{"id":"https://openalex.org/W4253173415","doi":"https://doi.org/10.1109/visual.2002.1183793","title":"Scalable alignment of large-format multi-projector displays using camera homography trees","display_name":"Scalable alignment of large-format multi-projector displays using camera homography trees","publication_year":2003,"publication_date":"2003-06-26","ids":{"openalex":"https://openalex.org/W4253173415","doi":"https://doi.org/10.1109/visual.2002.1183793"},"language":"en","primary_location":{"id":"doi:10.1109/visual.2002.1183793","is_oa":false,"landing_page_url":"https://doi.org/10.1109/visual.2002.1183793","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Visualization, 2002. VIS 2002.","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/A5100325128","display_name":"Han Chen","orcid":"https://orcid.org/0000-0002-8602-0779"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Han Chen","raw_affiliation_strings":["Computer Science, Princeton University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science, Princeton University, USA","institution_ids":["https://openalex.org/I20089843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066107323","display_name":"Rahul Sukthankar","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. Sukthankar","raw_affiliation_strings":["HP Laboratories CRL, The Robotics Institute, CMU, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"HP Laboratories CRL, The Robotics Institute, CMU, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085041872","display_name":"G. Wallace","orcid":"https://orcid.org/0000-0003-0691-6944"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"G. Wallace","raw_affiliation_strings":["Computer Science, Princeton University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science, Princeton University, USA","institution_ids":["https://openalex.org/I20089843"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100399944","display_name":"Kai Li","orcid":"https://orcid.org/0000-0002-8336-9684"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kai Li","raw_affiliation_strings":["Computer Science, Princeton University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science, Princeton University, USA","institution_ids":["https://openalex.org/I20089843"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":91,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"339","last_page":"346"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10789","display_name":"Interactive and Immersive Displays","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T10789","display_name":"Interactive and Immersive Displays","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T10888","display_name":"Augmented Reality Applications","score":0.9990000128746033,"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/T11408","display_name":"Advanced Optical Imaging Technologies","score":0.9969000220298767,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/homography","display_name":"Homography","score":0.8166800737380981},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.8036166429519653},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7869511246681213},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7723289728164673},{"id":"https://openalex.org/keywords/projector","display_name":"Projector","score":0.6742997765541077},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.6077120304107666},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5888408422470093},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.47156283259391785},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08251523971557617}],"concepts":[{"id":"https://openalex.org/C28751775","wikidata":"https://www.wikidata.org/wiki/Q2112539","display_name":"Homography","level":4,"score":0.8166800737380981},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.8036166429519653},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7869511246681213},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7723289728164673},{"id":"https://openalex.org/C2776865275","wikidata":"https://www.wikidata.org/wiki/Q311666","display_name":"Projector","level":2,"score":0.6742997765541077},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.6077120304107666},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5888408422470093},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.47156283259391785},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08251523971557617},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C75280867","wikidata":"https://www.wikidata.org/wiki/Q877775","display_name":"Projective space","level":3,"score":0.0},{"id":"https://openalex.org/C177846678","wikidata":"https://www.wikidata.org/wiki/Q1501864","display_name":"Projective test","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/visual.2002.1183793","is_oa":false,"landing_page_url":"https://doi.org/10.1109/visual.2002.1183793","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Visualization, 2002. VIS 2002.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.49000000953674316,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W58172775","https://openalex.org/W1610978399","https://openalex.org/W2119776195","https://openalex.org/W2120106651","https://openalex.org/W2124535811","https://openalex.org/W2141097020","https://openalex.org/W2142218318","https://openalex.org/W2170549385","https://openalex.org/W4232696329","https://openalex.org/W6602319793","https://openalex.org/W6678568671","https://openalex.org/W6680719657","https://openalex.org/W6685198389"],"related_works":["https://openalex.org/W3012121929","https://openalex.org/W2143304947","https://openalex.org/W3011972875","https://openalex.org/W1970213222","https://openalex.org/W4206062970","https://openalex.org/W2265887721","https://openalex.org/W1486952208","https://openalex.org/W2361652954","https://openalex.org/W3036957590","https://openalex.org/W4312361509"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,23,75,109],"vision-based":[4],"geometric":[5],"alignment":[6,103,126],"system":[7,90,120],"for":[8],"aligning":[9,57],"the":[10,32,36,63,88],"projectors":[11],"in":[12,29,56,112,136],"an":[13],"arbitrarily":[14],"large":[15],"display":[16,33,64,111,124,133],"wall.":[17],"Existing":[18],"algorithms":[19],"typically":[20],"rely":[21],"on":[22,108,129,148],"single":[24],"camera":[25,37,50,76,86],"view":[26],"and":[27,73,94,135],"degrade":[28],"accuracy":[30,146],"as":[31],"resolution":[34,38],"exceeds":[35],"by":[39],"several":[40],"orders":[41],"of":[42,84,105,152],"magnitude.":[43],"Naive":[44],"approaches":[45],"to":[46,66,79,121],"integrating":[47],"multiple":[48],"zoomed":[49],"views":[51,59],"fail":[52],"since":[53],"small":[54],"errors":[55,104],"adjacent":[58],"propagate":[60],"quickly":[61],"over":[62],"surface":[65],"create":[67],"glaring":[68],"discontinuities.":[69],"Our":[70],"algorithm":[71],"builds":[72],"refines":[74],"homography":[77],"tree":[78],"automatically":[80],"register":[81],"any":[82],"number":[83],"uncalibrated":[85],"images;":[87],"resulting":[89],"is":[91],"both":[92,128],"faster":[93],"significantly":[95],"more":[96],"accurate":[97],"than":[98],"competing":[99],"approaches,":[100],"reliably":[101],"achieving":[102],"0.55":[106],"pixels":[107],"24-projector":[110],"under":[113],"9":[114],"minutes.":[115],"Detailed":[116],"experiments":[117],"compare":[118],"our":[119,130,142],"two":[122],"recent":[123],"wall":[125,134],"algorithms,":[127],"18":[131],"Megapixel":[132],"simulation.":[137],"These":[138],"results":[139],"indicate":[140],"that":[141],"approach":[143],"achieves":[144],"sub-pixel":[145],"even":[147],"displays":[149],"with":[150],"hundreds":[151],"projectors.":[153]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
