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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

A multiprocessor system for real-time image generation

Serra del Molino, L. January 1987 (has links)
No description available.
2

DISPLAYING PARAMETRIC CURVES AND SURFACES USING UNIGRAFIX

Cheung, Henry 08 1900 (has links)
Berkeley UNIGRAFIX is a graphics system that runs under the UNIX operating system. It comprises a collection of rendering programs and scene generating programs. Scenes of objects are described in a terse, human-readable format called the UNIGRAFIX descriptive language. In order to display parametric curves and surfaces using UNIGRAFIX, we developed a scene generator called UGTRACE. It traces a set of parametric equations and generates a scene file written in the UNIGRAFIX format. Two tracing modes as well as two displaying modes were designed. The Berkeley UNIGRAFIX system was installed in the McMaster environment. For our purpose, we also modified the various device drivers of UGDISP, the latest version of the renderers. Available output devices include the AED colour graphics terminal, the IMAGEN laser printer and the IBM PC emulating a Tektronix 4010 terminal. UGDISP is used to display scene files generated by UGTRACE. / Thesis / Master of Science (MSc)
3

Projeto de uma arquitetura de hardware para visualização de imagens digitais / Design of a hardware architecture for displaying digital images

Paiva, Maria Stela Veludo de 20 November 1990 (has links)
Neste trabalho são apresentadas a implementação e avaliação da aplicação do processador gráfico TMS34010. O objetivo foi o desenvolvimento de um sistema para visualização de imagens com este processador, a ser integrado ao Tomógrafo por Ressonância Magnética, do Departamento de Física e Ciência dos Materiais. A fim de avaliar tanto os aspectos do \"hardware\" quanto às capacidades do processador, foram desenvolvidos dois sistemas: um com 16 cores, e outro com 256 níveis de cinza, ambos contendo uma interface serial para interligação de um \"mouse\" convencional para microcomputadores do tipo PC-AT. Através destes sistemas foram avaliados recursos tais como \"pan\" horizontal e vertical, divisão da tela ao meio, vídeo no modo entrelaçado, transparência, operações lógicas, e instruções de transferência de blocos de \"pixels\" / This work describes the implementation and evaluation of a TMS34010 graphics processor based system. The system was developed to be used for the visualization of Magnetic Resonance Images in the MR tomography system under development in our Department. To evaluate the design and the performance of the processor, two systems were developed: one capable to show pictures with 16 simultaneous colors, and a second one able to display pictures with a gray scale of 256 levels. Both systems are equipped with a serial interface supporting a conventional mouse as used for PC compatibles. The hardware developed was used to evaluate implementations of resources such as horizontal and vertical PAN, screen division, interlaced video, transparency, logic operations and pixels block transfer routines
4

Projeto de uma arquitetura de hardware para visualização de imagens digitais / Design of a hardware architecture for displaying digital images

Maria Stela Veludo de Paiva 20 November 1990 (has links)
Neste trabalho são apresentadas a implementação e avaliação da aplicação do processador gráfico TMS34010. O objetivo foi o desenvolvimento de um sistema para visualização de imagens com este processador, a ser integrado ao Tomógrafo por Ressonância Magnética, do Departamento de Física e Ciência dos Materiais. A fim de avaliar tanto os aspectos do \"hardware\" quanto às capacidades do processador, foram desenvolvidos dois sistemas: um com 16 cores, e outro com 256 níveis de cinza, ambos contendo uma interface serial para interligação de um \"mouse\" convencional para microcomputadores do tipo PC-AT. Através destes sistemas foram avaliados recursos tais como \"pan\" horizontal e vertical, divisão da tela ao meio, vídeo no modo entrelaçado, transparência, operações lógicas, e instruções de transferência de blocos de \"pixels\" / This work describes the implementation and evaluation of a TMS34010 graphics processor based system. The system was developed to be used for the visualization of Magnetic Resonance Images in the MR tomography system under development in our Department. To evaluate the design and the performance of the processor, two systems were developed: one capable to show pictures with 16 simultaneous colors, and a second one able to display pictures with a gray scale of 256 levels. Both systems are equipped with a serial interface supporting a conventional mouse as used for PC compatibles. The hardware developed was used to evaluate implementations of resources such as horizontal and vertical PAN, screen division, interlaced video, transparency, logic operations and pixels block transfer routines

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