{"id":"https://openalex.org/W2079537748","doi":"https://doi.org/10.1109/icip.2013.6738074","title":"Surface reconstruction using isocontours of constant depth and gradient","display_name":"Surface reconstruction using isocontours of constant depth and gradient","publication_year":2013,"publication_date":"2013-09-01","ids":{"openalex":"https://openalex.org/W2079537748","doi":"https://doi.org/10.1109/icip.2013.6738074","mag":"2079537748"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2013.6738074","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2013.6738074","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Image Processing","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/A5033622352","display_name":"Rakesh Shiradkar","orcid":"https://orcid.org/0000-0003-2852-3869"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Rakesh Shiradkar","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Singapore","[Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore]","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077909007","display_name":"Sim Heng Ong","orcid":"https://orcid.org/0000-0003-2766-8150"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Sim Heng Ong","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Singapore","[Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore]","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I165932596"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21473354,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"360","last_page":"363"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9991999864578247,"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"}},"topics":[{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9991999864578247,"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"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9941999912261963,"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9879999756813049,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/photometric-stereo","display_name":"Photometric stereo","score":0.893310546875},{"id":"https://openalex.org/keywords/surface","display_name":"Surface (topology)","score":0.6764869689941406},{"id":"https://openalex.org/keywords/surface-reconstruction","display_name":"Surface reconstruction","score":0.6607702970504761},{"id":"https://openalex.org/keywords/isotropy","display_name":"Isotropy","score":0.6020611524581909},{"id":"https://openalex.org/keywords/normal","display_name":"Normal","score":0.5663860440254211},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.5608324408531189},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5376533269882202},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5374880433082581},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.5256184935569763},{"id":"https://openalex.org/keywords/simplicity","display_name":"Simplicity","score":0.5220351219177246},{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.5052095055580139},{"id":"https://openalex.org/keywords/reflectivity","display_name":"Reflectivity","score":0.5009870529174805},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4518905282020569},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.339819073677063},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32473209500312805},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.2983148694038391},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2768717110157013},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.276528537273407},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.1273876428604126},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11887979507446289}],"concepts":[{"id":"https://openalex.org/C44365914","wikidata":"https://www.wikidata.org/wiki/Q17120636","display_name":"Photometric stereo","level":3,"score":0.893310546875},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.6764869689941406},{"id":"https://openalex.org/C20885615","wikidata":"https://www.wikidata.org/wiki/Q825595","display_name":"Surface reconstruction","level":3,"score":0.6607702970504761},{"id":"https://openalex.org/C184050105","wikidata":"https://www.wikidata.org/wiki/Q273163","display_name":"Isotropy","level":2,"score":0.6020611524581909},{"id":"https://openalex.org/C118732077","wikidata":"https://www.wikidata.org/wiki/Q273176","display_name":"Normal","level":3,"score":0.5663860440254211},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.5608324408531189},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5376533269882202},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5374880433082581},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.5256184935569763},{"id":"https://openalex.org/C2776372474","wikidata":"https://www.wikidata.org/wiki/Q508291","display_name":"Simplicity","level":2,"score":0.5220351219177246},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.5052095055580139},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.5009870529174805},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4518905282020569},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.339819073677063},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32473209500312805},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2983148694038391},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2768717110157013},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.276528537273407},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.1273876428604126},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11887979507446289},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icip.2013.6738074","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2013.6738074","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Image Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7200000286102295,"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":7,"referenced_works":["https://openalex.org/W1559837137","https://openalex.org/W2070064931","https://openalex.org/W2097897435","https://openalex.org/W2115006838","https://openalex.org/W2135940521","https://openalex.org/W2143181226","https://openalex.org/W6677009828"],"related_works":["https://openalex.org/W2147504644","https://openalex.org/W2013258419","https://openalex.org/W2033176506","https://openalex.org/W2071501285","https://openalex.org/W4223522845","https://openalex.org/W13266374","https://openalex.org/W2116599779","https://openalex.org/W2504044873","https://openalex.org/W2038078979","https://openalex.org/W3123181577"],"abstract_inverted_index":{"While":[0],"most":[1],"photometric":[2,20],"stereo":[3,21],"algorithms":[4,22],"assume":[5],"Lambertian":[6],"reflectance":[7,39],"model":[8],"for":[9,31],"its":[10],"simplicity,":[11],"surfaces":[12,34],"in":[13,65],"general":[14,38],"are":[15],"not":[16],"Lambertian.":[17],"Some":[18],"recent":[19],"[1,":[23],"2]":[24],"can":[25],"recover":[26],"iso-depth":[27,77],"and":[28,78],"iso-grandient":[29],"contours":[30,80],"arbitrary":[32],"isotropic":[33],"by":[35],"exploiting":[36],"more":[37],"properties.":[40],"However,":[41],"further":[42],"reconstruction":[43],"of":[44,72,84,93],"the":[45,53,70,74,91],"3D":[46],"surface":[47,75],"requires":[48],"additional":[49,85],"information,":[50],"such":[51,82],"as":[52,63],"normal":[54],"at":[55],"a":[56,61],"point":[57],"or":[58],"depth":[59],"along":[60],"boundary":[62],"suggested":[64],"[2].":[66],"This":[67],"paper":[68],"addresses":[69],"problem":[71],"reconstructing":[73],"from":[76],"iso-gradient":[79],"without":[81],"kind":[83],"information.":[86],"The":[87],"experiment":[88],"results":[89],"demonstrate":[90],"effectiveness":[92],"our":[94],"algorithm.":[95]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
