{"id":"https://openalex.org/W1996766397","doi":"https://doi.org/10.1145/2425333.2425368","title":"Hybrid ray tracing and path tracing of Bezier surfaces using a mixed hierarchy","display_name":"Hybrid ray tracing and path tracing of Bezier surfaces using a mixed hierarchy","publication_year":2012,"publication_date":"2012-12-16","ids":{"openalex":"https://openalex.org/W1996766397","doi":"https://doi.org/10.1145/2425333.2425368","mag":"1996766397"},"language":"en","primary_location":{"id":"doi:10.1145/2425333.2425368","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2425333.2425368","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Eighth Indian Conference on Computer Vision, Graphics and Image Processing","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/A5067849176","display_name":"Rohit Nigam","orcid":null},"institutions":[{"id":"https://openalex.org/I65181880","display_name":"Indian Institute of Technology Hyderabad","ror":"https://ror.org/01j4v3x97","country_code":"IN","type":"education","lineage":["https://openalex.org/I65181880"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Rohit Nigam","raw_affiliation_strings":["IIIT-Hyderabad, India"],"affiliations":[{"raw_affiliation_string":"IIIT-Hyderabad, India","institution_ids":["https://openalex.org/I65181880"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062797994","display_name":"P. J. Narayanan","orcid":"https://orcid.org/0000-0002-7164-4917"},"institutions":[{"id":"https://openalex.org/I65181880","display_name":"Indian Institute of Technology Hyderabad","ror":"https://ror.org/01j4v3x97","country_code":"IN","type":"education","lineage":["https://openalex.org/I65181880"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"P. J. Narayanan","raw_affiliation_strings":["IIIT-Hyderabad, India"],"affiliations":[{"raw_affiliation_string":"IIIT-Hyderabad, India","institution_ids":["https://openalex.org/I65181880"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5067849176"],"corresponding_institution_ids":["https://openalex.org/I65181880"],"apc_list":null,"apc_paid":null,"fwci":0.7168,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.77317232,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9939000010490417,"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":0.9918000102043152,"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/computer-science","display_name":"Computer science","score":0.7119060158729553},{"id":"https://openalex.org/keywords/ray-tracing","display_name":"Ray tracing (physics)","score":0.6895973682403564},{"id":"https://openalex.org/keywords/initialization","display_name":"Initialization","score":0.5841479301452637},{"id":"https://openalex.org/keywords/bounding-volume","display_name":"Bounding volume","score":0.46874502301216125},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.45576298236846924},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4235418438911438},{"id":"https://openalex.org/keywords/distributed-ray-tracing","display_name":"Distributed ray tracing","score":0.4181049168109894},{"id":"https://openalex.org/keywords/cuda","display_name":"CUDA","score":0.4179401695728302},{"id":"https://openalex.org/keywords/tree-traversal","display_name":"Tree traversal","score":0.4172561764717102},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.41432666778564453},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.3879796862602234},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3749878406524658},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.23441538214683533},{"id":"https://openalex.org/keywords/collision-detection","display_name":"Collision detection","score":0.19620701670646667},{"id":"https://openalex.org/keywords/collision","display_name":"Collision","score":0.12256443500518799},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1045464277267456}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7119060158729553},{"id":"https://openalex.org/C121483023","wikidata":"https://www.wikidata.org/wiki/Q7298343","display_name":"Ray tracing (physics)","level":2,"score":0.6895973682403564},{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.5841479301452637},{"id":"https://openalex.org/C184585634","wikidata":"https://www.wikidata.org/wiki/Q1434060","display_name":"Bounding volume","level":4,"score":0.46874502301216125},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.45576298236846924},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4235418438911438},{"id":"https://openalex.org/C82744980","wikidata":"https://www.wikidata.org/wiki/Q951513","display_name":"Distributed ray tracing","level":3,"score":0.4181049168109894},{"id":"https://openalex.org/C2778119891","wikidata":"https://www.wikidata.org/wiki/Q477690","display_name":"CUDA","level":2,"score":0.4179401695728302},{"id":"https://openalex.org/C140745168","wikidata":"https://www.wikidata.org/wiki/Q1210082","display_name":"Tree traversal","level":2,"score":0.4172561764717102},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.41432666778564453},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.3879796862602234},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3749878406524658},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.23441538214683533},{"id":"https://openalex.org/C199668693","wikidata":"https://www.wikidata.org/wiki/Q1550329","display_name":"Collision detection","level":3,"score":0.19620701670646667},{"id":"https://openalex.org/C121704057","wikidata":"https://www.wikidata.org/wiki/Q352070","display_name":"Collision","level":2,"score":0.12256443500518799},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1045464277267456},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.0},{"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},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2425333.2425368","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2425333.2425368","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Eighth Indian Conference on Computer Vision, Graphics and Image Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.417.9565","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.417.9565","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://cvit.iiit.ac.in/papers/Nigam2012Hybrid.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.5699999928474426}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W131022738","https://openalex.org/W1588714915","https://openalex.org/W1967555766","https://openalex.org/W2000861327","https://openalex.org/W2034022044","https://openalex.org/W2041554407","https://openalex.org/W2055452255","https://openalex.org/W2082821385","https://openalex.org/W2088430347","https://openalex.org/W2093395777","https://openalex.org/W2104814486","https://openalex.org/W2113643095","https://openalex.org/W2130026741","https://openalex.org/W2138624212","https://openalex.org/W2145460710","https://openalex.org/W2149245764","https://openalex.org/W2150325883","https://openalex.org/W2150575530","https://openalex.org/W2152481451","https://openalex.org/W2153653051","https://openalex.org/W2153935912","https://openalex.org/W2157421431","https://openalex.org/W2173197174","https://openalex.org/W2173672816","https://openalex.org/W2239344586","https://openalex.org/W2533648402","https://openalex.org/W2537294116","https://openalex.org/W4230265761","https://openalex.org/W4247447025","https://openalex.org/W4248529434","https://openalex.org/W4251856170","https://openalex.org/W4254041116","https://openalex.org/W4285719527","https://openalex.org/W6728473528","https://openalex.org/W6728629729"],"related_works":["https://openalex.org/W2790684390","https://openalex.org/W3163067707","https://openalex.org/W1569690025","https://openalex.org/W2012819262","https://openalex.org/W3107784446","https://openalex.org/W2159421682","https://openalex.org/W3014571735","https://openalex.org/W2362326179","https://openalex.org/W2157260840","https://openalex.org/W2062694272"],"abstract_inverted_index":{"We":[0,18,71,169,197],"present":[1],"a":[2,20,30,38,126,134,146,167,190,199,211,219],"scheme":[3],"for":[4,62,222],"interactive":[5],"ray":[6,80],"tracing":[7,187,189],"of":[8,50,79,91,128,136,148,193,203,234],"Bezier":[9],"bicubic":[10],"patches":[11,36],"using":[12,181],"Newton":[13,73],"iteration":[14,74],"in":[15,83,162],"this":[16],"paper.":[17],"use":[19,72],"mixed":[21],"hierarchy":[22,33],"representation":[23],"as":[24,166],"the":[25,35,48,63,67,76,89,92,95,100,105,163,204],"acceleration":[26],"structure.":[27],"This":[28,45],"has":[29],"bounding":[31],"volume":[32],"above":[34],"and":[37,58,94,102,141,145,155,185,218,226,236],"fixed":[39],"depth":[40],"subpatch":[41],"tree":[42],"below":[43],"it.":[44],"helps":[46],"reduce":[47],"number":[49,192],"ray-patch":[51,137],"intersections":[52,82,138,144],"that":[53],"needs":[54],"to":[55,113,133,143,177],"be":[56,159],"evaluated":[57],"provides":[59],"good":[60],"initialization":[61],"iterative":[64],"step,":[65],"keeping":[66],"memory":[68],"requirements":[69],"low.":[70],"on":[75,99,104,210],"generated":[77],"list":[78,127,135,147],"patch":[81],"parallel.":[84],"Our":[85],"method":[86,174],"can":[87,158],"exploit":[88],"cores":[90],"CPU":[93,101],"GPU":[96,106],"with":[97,125,213,231],"OpenMP":[98],"CUDA":[103],"by":[107,139,151,188],"sharing":[108],"work":[109],"between":[110],"them":[111],"according":[112],"their":[114],"relative":[115],"speeds.":[116],"A":[117],"data":[118],"parallel":[119],"framework":[120],"is":[121,131],"used":[122],"throughout":[123],"starting":[124],"rays,":[129],"which":[130],"transformed":[132],"traversal":[140],"then":[142],"secondary":[149],"rays":[150,157,194,224],"root":[152],"finding.":[153],"Shadow":[154],"reflection":[156],"handled":[160],"exactly":[161],"same":[164],"manner":[165],"result.":[168],"also":[170],"show":[171],"how":[172],"our":[173],"extends":[175],"easily":[176],"generate":[178],"soft":[179],"shadows":[180],"area":[182],"light":[183],"sources":[184],"path":[186],"large":[191],"per":[195],"pixel.":[196],"render":[198],"million":[200],"pixel":[201],"image":[202],"Teapot":[205],"model":[206],"at":[207,227],"125":[208],"fps":[209,230],"system":[212],"an":[214],"Intel":[215],"i7":[216],"920":[217],"Nvidia":[220],"GTX580":[221],"primary":[223],"only":[225],"about":[228],"65":[229],"one":[232],"pass":[233],"shadow":[235],"refection":[237],"rays.":[238]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}