{"id":"https://openalex.org/W1966391950","doi":"https://doi.org/10.5244/c.4.22","title":"Towards qualitative vision: motion parallax","display_name":"Towards qualitative vision: motion parallax","publication_year":1990,"publication_date":"1990-01-01","ids":{"openalex":"https://openalex.org/W1966391950","doi":"https://doi.org/10.5244/c.4.22","mag":"1966391950"},"language":"en","primary_location":{"id":"doi:10.5244/c.4.22","is_oa":false,"landing_page_url":"https://doi.org/10.5244/c.4.22","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Procedings of the British Machine Vision Conference 1990","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/A5101657518","display_name":"Andrew Blake","orcid":"https://orcid.org/0000-0002-3577-3906"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"A. Blake","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018207993","display_name":"Roberto Cipolla","orcid":"https://orcid.org/0000-0002-8999-2151"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. Cipolla","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5057678172","display_name":"Andrew Zisserman","orcid":"https://orcid.org/0000-0002-8945-8573"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. Zisserman","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101657518"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.09375559,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"22.1","last_page":"22.6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","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/T10531","display_name":"Advanced Vision and Imaging","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/T10638","display_name":"Optical measurement and interference techniques","score":0.9987999796867371,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/parallax","display_name":"Parallax","score":0.8898272514343262},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7722593545913696},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7137680053710938},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5636430382728577},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.5388140082359314},{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.5312663912773132},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.4707382619380951},{"id":"https://openalex.org/keywords/stereoscopy","display_name":"Stereoscopy","score":0.46939295530319214},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.4276261627674103},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.41894668340682983},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3996617794036865},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.34682726860046387},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.2650156021118164},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.17953869700431824},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17208296060562134}],"concepts":[{"id":"https://openalex.org/C15759828","wikidata":"https://www.wikidata.org/wiki/Q165074","display_name":"Parallax","level":2,"score":0.8898272514343262},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7722593545913696},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7137680053710938},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5636430382728577},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.5388140082359314},{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.5312663912773132},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.4707382619380951},{"id":"https://openalex.org/C126057942","wikidata":"https://www.wikidata.org/wiki/Q35158","display_name":"Stereoscopy","level":2,"score":0.46939295530319214},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.4276261627674103},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.41894668340682983},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3996617794036865},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.34682726860046387},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2650156021118164},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.17953869700431824},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17208296060562134},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5244/c.4.22","is_oa":false,"landing_page_url":"https://doi.org/10.5244/c.4.22","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Procedings of the British Machine Vision Conference 1990","raw_type":"proceedings-article"},{"id":"pmh:oai:generic.eprints.org:331998","is_oa":false,"landing_page_url":"http://publications.eng.cam.ac.uk/331998/","pdf_url":null,"source":{"id":"https://openalex.org/S4406922847","display_name":"Cambridge University Engineering Department Publications Database","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W39428922","https://openalex.org/W1575763248","https://openalex.org/W1578510995","https://openalex.org/W1963829526","https://openalex.org/W1970014225","https://openalex.org/W1974638621","https://openalex.org/W1975730375","https://openalex.org/W1985069172","https://openalex.org/W1989701469","https://openalex.org/W1999562192","https://openalex.org/W2009985962","https://openalex.org/W2020554914","https://openalex.org/W2029596327","https://openalex.org/W2031388759","https://openalex.org/W2055930296","https://openalex.org/W2064586097","https://openalex.org/W2067164770","https://openalex.org/W2109855183","https://openalex.org/W2143985297","https://openalex.org/W2153985081","https://openalex.org/W2740373864"],"related_works":["https://openalex.org/W8287686","https://openalex.org/W2503351445","https://openalex.org/W2381120962","https://openalex.org/W2076429015","https://openalex.org/W3201897975","https://openalex.org/W1979969204","https://openalex.org/W2390964162","https://openalex.org/W4362512765","https://openalex.org/W2045934666","https://openalex.org/W2392252043"],"abstract_inverted_index":{"A":[0],"robot":[1,42],"vehicle":[2],"moving":[3],"under":[4,79],"visual":[5],"guidance":[6],"needs":[7],"to":[8,20,26,55],"compute":[9],"approximate":[10],"geometry":[11],"of":[12,29,81,107,115,122,131,145,148,164,173],"obstacles":[13],"in":[14,104,112,128],"its":[15,72],"environment.":[16],"It":[17],"is":[18,24,32,50,54,141,169],"unreasonable":[19],"assume":[21],"that":[22,31],"egomotion":[23,49],"known":[25],"the":[27,66,105,113,123,129,146,161],"sort":[28],"precision":[30],"available":[33],"for":[34,48,171],"a":[35,39,45,135,142,158,165],"camera":[36],"mounted":[37],"on":[38,71,177,182],"high":[40],"quality":[41],"arm.":[43],"Generally":[44],"nominal":[46],"estimate":[47,58],"available.":[51],"One":[52],"possibility":[53],"refine":[56],"this":[57],"using":[59],"optic":[60],"flow":[61],"data":[62],"(Harris,":[63],"1987).":[64],"Alternatively,":[65],"problem":[67],"can":[68,151],"be":[69,152],"turned":[70],"head:":[73],"what":[74],"geometric":[75,136],"information":[76],"remains":[77],"stable":[78],"perturbation":[80],"assumed":[82],"egomotion?":[83],"This":[84,168],"question":[85],"has":[86],"been":[87],"addressed":[88],"by":[89,118],"Koenderink":[90],"and":[91,96,99,180],"van":[92],"Doom":[93],"(1977),":[94],"Nelson":[95],"Aloimonos":[97],"(1988)":[98],"Verri":[100],"et":[101],"al.":[102],"(1989),":[103],"case":[106],"continuous":[108],"motion":[109,132],"fields":[110],"and,":[111],"domain":[114],"stereoscopic":[116],"vision,":[117],"Weinshall":[119],"(1990).":[120],"Part":[121],"answer,":[124],"we":[125],"claim,":[126],"lies":[127],"use":[130],"parallax":[133],"as":[134,157],"cue.":[137],"Motion":[138],"parallax,":[139],"which":[140],"relative":[143,174],"measure":[144],"positions":[147],"two":[149],"points,":[150],"very":[153],"much":[154],"more":[155],"robust":[156],"cue":[159],"than":[160],"absolute":[162],"position":[163],"single":[166],"point.":[167],"true":[170],"computation":[172],"depth,":[175],"curvature":[176,181],"specular":[178],"surfaces":[179],"extremal":[183],"boundaries.":[184]},"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}