EP 0992023 A4 20010418 - APPARATUS AND METHOD FOR PARALLEL AND PERSPECTIVE REAL-TIME VOLUME VISUALIZATION
Title (en)
APPARATUS AND METHOD FOR PARALLEL AND PERSPECTIVE REAL-TIME VOLUME VISUALIZATION
Title (de)
GERÄT UND VERFAHREN ZUR PARALLELEN UND PERSPEKTIVISCHEN ECHTZEIT-VOLUMEN-VISUALISIERUNG
Title (fr)
APPAREIL ET PROCEDE POUR LA VISUALISATION DE VOLUME EN TEMPS REEL, EN PARALLELE ET EN PERSPECTIVE
Publication
Application
Priority
- US 9807405 W 19980413
- US 4301397 P 19970415
- US 91057597 A 19970801
Abstract (en)
[origin: WO9847105A1] An apparatus including a three-dimensional buffer (438); a pixel bus (442); a plurality of rendering pipelines (440); and a control unit(454). Each rendering pipeline includes a first slice unit (544); a compositing unit (464); a two-dimensional slice compositing buffer (474); and a first interpolation unit (472 or 546). Sample point values are combined with pixels of the compositing buffer in the compositing unit along a plurality of interslice ray segments (410) which extend only between a current slice contained in the slice unit and a slice contained in the two-dimensional slice compositing buffer. Gradients are also computed at voxel positions to improve accuracy.
IPC 1-7
IPC 8 full level
G06T 15/10 (2011.01)
CPC (source: EP)
G06T 15/10 (2013.01)
Citation (search report)
- [X] PFISTER H ET AL: "CUBE-4 - A SCALABLE ARCHITECTURE FOR REAL-TIME VOLUME RENDERING", PROCEEDINGS OF THE SYMPOSIUM ON VOLUME VISUALIZATION,US,NEW YORK, IEEE/ACM, 1996, pages 47 - 54, XP000724429, ISBN: 0-89791-865-7
- [X] MACHIRAJU R K ET AL: "EFFICIENT FEED-FORWARD VOLUME RENDERING TECHINIQUES FOR VECTOR AND PARALLEL PROCESSORS", PROCEEDINGS OF THE SUPERCOMPUTING CONFERENCE,US,LOS ALAMITOS, IEEE COMP. SOC. PRESS, vol. -, 15 November 1993 (1993-11-15), pages 699 - 708, XP000437407
- See references of WO 9847105A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9847105 A1 19981022; AU 7113998 A 19981111; AU 732652 B2 20010426; CA 2285966 A1 19981022; EP 0992023 A1 20000412; EP 0992023 A4 20010418; JP H11508386 A 19990721
DOCDB simple family (application)
US 9807405 W 19980413; AU 7113998 A 19980413; CA 2285966 A 19980413; EP 98918164 A 19980413; JP 52592798 A 19980413