{"id":"https://openalex.org/W2141458800","doi":"https://doi.org/10.1109/iscas.2015.7169082","title":"Physical computing circuit with no clock to establish Gaussian pyramid of SIFT algorithm","display_name":"Physical computing circuit with no clock to establish Gaussian pyramid of SIFT algorithm","publication_year":2015,"publication_date":"2015-05-01","ids":{"openalex":"https://openalex.org/W2141458800","doi":"https://doi.org/10.1109/iscas.2015.7169082","mag":"2141458800"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2015.7169082","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2015.7169082","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Symposium on Circuits and Systems (ISCAS)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100419940","display_name":"Li Yi","orcid":"https://orcid.org/0000-0001-8973-3160"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Li","raw_affiliation_strings":["Dept. of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology","Institute of Circuit and System, Dept of Electronic Engineering, Tsinghua University, Tsinghua National Laboratory for Information Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology","institution_ids":[]},{"raw_affiliation_string":"Institute of Circuit and System, Dept of Electronic Engineering, Tsinghua University, Tsinghua National Laboratory for Information Science and Technology","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063901096","display_name":"Fei Qiao","orcid":"https://orcid.org/0000-0002-5054-9590"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Qiao","raw_affiliation_strings":["Dept. of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology","Institute of Circuit and System, Dept of Electronic Engineering, Tsinghua University, Tsinghua National Laboratory for Information Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology","institution_ids":[]},{"raw_affiliation_string":"Institute of Circuit and System, Dept of Electronic Engineering, Tsinghua University, Tsinghua National Laboratory for Information Science and Technology","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075311656","display_name":"Qi Wei","orcid":"https://orcid.org/0000-0003-3189-7562"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qi Wei","raw_affiliation_strings":["Dept. of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology","Institute of Circuit and System, Dept of Electronic Engineering, Tsinghua University, Tsinghua National Laboratory for Information Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology","institution_ids":[]},{"raw_affiliation_string":"Institute of Circuit and System, Dept of Electronic Engineering, Tsinghua University, Tsinghua National Laboratory for Information Science and Technology","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023755254","display_name":"Huazhong Yang","orcid":"https://orcid.org/0000-0003-2421-353X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huazhong Yang","raw_affiliation_strings":["Dept. of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology","Institute of Circuit and System, Dept of Electronic Engineering, Tsinghua University, Tsinghua National Laboratory for Information Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology","institution_ids":[]},{"raw_affiliation_string":"Institute of Circuit and System, Dept of Electronic Engineering, Tsinghua University, Tsinghua National Laboratory for Information Science and Technology","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2057","last_page":"2060"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T13114","display_name":"Image Processing Techniques and Applications","score":0.991599977016449,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T12389","display_name":"Infrared Target Detection Methodologies","score":0.9854999780654907,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6744850873947144},{"id":"https://openalex.org/keywords/gaussian-filter","display_name":"Gaussian filter","score":0.6314560174942017},{"id":"https://openalex.org/keywords/pyramid","display_name":"Pyramid (geometry)","score":0.5472658276557922},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.47794535756111145},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.4768306314945221},{"id":"https://openalex.org/keywords/electronic-circuit","display_name":"Electronic circuit","score":0.471381276845932},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4570668935775757},{"id":"https://openalex.org/keywords/gaussian-blur","display_name":"Gaussian blur","score":0.4502604603767395},{"id":"https://openalex.org/keywords/resistor","display_name":"Resistor","score":0.43225204944610596},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.41027235984802246},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.37804844975471497},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3306514322757721},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.22887220978736877},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1808452010154724},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17885851860046387},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13467034697532654},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.1317313313484192}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6744850873947144},{"id":"https://openalex.org/C65892221","wikidata":"https://www.wikidata.org/wiki/Q1113935","display_name":"Gaussian filter","level":3,"score":0.6314560174942017},{"id":"https://openalex.org/C142575187","wikidata":"https://www.wikidata.org/wiki/Q3358290","display_name":"Pyramid (geometry)","level":2,"score":0.5472658276557922},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.47794535756111145},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.4768306314945221},{"id":"https://openalex.org/C134146338","wikidata":"https://www.wikidata.org/wiki/Q1815901","display_name":"Electronic circuit","level":2,"score":0.471381276845932},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4570668935775757},{"id":"https://openalex.org/C104317376","wikidata":"https://www.wikidata.org/wiki/Q1894545","display_name":"Gaussian blur","level":5,"score":0.4502604603767395},{"id":"https://openalex.org/C137488568","wikidata":"https://www.wikidata.org/wiki/Q5321","display_name":"Resistor","level":3,"score":0.43225204944610596},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41027235984802246},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.37804844975471497},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3306514322757721},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.22887220978736877},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1808452010154724},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17885851860046387},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13467034697532654},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.1317313313484192},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2015.7169082","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2015.7169082","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Symposium on Circuits and Systems (ISCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W2005896277","https://openalex.org/W2048643691","https://openalex.org/W2117381950","https://openalex.org/W2124386111","https://openalex.org/W2126919075","https://openalex.org/W2152724437","https://openalex.org/W2162178025","https://openalex.org/W2164557638","https://openalex.org/W2169493175","https://openalex.org/W3089381401","https://openalex.org/W6670822752"],"related_works":["https://openalex.org/W2101906753","https://openalex.org/W4297891612","https://openalex.org/W2369676483","https://openalex.org/W2607133998","https://openalex.org/W2129038954","https://openalex.org/W1517067718","https://openalex.org/W3027828750","https://openalex.org/W2037102482","https://openalex.org/W2143382278","https://openalex.org/W2894234554"],"abstract_inverted_index":{"Physical":[0],"computing":[1,75],"scheme":[2],"of":[3,33,45,58,81,110,123,134,144,147,171,184,193],"active":[4,47,172],"resistor":[5,48,173],"network":[6,174],"is":[7,20,68,86,116,137,154,196],"proposed":[8],"in":[9,25,63,187],"this":[10],"paper":[11],"to":[12,54,119],"set":[13],"up":[14],"a":[15,121,157],"multi-scale":[16],"Gaussian":[17,23,61,112],"filter,":[18],"which":[19,50,105,188],"also":[21],"called":[22],"Pyramid":[24,62,113],"image":[26,35,160],"signal":[27,32],"processing.":[28],"The":[29,94],"analog":[30],"output":[31],"each":[34,145],"photodiode":[36],"could":[37,175],"be":[38],"directly":[39],"processed":[40],"by":[41],"the":[42,56,59,73,82,107,111,130,135,141,148,151,164,168,189],"circuit":[43,115,131,153],"topology":[44],"an":[46],"network,":[49],"has":[51,101],"been":[52,102],"pre-designed":[53],"meet":[55],"requirement":[57],"complicated":[60],"SIFT":[64],"algorithm.":[65],"Since":[66],"it":[67],"operated":[69],"with":[70,77,97,181],"no":[71],"clock,":[72],"physical":[74],"scheme,":[76],"only":[78],"setup":[79],"time":[80,133],"whole":[83],"processing":[84,114,136,166],"circuits,":[85],"much":[87],"faster":[88],"than":[89],"various":[90],"current":[91],"digital":[92],"realizations.":[93],"circuit-level":[95],"simulation":[96],"65nm":[98],"CMOS":[99,159],"technology":[100,192],"carried":[103],"out,":[104],"shows":[106],"energy":[108],"consumption":[109],"around":[117],"74.79pJ":[118],"filter":[120],"frame":[122],"256":[124,126],"\u00d7":[125],"pixel":[127],"image,":[128],"and":[129],"setting":[132],"about":[138],"138.03ps,":[139],"considering":[140],"parasitic":[142],"capacitances":[143],"nodes":[146],"circuits.":[149],"Furthermore,":[150],"presented":[152],"integrated":[155],"into":[156],"smart":[158],"sensor":[161],"architecture.":[162],"With":[163],"same":[165],"procedure,":[167],"new":[169],"method":[170],"achieve":[176],"1.58X":[177],"speedup":[178],"when":[179],"compared":[180],"its":[182],"counterpart":[183],"FPGA":[185],"implementation,":[186],"column-parallel":[190],"readout":[191],"analog-to-digital":[194],"convertor":[195],"used.":[197]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":4}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
