{"id":"https://openalex.org/W4408941212","doi":"https://doi.org/10.1109/lra.2025.3555790","title":"Exploring the Simplification Limit of Deep Network Features With Subway Positioning Task","display_name":"Exploring the Simplification Limit of Deep Network Features With Subway Positioning Task","publication_year":2025,"publication_date":"2025-03-29","ids":{"openalex":"https://openalex.org/W4408941212","doi":"https://doi.org/10.1109/lra.2025.3555790"},"language":"en","primary_location":{"id":"doi:10.1109/lra.2025.3555790","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lra.2025.3555790","pdf_url":null,"source":{"id":"https://openalex.org/S4210169774","display_name":"IEEE Robotics and Automation Letters","issn_l":"2377-3766","issn":["2377-3766"],"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 Robotics and Automation 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/A5113952140","display_name":"Jiajie Song","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiajie Song","raw_affiliation_strings":["School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5400-4467","affiliations":[{"raw_affiliation_string":"School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050083247","display_name":"Ningfang Song","orcid":"https://orcid.org/0000-0002-5224-4643"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ningfang Song","raw_affiliation_strings":["School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5224-4643","affiliations":[{"raw_affiliation_string":"School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022699091","display_name":"Jingchun Cheng","orcid":"https://orcid.org/0000-0001-7596-5067"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingchun Cheng","raw_affiliation_strings":["School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7596-5067","affiliations":[{"raw_affiliation_string":"School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101612233","display_name":"Xiaoxin Liu","orcid":"https://orcid.org/0000-0001-9029-4775"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoxin Liu","raw_affiliation_strings":["School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085717320","display_name":"Xiong Pan","orcid":"https://orcid.org/0000-0002-2540-0778"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiong Pan","raw_affiliation_strings":["School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-2540-0778","affiliations":[{"raw_affiliation_string":"School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04206785,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":"5","first_page":"4922","last_page":"4929"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10799","display_name":"Data Visualization and Analytics","score":0.9649999737739563,"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/T10799","display_name":"Data Visualization and Analytics","score":0.9649999737739563,"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/T11719","display_name":"Data Quality and Management","score":0.9302999973297119,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12016","display_name":"Web Data Mining and Analysis","score":0.9247000217437744,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/limit","display_name":"Limit (mathematics)","score":0.5929338932037354},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.561671257019043},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5294166207313538},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.42119282484054565},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22671610116958618},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17992478609085083},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.13725203275680542},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.07080864906311035}],"concepts":[{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.5929338932037354},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.561671257019043},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5294166207313538},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.42119282484054565},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22671610116958618},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17992478609085083},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.13725203275680542},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.07080864906311035}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lra.2025.3555790","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lra.2025.3555790","pdf_url":null,"source":{"id":"https://openalex.org/S4210169774","display_name":"IEEE Robotics and Automation Letters","issn_l":"2377-3766","issn":["2377-3766"],"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 Robotics and Automation Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5099999904632568,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1677409904","https://openalex.org/W1929856797","https://openalex.org/W2048710758","https://openalex.org/W2117228865","https://openalex.org/W2141584146","https://openalex.org/W2151103935","https://openalex.org/W2565316591","https://openalex.org/W2594519801","https://openalex.org/W2752709290","https://openalex.org/W2952181406","https://openalex.org/W2963170338","https://openalex.org/W2963200201","https://openalex.org/W2963748588","https://openalex.org/W3009931536","https://openalex.org/W3043075211","https://openalex.org/W3043971245","https://openalex.org/W3048686556","https://openalex.org/W3092269822","https://openalex.org/W3094157180","https://openalex.org/W3110964987","https://openalex.org/W3126837140","https://openalex.org/W3144350914","https://openalex.org/W3166285241","https://openalex.org/W4375864179","https://openalex.org/W4386075582","https://openalex.org/W4386883614","https://openalex.org/W4390874369","https://openalex.org/W4406856826","https://openalex.org/W6752208963","https://openalex.org/W6765499649","https://openalex.org/W6770485707"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"This":[0],"paper":[1],"addresses":[2],"vision-based":[3,162],"subway":[4,79,163],"positioning,":[5,80],"a":[6,45,51,93,132,139],"significant":[7],"yet":[8],"challenging":[9],"task":[10],"due":[11],"to":[12,55,70,152],"the":[13,57,107,112,161],"low-lighting":[14],"and":[15,34,61,126,138,172],"sparse-texture":[16],"conditions":[17],"in":[18],"tunnels.":[19],"Traditional":[20],"features":[21,29,74],"struggle":[22],"with":[23],"temporal":[24],"correspondence.":[25],"While":[26],"deep":[27,65,72,155],"network":[28,73,156],"are":[30],"effective,":[31],"their":[32],"computational":[33,127],"storage":[35],"demands":[36],"make":[37],"them":[38],"unsuitable":[39],"for":[40,75,87],"on-board":[41,83],"systems.":[42],"We":[43],"propose":[44],"simple-structured":[46],"feature":[47,85,108],"extractor,":[48],"trained":[49],"via":[50],"student-teacher":[52],"distillation":[53],"framework":[54],"inherit":[56],"powerful":[58],"pattern":[59],"mining":[60],"abstraction":[62],"capabilities":[63,110],"of":[64,111,135,142,154],"networks.":[66],"Our":[67,129],"goal":[68],"is":[69],"simplify":[71],"fixed-route":[76],"applications":[77],"like":[78],"developing":[81],"an":[82,120],"efficient":[84],"extractor":[86],"practical":[88],"applications.":[89],"Specifically,":[90],"we":[91,105],"design":[92],"single-layer":[94],"convolution":[95],"operator":[96],"as":[97],"our":[98,167],"student":[99],"network.":[100],"Through":[101],"discriminability":[102],"augmented":[103],"distillation,":[104],"compress":[106],"extraction":[109],"state-of-the-art":[113],"SiLK":[114],"into":[115],"this":[116],"compact":[117],"model,":[118],"achieving":[119],"optimal":[121],"balance":[122],"between":[123],"descriptive":[124],"power":[125],"efficiency.":[128],"method":[130,168],"achieves":[131],"model":[133],"size":[134],"2":[136],"KB":[137],"processing":[140],"speed":[141,171],"1453":[143],"FPS,":[144],"while":[145],"maintaining":[146],"high":[147],"homography":[148],"estimation":[149],"accuracy":[150],"comparable":[151],"those":[153],"features.":[157],"Extensive":[158],"experiments":[159],"on":[160],"positioning":[164],"dataset":[165],"show":[166],"offers":[169],"superior":[170],"deployability":[173],"without":[174],"losing":[175],"accuracy.":[176]},"counts_by_year":[],"updated_date":"2025-12-19T19:40:27.379048","created_date":"2025-10-10T00:00:00"}