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Conference Proceedings., IEEE International Conference on Systems, Man and Cybernetics

14-17 Nov. 1989

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Displaying Results 1 - 25 of 276
  • 1989 IEEE International Conference on Systems, Man and Cybernetics. Conference Proceeding. (Cat. No.89CH2809-2)

    Publication Year: 1989
    Request permission for commercial reuse | PDF file iconPDF (232 KB)
    Freely Available from IEEE
  • Recent results on neural network architectures for vision and pattern recognition

    Publication Year: 1989
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (117 KB)

    Summary form only given. The author describes the development of a general-purpose automatic vision architecture. He clarifies how, with this architecture, scenic data about boundaries, textures, shading, depth, multiple spatial scales, and motion can be cooperatively synthesized in real time into a coherent representation of three-dimensional form. In order to computationally understand the labil... View full abstract»

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  • CAD-based computer vision: from CAD models to relational graphs

    Publication Year: 1989, Page(s):162 - 167 vol.1
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (593 KB)

    The authors outline their approach for automatic translation of geometric entities produced by a CAD system into a relational graph structure. They have developed a system which uses 3-D object descriptions created on a commercial CAD system and expressed in the industry-standard IGES form, and performs geometric inferencing to object a relational graph representation of the object which can be st... View full abstract»

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  • Variations of the phase-only filter

    Publication Year: 1989
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (26 KB)

    Summary form only given, as follows. An alternative to the classical method filter, namely the phase-only filter, is shown to be useful for pattern recognition and image correlation. It exhibits extremely narrow correlation peaks with very small sidelobes, better discrimination between similar objects, and 100% throughput when implemented optically. Several alternatives derived from the phase-only... View full abstract»

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  • Segmentation of document images

    Publication Year: 1989, Page(s):1062 - 1067 vol.3
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB)

    Several methods for segmentation of document images are explored. The authors pose the segmentation operation as a statistical classification task with two pattern classes: print and background. A number of classification strategies are available. All require some prior information about the distribution of gray levels for the two classes. Learning (either supervised or unsupervised) and automatic... View full abstract»

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  • Experiments on a lattice theory of operator mental models

    Publication Year: 1989
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (105 KB)

    Summary form only given. The importance of mental models in complex control tasks is discussed, and the lattice theory of mental models is described. Plans for a series of experiments using a simulation developed with the Lab View programming language to validate the lattice theory of mental models are reported.<> View full abstract»

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  • Learning effects in telemanipulation with monoscopic versus stereoscopic remote viewing

    Publication Year: 1989, Page(s):1244 - 1249 vol.3
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (572 KB)

    An investigation has been carried out on the effects of skill acquisition of the type of closed circuit video system being used in a teleoperation system. Two experiments were performed, using a mobile explosive ordnance disposal robot equipped with a switchable monoscopic/stereoscopic video system. One experiment comprised a simple, repetitive approach-and-touch task. The other involved a Fitts' ... View full abstract»

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  • Troubleshooting with an inaccurate mental model

    Publication Year: 1989, Page(s):1238 - 1243 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (628 KB)

    In some fault-diagnosis situations, troubleshooters may misunderstand system structure and functioning. An experiment examined how a troubleshooter's mental model of a logic network might prejudice the ability to diagnose previously unseen faults. In the knowledge acquisition phase, subjects inferred the structure of a logic network by viewing it in different states. Most subjects ended up with sl... View full abstract»

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  • Predictive transform for optimum digital signal processing

    Publication Year: 1989, Page(s):1228 - 1237 vol.3
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (824 KB)

    A unified approach to optimum digital signal modeling, coding, estimation, and control is outlined. The origins of the proposed technique reside in a minimum-mean-square-error predictive transform (PT) coding formulation which yields a decoder that is a whitening PT model of the source whose output is to be encoded. This PT decoder is integrated with Kalman estimation (prediction, filtering and sm... View full abstract»

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  • Hierarchical feedback control of linear interconnected dynamical systems with time delays

    Publication Year: 1989, Page(s):1226 - 1227 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (104 KB)

    A method to provide multilevel optimization and feedback control for linear time-delay systems is modified by including the time-delay terms in the interconnections, making the system an equivalent nondelay one. The analysis uses a standard hierarchical feedback control scheme View full abstract»

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  • Critical analysis of applying Hopfield neural net model to optimization problems

    Publication Year: 1989, Page(s):210 - 215 vol.1
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (448 KB)

    The authors present a rigorous matrix-based analysis of the Hopfield model in order to understand the fundamental characteristics of the model, its strengths, and its weaknesses. They formally show why the results obtained by applying the Hopfield model to most NP-complete problems are in general unsatisfactory. They also indicate that promising results are achieved randomly. Possible amendments a... View full abstract»

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  • An interruption tree model to evaluate system performance of industrial processing complex

    Publication Year: 1989, Page(s):1224 - 1225 vol.3
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (124 KB)

    An interruption tree model was developed to analyze the problems of product interruptions in industrial processing systems and to estimate the performance of a processing system through simulation. Alternative policies to reduce interruptions, simulation of the model under each policy, and identification of the optimal policy are presented View full abstract»

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  • Development and validation of a theory of human operator behavior in a multitask environment

    Publication Year: 1989, Page(s):1154 - 1156 vol.3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    An intelligent operator-system interface (IOSI) is defined as an entity that not only transmits information between operator and system, but also shares the responsibilities of information processing and decision making with the human operator. A discussion is presented of a basic human-factors issue regarding IOSI design, namely how a human operator behaves in a complex system, and a composite th... View full abstract»

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  • Knowledge engineering for diagnosis of piscine diseases

    Publication Year: 1989, Page(s):313 - 314 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    The authors describe a knowledge-engineering-based system for the diagnosis of piscine diseases that has been developed for use in fish farms rearing the economically important saltwater species Psetta maxima (turbot) and Dicentrarchus labrax (sea bass). The system combines production rules implemented using the commercially available knowledge-engineering tool INSIGHT 2+; functional decision proc... View full abstract»

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  • Neural networks with maximal adaptive efficiency

    Publication Year: 1989, Page(s):208 - 209 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (148 KB)

    A maximal-likelihood artificial neural system (MLANS) is described which performs the ML classification for problems requiring nonlinear classification boundaries. This neural network has ML neurons, which adaptively estimate the local metric in the classification space. This permits the design of flexible classifier shapes using a no-hidden-layer architecture and provides orders-of-magnitude impr... View full abstract»

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  • Surface contour mapping using cross-shaped structured light beam

    Publication Year: 1989, Page(s):1048 - 1050 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB)

    The integration of automated measurement and continuous-path robot control plays an important role in autonomous manufacturing systems. A technique is presented that provides simultaneous measurement of the position and orientation of a 3D object surface point, using a cross-shaped light beam. This is an important step towards upgrading a robot manipulator to a unit with a high degree of flexibili... View full abstract»

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  • Adaptation to experience level based on user's search strategy

    Publication Year: 1989, Page(s):889 - 892 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (292 KB)

    Decision-making in large, information-intensive domains is discussed in terms of information gathering strategies employed by experienced, intermediate, and novice decision-makers. Differences by level of experience were predicted for seven strategies. These predictions were tested in a process-tracing experiment using a submarine search scenario. Differences were found among groups in the use of ... View full abstract»

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  • Test sequencing in modular systems

    Publication Year: 1989, Page(s):1221 - 1223 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    Motivated by the need to increase the availability of systems, the primary focus of diagnosis in field maintenance is to locate the faculty modules. The authors consider the problem of constructing optimal test sequences to diagnose faults in such modular systems. This generalized test sequencing problem is solved by an AND/OR graph search procedure, wherein information-theoretic heuristic evaluat... View full abstract»

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  • Parallel vector processing of multidimensional orthogonal transforms for digital signal processing applications

    Publication Year: 1989, Page(s):344 - 351 vol.1
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (500 KB)

    The performance of the parallel vector implementation of the 1D and 2D orthogonal transforms is evaluated. The orthogonal transforms are computed using actual or modified fast Fourier transform kernels. The factors considered in comparing the speed-up of these vectorized digital signal processing algorithms are discussed and it is shown that the traditional way of comparing the execution speed of ... View full abstract»

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  • Making decisions under increasing work load demands: the need to look ahead

    Publication Year: 1989, Page(s):1148 - 1153 vol.3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (500 KB)

    The relation between decision-making performance and imposed work load is explored relative to a dynamic multitask decision problem. An experimental and analytical study shows how changes in key task parameters, such as the number of concurrent tasks and the time available and/or required to process a task, affect the decision-maker's performance. The normative-descriptive multitask decision model... View full abstract»

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  • The student-computer interface on an intelligent tutoring system for Japanese language instruction

    Publication Year: 1989, Page(s):311 - 312 vol.1
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    The author describes the human-computer interaction of an intelligent tutoring system designed to mediate some of the difficulties faced by an English-speaking person trying to acquire proficiency in reading technical Japanese material. A brief summary of some of the unique characteristics of the Japanese language is included View full abstract»

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  • Mapping precedence and communication relations of a large scale computation on a multiprocessor system

    Publication Year: 1989, Page(s):370 - 375 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (460 KB)

    The authors present an efficient algorithm for mapping m computational modules with precedence relationship to be executed on a multiprocessor system consisting of p homogeneous processors with processor and communication costs to achieve minimum computation time. Minimax optimization is performed on the objective function to obtain the best mapping. Experiments for computing the... View full abstract»

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  • Developing agent models with a neural reinforcement technique

    Publication Year: 1989, Page(s):206 - 207 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (212 KB)

    A reinforcement training procedure was developed for sequential back-propagation networks and applied in several studies demonstrating interaction between agents in multiple-agent networks. In the first study, a network was trained to predict the next position of an agent which was moving in a complex pattern around the corners of a square. The network quickly learned to predict the position witho... View full abstract»

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  • Computation of features of 2-D polycurve-encoded boundaries

    Publication Year: 1989, Page(s):1041 - 1047 vol.3
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (428 KB)

    Polycurve codes is the name of a line-drawing model for describing object boundaries and contour lines. It belongs to chain-coding families such as chain codes and generalized chain codes. Polycurve codes make possible the direct extraction and labeling of predefined high-level line and arc segments from irregular object boundaries. Several algorithms for computing features of the objects from pol... View full abstract»

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  • VanderLugt correlator and neural networks

    Publication Year: 1989, Page(s):408 - 414 vol.2
    Cited by:  Papers (1)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (556 KB)

    Several experimental demonstrations of neural networks using coherent optics are demonstrated. An associative memory for word-break recognition and a learning machine for multicategory classification are discussed. Finally, a compact and robust coherent optical processor using a recently developed SELDA (surface emitting micro-laser diode array) is described. Although the applications are differen... View full abstract»

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