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[1991] Proceedings, Advanced Computer Technology, Reliable Systems and Applications

13-16 May 1991

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Displaying Results 1 - 25 of 168
  • Proceedings. Advanced Computer Technology, Reliable Systems and Applications. 5th Annual European Computer Conference CompEuro '91 (Cat. No.91CH3001-5)

    Publication Year: 1991
    Request permission for commercial reuse | PDF file iconPDF (26 KB)
    Freely Available from IEEE
  • A real-time message-passing synchronization for multi-SIMD massively parallel machine

    Publication Year: 1991, Page(s):176 - 179
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    A real-time message passing synchronization method for a multi-SIMD architecture is introduced, and a concrete implementation in SPHINX-a multi-SIMD pyramid vision computer-is given. This synchronization mechanism can give both efficient and flexible solutions to the multi-SIMD control problem. Two algorithms are used in the simulation. One is a pyramid sorting algorithm. The other is a histogramm... View full abstract»

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  • The design of a systolic architecture to implement graphic transformations

    Publication Year: 1991, Page(s):170 - 175
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (572 KB)

    A new systolic graphic array architecture is proposed in order to achieve the high computational throughput necessary to generate real-time processing. The proposed systolic architecture implements graphic transformations such as translations, scaling, and rotations on three dimensional vertices. The logarithmic number system is utilized to further increase the computational throughput. A comparis... View full abstract»

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  • On-line signature learning and checking: experimental evaluation

    Publication Year: 1991, Page(s):642 - 646
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    An experimental evaluation of a signature monitoring technique called online signature learning and checking (OSLC) is presented. The experiments are based on physical fault injection on the system bus of a prototype. A set of 12000 faults was inserted in the system. The duration of the faults, the line affected, and the point in the program where the faults were injected were chosen at random. An... View full abstract»

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  • Development of modern computer-based measurement systems

    Publication Year: 1991, Page(s):164 - 169
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    A development approach for modern computer-based measurement systems and an example of its implementation are presented. The pros and cons in using certain standard products to be incorporated are discussed. The techniques incorporated (databases, graphical representation of data and digital maps) are presented View full abstract»

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  • Improving fault-tolerance in distributed systems: The saturation approach

    Publication Year: 1991, Page(s):634 - 641
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (936 KB)

    Work done for the research project SATURNE is summarized. The technique developed in this project maximizes the redundancy level of tasks and tolerates hardware faults by majority voting in the context of a pool of interconnected processors (network of workstations, multiprocessor machines, etc.). The technique, called saturation, is presented and briefly compared with similar approaches. The dist... View full abstract»

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  • Evolution and trends of HDTV

    Publication Year: 1991, Page(s):155 - 163
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (680 KB)

    The evolution of scientific activity related to HDTV is summarized from its first steps to the present and future situation. The problems connected to the definition of HDTV standards are examined, and an overview of the programs of the main international standards bodies (CCIR, CCITT) is given. The HDTV systems already realized and the most important projects regarding HDTV, which include MUSE, H... View full abstract»

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  • VLSI architecture for size-orientation-invariant pattern recognition

    Publication Year: 1991, Page(s):63 - 67
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB)

    A programmable VLSI architecture is proposed to perform size-rotation-invariant pattern recognition. The architecture is an array of processing elements (PEs) and the connections among the PEs can be reconfigured to meet the different requirements of the different computation stages. The merits of the proposed transformation ring-projection algorithm are its lower time complexity, higher accuracy ... View full abstract»

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  • Integrating dependability analysis into the design of distributed systems

    Publication Year: 1991, Page(s):762 - 766
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    The integration of dependability analysis into the design of distributed systems is presented. This design methodology supports a close and efficient interaction of design creation and design evaluation activities. The feasibility of this approach is shown by applying it to the application known as rolling ball View full abstract»

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  • FREACS-a fast reflection and crosstalk simulator

    Publication Year: 1991, Page(s):526 - 530
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    A new simulator, FREACS, for the transient analysis of single and coupled transmission lines is presented. The design of FREACS differs from the usual implementations. For example, novel macromodels of digital circuits as transmission line terminations are used. A formal input language called TANDEL was developed for the description of transmission line circuits. The simulation of a complex transm... View full abstract»

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  • Object-oriented approach to software development, a walk through a number of topics

    Publication Year: 1991, Page(s):626 - 633
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB)

    A number of important software development topics in which the object-oriented approach plays a central role and has caused a significant step forward are examined. An attempt is made to describe these topics in the form of dualities and contrasts. The aim is to present a view of software development which is different from the traditional one, in which the development process has been partitioned... View full abstract»

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  • Digital coding of high quality audio

    Publication Year: 1991, Page(s):148 - 154
    Cited by:  Papers (3)  |  Patents (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (536 KB)

    Based on frequency-domain techniques, coding of high-quality audio with bit rates down to 64 kbit/s is possible. This performance is achieved using perceptual coding. Transform coding can be used to get the best performance at very low bit rates. Real-time implementations of several types of low bit rate codecs have been developed. Standardization of low bit rate audio coding systems is under way ... View full abstract»

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  • An object-oriented framework for static and dynamic object recognition

    Publication Year: 1991, Page(s):58 - 62
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    A framework based on the object-oriented paradigm is presented. In the framework, object form and motion are treated in a uniform way and integrated in the reasoning scheme for the object recognition tasks. A modified object model is proposed to support the conceptual focus in the recognition task and to allow efficient information retrieval. Both spatial data and alphanumeric information are inte... View full abstract»

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  • Terminal reliability models for hypercube interconnection networks

    Publication Year: 1991, Page(s):757 - 761
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (460 KB)

    Terminal reliability modeling and analysis of hypercube interconnection networks are discussed. Terminal reliability is the probability that at least one path is working for communication between a given source and a destination. Several reliability modeling concepts are introduced and used to compute the terminal reliability of a hypercube. Time complexity analyses and examples of these reliabili... View full abstract»

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  • The design space of garbage collection

    Publication Year: 1991, Page(s):423 - 428
    Cited by:  Papers (3)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (500 KB)

    A novel classification method for garbage collection methods is presented. The model spans a parametrized design space in which existing and newly developed garbage collection methods fit. The model also serves designers in choosing the right collection parameters for specific system and application environments View full abstract»

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  • Non-deterministic computing, heterogeneous transactions and recursive atomicity

    Publication Year: 1991, Page(s):618 - 625
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (436 KB)

    Nondeterministic, atomic computing primitives are introduced which are used to construct A-nets for describing transaction models precisely. A-nets and the computing primitives can be applied recursively to describe transactions at arbitrary levels of refinement. The techniques are demonstrated by describing a number of well-known and widely used transaction models, in particular ACID-transactions... View full abstract»

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  • Taxonomy for assignment in parallel processor systems

    Publication Year: 1991, Page(s):143 - 147
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    A hierarchical taxonomy for assignment schemes in parallel processor systems is presented. The taxonomy is based on program models. Since the desirable properties of efficiency assignments are model-specific, approaches taken by assignment schemes under different models are seen to be distinct View full abstract»

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  • The design of circuits with no timing references using the ALMA environment

    Publication Year: 1991, Page(s):596 - 598
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB)

    ALMA is a structured ASIC design methodology for silicon compilation to be used as a front end to existing CAD environments which provide the lower level silicon compilation tools (data path compiler, logic synthesizer, place-and-route, etc.). The methodology relies on the use of cell libraries available from vendors and a new hardware description language called `A'. The language describes the st... View full abstract»

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  • A high level synthesis tool for massively parallel image processing ASICs

    Publication Year: 1991, Page(s):53 - 57
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    An automatic design methodology for massively parallel architectures for low-level image processing is presented. The system takes as input a high-level description of the algorithm. It generates an optimized circuit organized as a SIMD mesh connected array of 1-bit processing elements with minimized resources View full abstract»

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  • TOSCA: a simulator for oversampling converters with behavioural modeling

    Publication Year: 1991, Page(s):467 - 471
    Cited by:  Papers (4)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    A software tool (TOSCA) has been developed which is intended to help non-specialists in the design of systems such as sigma-delta A/D converters and nonlinear oversampled-based signal processors. Time-domain behavioral models were developed for a set of basic building blocks upon which generic circuit structures can be constructed. Very long transients can be simulated in reasonable CPU time, thus... View full abstract»

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  • Silicon compilation of neural networks

    Publication Year: 1991, Page(s):541 - 546
    Cited by:  Papers (3)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (512 KB)

    The aim of PYGMALION, a neural network programming environment, is to fully integrate the silicon compiler with the programming environment. Neural networks written in PYGMALION's nC network specification language translate either to binary (for simulation) or silicon (for hardware). The silicon compilation project is described. It comprises three major parts: the PYGMALION programming environment... View full abstract»

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  • Pandora-a microprogrammable node for DSP oriented architectures

    Publication Year: 1991, Page(s):384 - 388
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (452 KB)

    The design and the performance evaluation of a parallel architecture for digital signal processing (DSP) are described. Many DSP applications cannot be efficiently solved by using standard DSP sequential microprocessors. In this case, using dedicated parallel architectures is the best way to obtain high performance, but they need flexibility to apply different DSP algorithms efficiently. The Pando... View full abstract»

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  • An efficient hardwired router for a 3D-mesh interconnection network

    Publication Year: 1991, Page(s):353 - 357
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB)

    A routing circuit for massively parallel message-passing architectures is presented. This circuit meets the area requirements of a monochip processing element and is time-efficient. It implements a new routing algorithm, forced routing. It is shown that the forced routing algorithm may be hardwired in less than a 10 mm2 circuit in a CMOS 1.2 μm process. Several design choices are dis... View full abstract»

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  • Implementation criteria for a high-speed parallel banyan switch

    Publication Year: 1991, Page(s):487 - 491
    Cited by:  Papers (2)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (492 KB)

    A broadband switch architecture is proposed which is obtained by buffered banyan multistage networks working in parallel on fractions of the same packet, with the main purpose of implementing a very high-speed switch using present-day technology. The most novel element is the design of a flexible switch with parallel banyan networks, each being a fully independent subswitch. The main characteristi... View full abstract»

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  • Performance evaluation and formal description

    Publication Year: 1991, Page(s):750 - 756
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (492 KB)

    A survey is presented of the evolution of performance modeling and of current trends in distributed systems. Also outlined is a proposal for integrated functional specification, time representation, and performance analysis. The author discusses two main trends, namely, a drastic change in modeling methodology and gradual changes to more formal model description techniques. The combination of proc... View full abstract»

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