacitor.":[76],"On":[77],"other":[79],"hand,":[80],"bright":[81],"can":[83,89],"easily":[84],"saturate":[85],"pixels,":[87],"also":[90],"induce":[91],"significant":[92],"To":[95],"avoid":[96],"saturation,":[98],"is":[101],"able":[102],"perform":[104],"in-pixel":[105],"charge":[106],"subtraction":[107],"based":[108],"on":[109],"photocurrent":[110],"thresholding.":[111],"validate":[115],"design,":[118],"have":[120],"fabricated":[121],"test":[123],"chip":[124],"consisting":[125],"4\u00d74":[128],"array":[130],"using":[131],"Global":[132],"Foundry":[133],"65":[134],"nm":[135],"mixed":[136],"process.":[139]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
