{"id":"https://openalex.org/W6944903023","doi":"https://doi.org/10.2312/vissym/vissym04/301-310","title":"Efficient Display of Background Objects for Virtual Endoscopy using Flexible First-Hit Ray Casting","display_name":"Efficient Display of Background Objects for Virtual Endoscopy using Flexible First-Hit Ray Casting","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W6944903023","doi":"https://doi.org/10.2312/vissym/vissym04/301-310"},"language":"en","primary_location":{"id":"doi:10.2312/vissym/vissym04/301-310","is_oa":true,"landing_page_url":"https://doi.org/10.2312/vissym/vissym04/301-310","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":[],"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"type":"other","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/vissym/vissym04/301-310","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Neubauer, A.","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Neubauer, A.","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Forster, M.","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Forster, M.","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Wegenkittl, R.","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wegenkittl, R.","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Mroz, L.","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mroz, L.","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"B\u00fchler, K.","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"B\u00fchler, K.","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":null,"topics":[],"keywords":[{"id":"https://openalex.org/keywords/ray-casting","display_name":"Ray casting","score":0.7555000185966492},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.722000002861023},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.510200023651123},{"id":"https://openalex.org/keywords/limiting","display_name":"Limiting","score":0.48809999227523804},{"id":"https://openalex.org/keywords/polygon-mesh","display_name":"Polygon mesh","score":0.4618000090122223},{"id":"https://openalex.org/keywords/virtual-reality","display_name":"Virtual reality","score":0.42800000309944153},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.3797000050544739},{"id":"https://openalex.org/keywords/volume-rendering","display_name":"Volume rendering","score":0.3743000030517578}],"concepts":[{"id":"https://openalex.org/C116108083","wikidata":"https://www.wikidata.org/wiki/Q1940131","display_name":"Ray casting","level":4,"score":0.7555000185966492},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.722000002861023},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6920999884605408},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.5956000089645386},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5830000042915344},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.510200023651123},{"id":"https://openalex.org/C188198153","wikidata":"https://www.wikidata.org/wiki/Q1613840","display_name":"Limiting","level":2,"score":0.48809999227523804},{"id":"https://openalex.org/C31487907","wikidata":"https://www.wikidata.org/wiki/Q1154597","display_name":"Polygon mesh","level":2,"score":0.4618000090122223},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.42800000309944153},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40070000290870667},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.3797000050544739},{"id":"https://openalex.org/C30769735","wikidata":"https://www.wikidata.org/wiki/Q2165951","display_name":"Volume rendering","level":3,"score":0.3743000030517578},{"id":"https://openalex.org/C172367668","wikidata":"https://www.wikidata.org/wiki/Q6504956","display_name":"Data visualization","level":3,"score":0.3714999854564667},{"id":"https://openalex.org/C121483023","wikidata":"https://www.wikidata.org/wiki/Q7298343","display_name":"Ray tracing (physics)","level":2,"score":0.3709000051021576},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.3400999903678894},{"id":"https://openalex.org/C16635281","wikidata":"https://www.wikidata.org/wiki/Q496098","display_name":"Casting","level":2,"score":0.3181999921798706},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.3179999887943268},{"id":"https://openalex.org/C524769229","wikidata":"https://www.wikidata.org/wiki/Q229367","display_name":"3D printing","level":2,"score":0.3003999888896942},{"id":"https://openalex.org/C36816356","wikidata":"https://www.wikidata.org/wiki/Q16911860","display_name":"3D rendering","level":3,"score":0.2865000069141388},{"id":"https://openalex.org/C1223959","wikidata":"https://www.wikidata.org/wiki/Q1191960","display_name":"Stereo display","level":2,"score":0.2702000141143799},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.2671000063419342},{"id":"https://openalex.org/C199639397","wikidata":"https://www.wikidata.org/wiki/Q1788588","display_name":"Engineering drawing","level":1,"score":0.2635999917984009},{"id":"https://openalex.org/C2780527195","wikidata":"https://www.wikidata.org/wiki/Q5422874","display_name":"Eyewear","level":2,"score":0.2603999972343445}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2312/vissym/vissym04/301-310","is_oa":true,"landing_page_url":"https://doi.org/10.2312/vissym/vissym04/301-310","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":[],"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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.2312/vissym/vissym04/301-310","is_oa":true,"landing_page_url":"https://doi.org/10.2312/vissym/vissym04/301-310","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":[],"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Many":[0],"applications":[1],"of":[2,8,15,26,42,46,56,86,91,128],"virtual":[3,30],"endoscopy":[4],"require":[5],"the":[6,12,16,54,92,105,116,121],"display":[7],"background":[9,27,129],"objects":[10,28,45],"behind":[11],"semi-transparent":[13],"surface":[14],"investigated":[17],"organ.":[18],"This":[19,113],"paper":[20,114],"deals":[21],"with":[22,96],"pre-processing":[23],"and":[24,78,89,119],"visualization":[25],"for":[29,38],"endoscopy.":[31],"A":[32],"new":[33],"first-hit":[34,109],"ray":[35,110],"casting":[36,111],"technique":[37],"efficient":[39],"perspective":[40],"iso-surfacing":[41],"arbitrarily":[43],"selected":[44],"interest":[47],"is":[48,51,72],"described:":[49],"Visualization":[50],"performed":[52],"without":[53],"use":[55],"dedicated":[57],"hardware":[58],"or":[59,67],"data":[60],"structures":[61],"limiting":[62],"flexibility":[63],"(e.g.,":[64],"polygonal":[65],"meshes":[66],"distance":[68],"fields).":[69],"The":[70,99],"speedup":[71],"gained":[73],"by":[74,79,103],"exploiting":[75],"inter-pixel":[76],"coherency":[77],"finding":[80],"a":[81],"near-optimal":[82],"compromise":[83],"between":[84],"reduction":[85],"ray-tracking":[87],"distances":[88],"limitation":[90],"administrational":[93],"cost":[94],"associated":[95],"this":[97],"reduction.":[98],"algorithm":[100,118],"was":[101],"developed":[102],"enhancing":[104],"previously":[106],"published":[107],"cell-based":[108],"algorithm.":[112],"describes":[115],"original":[117],"explains":[120],"extensions":[122],"needed":[123],"to":[124],"achieve":[125],"interactive":[126],"rendering":[127],"objects.":[130]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}