EGGH: SIGGRAPH/Eurographics Workshop on Graphics Hardware: Recent submissions

Now showing items 241-260 of 524

    • A Real Time Rendering System with Normal Vector Shading 

      Jackél, D.; Rüsseler, H. (The Eurographics Association, 1994)
      This paper presents a graphics workstation for real time display of Phong shaded polygons. The applied shading method is based on normal vector interpolation using a precalculated reflectance map. Nearly 40 million pixels ...

    • A Parallel Implementation of Bidirectional Ray Tracing on Transputer-based System 

      Kawai, Toshiyuki; Kami, M.; Teranishi, Tadamasa; Abeki, Jun-ichi; Ohnishi, Hironobu (The Eurographics Association, 1994)
      This paper describes a parallel processing scheme for bidirectional ray tracing which improves the reality of the image drastically. It is organized from two stages, i.e. light ray tracing and viewing ray tracing. In light ...

    • IMAGINE - The IMAGe engINE 

      Den, Sjef ten (The Eurographics Association, 1994)
      The tremendous computing power needed for the inter active processing and generation of visual information is more and more becoming a major technology driver in the consumer market. Illustrative are the bench marks used ...

    • Display Memory Access Issues and Anti-Aliasing with a Virtual Reality Graphics Controller. 

      Regan, Matthew; Pose, Ronald (The Eurographics Association, 1994)
      An address recalculation pipeline used in conjunction with image composition enables the profitable technique of prioritized rendering to be employed in virtual reality applications. These techniques however require the ...

    • The Multimedia Video Processor (MVP) 

      Short, Graham (The Eurographics Association, 1994)
      In 1987 engineers from Texas Instruments started work on the specification of a device which would become the next generation in its TMS320 Digital Signal Processor and TMS340 Graphics System Processor families, building ...

    • CUBICORT: A Hardware Simulation of a Multicolumn Model for 3D Image Analysis, Understanding and Compression for Digital TV, HDTV and Multimedia 

      Leray, P; Burnod, Y (The Eurographics Association, 1993)
      We describe here simulation elements and results of a new kind of 3D Vision Machine. for pre-processing in 3D Object & movement analysis using the biological concept of the Cortical Column Paradigm in the primary visual ...

    • A Difference Engine for Image Reconstruction 

      Blake, EH; Kuijk, AAM (The Eurographics Association, 1993)
      A diffetence engine is described that is designed to be used as low level component of a raster graphicsarchitecture. The speed of the system (11 ns per operation) is achieved by the use of custom VLSI componentsfor the ...

    • An Architecture for Ray - Bezier Patch Intersection 

      Vijt, P De; Claesen, L; Man, H De (The Eurographics Association, 1993)
      A new fast ray - patch intersection algorithm is presented. The algorithm correctly handles all ray - patch intersections. A number of parametersare derived from a numerical analysis of the algorithm and the datapad is re ...

    • Designing a half toning coprocessor 

      Kugler, A; Hersch, R D (The Eurographics Association, 1993)
      Halftoning is a fairly slow process when executedby software on conventional processors. To speed uphalf toning, a half toning algorithm has been developed andintegrated into a dedicated hardware architecture. Thispaper ...

    • Real-Time Architecture for High Resolution Volume Visualization 

      Pfister, H; Kaufman, A (The Eurographics Association, 1993)
      This paper describes a high-performance &pecial-purpose system, the Cube-3 machine, fordisplaying and manipulating high-resolution volumetric datasets in real-time. Cube-3 will allowscientists, engineers, and biomedical ...

    • Hemispherical Projection for Progressive Radiosity Calculation on Massively Parallel Architectures 

      Renaud, C; Bricout, F; Lepretre, E (The Eurographics Association, 1993)
      This paper describes a massively parallel implementation of the progressive radiosityalgorithm. Our algorithm is based on an hemispherical projection approach, which provides an accurate from factor approximation. As the ...

    • A Parallel Accelerator for Generating Virtual Studio Sets 

      Sahiner, A V; Lefloch, P; Nimmo, A; Paker, Y (The Eurographics Association, 1993)
      Recent developments in digital video techniques and the use of computers in video andtelevision production provide new opportunities for programmes. Key technologies which embrace these developments are advanced computer ...

    • The Role of Power Dissipation and Locality of Reference in the Specification of High Performance Graphics Algorithms 

      Smit, J.; Bentum, M.; Samsom, M. (The Eurographics Association, 1993)
      The amount of power dissipated by the implementation of an algorithm, for instance in the form of a dedicatedchip-set, is considered to be one of the most important constraints for the selection of a high performance ...

    • Direct Visualization of Quadrics 

      Laporte, H; Nyiri, E; Froumentin, M; Chaillou, C (The Eurographics Association, 1993)
      Today, most of the powerful graphic systems are based on 3D-triangle display methods.However, this approach generates well-known problems, like the low quality ofcontours and shading, and the necessity to have large amounts ...

    • Parallel Fixed Point Digital Differential Analyzer 

      Molla, RP; Quiros, R; Lluch, J; Vivo, R (The Eurographics Association, 1993)
      Two main serial algorithms to scan convert straight lines have beenproposed: Bresenham and Digital Differential AnalyzeLThe Bresenham algorithm has became a standard because of integer arithmetic. Many theoretical solutions ...

    • VHDL Based Design of Graphics ASICs 

      White, M; Dunnett, G; Lister, P F; Grimsdale, R (The Eurographics Association, 1993)
      The design of graphics ASICs for geometry and rasterisation processing has traditionally involved the use of schematic design entry where by functional blocks are netlisted and instantiatedon the schematic. This methodology ...

    • A VLSI Design for Fast Vector Normalization 

      Knittel, G. (The Eurographics Association, 1993)
      The design of a vector normalizer is described. It is an integral part of our graphics subsystemfor scientific visualization, but will be of great use for speeding up any computer graphics architecture.In the actual design, ...

    • Hidden contours on a frame-buffer 

      Rossignac, Jarek R.; Emmerik, Maarten van (The Eurographics Association, 1992)
      To comply with drafting practices and because shaded images do not always reveal the internal or hiddenstructures of 3D models, designers need wireframe images with hidden lines dashed and nonconlour tesselation edges ...

    • An Efficient Massively Parallel Rasterization Scheme For a High Performance Graphics System 

      Karpf, S.; Chaillou, C. (The Eurographics Association, 1992)
      We present in this paper the IMOGENE II system, a massively parallelMulti-SIMD graphics system. This architecture uses a new rasterization scheme combining Object Parallelism and Parallel Virtual Buffers. This scheme leads ...

    • Depth Complexity in Object-Parallel Graphics Architectures 

      Cox, Michael; Hanrahan, Pat (The Eurographics Association, 1992)
      We consider a multiprocessor graphics architecture object-parallel if graphics primitivesare assigned to processors without regard to screen location, and if each processorcompletely renders the primitives it is assigned. ...