Proceedings of Conference on Intelligent Transportation Systems

12-12 Nov. 1997

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Displaying Results 1 - 25 of 186
  • Opening comments

    Publication Year: 1997, Page(s):14 - 15
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  • Perspectives from the private sector

    Publication Year: 1997, Page(s):16 - 18
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  • Issues of in-vehicle ITS informaion management

    Publication Year: 1997, Page(s):33 - 37
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  • Closing plenary

    Publication Year: 1997, Page(s): 39
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    Provides an abstract of the presentation and a brief professional biography of the presenter. The complete presentation was not made available for publication as part of the conference proceedings. View full abstract»

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  • Session 3: Technology issues in ITS information services - Introduction

    Publication Year: 1997, Page(s):94 - 95
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (177 KB)

    The goal of Session 3 is to develop an understanding of technology issues that are central to creating and delivering ITS information services. Directly or indirectly, consumer needs and perspectives shape these issues and the resulting development and economic viability of products, services, and support infrastructure that will define the ITS information services industry. The consumer marketpla... View full abstract»

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  • Obstacle and lane detection on ARGO

    Publication Year: 1997, Page(s):1010 - 1015
    Cited by:  Papers (17)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (919 KB)

    Presents ARGO, the experimental land vehicle developed at the Dipartimento di Ingegneria dell'Informazione of the University of Parma, Italy. ARGO integrates the GOLD (generic obstacle and lane detection) system, a stereo vision-based hardware and software architecture that allows detection of both generic obstacles (without constraints on shape, color or symmetry) on flat roads and the lane posit... View full abstract»

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  • Index of authors

    Publication Year: 1997, Page(s):1074 - 1081
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  • Index of titles

    Publication Year: 1997, Page(s):1082 - 1085
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  • Index of keywords

    Publication Year: 1997, Page(s):1086 - 1088
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  • Proceedings of Conference on Intelligent Transportation Systems

    Publication Year: 1997
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    Freely Available from IEEE
  • Automatic vehicle location using sensory maps: a brief demonstration

    Publication Year: 1997, Page(s):1016 - 1021
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (632 KB)

    The ability to perform automatic vehicle location (AVL) is a requirement for a variety of applications in intelligent transportation systems like vehicle guidance, dynamic route optimization, scheduling, bus stop annunciation, security, fleet tracking, etc. We describe a new approach to AVL where data from a simple low-bandwidth sensor producing 1-dimensional visual data is matched against a store... View full abstract»

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  • An FMCW radar sensor for collision avoidance

    Publication Year: 1997, Page(s):427 - 432
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    This paper presents the hardware and software architecture and the system requirements, design and measurements of a 24 GHz radar sensor for collision avoidance applications. The radar uses FMCW modulation and time/frequency channelization to attain interference tolerance with other radars. The millimeter wave module was fabricated from GaAs PHEMT MMICs developed during the program. The MMICs and ... View full abstract»

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  • Model-based scene tracking using radar sensors for intelligent automotive vehicle systems

    Publication Year: 1997, Page(s):421 - 426
    Cited by:  Papers (4)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (440 KB)

    Several intelligent vehicle applications require knowledge of the presence of objects in the path of the host vehicle. Current approaches to this in-path decision process do not fully utilize the information available from the forward-looking sensor. This paper describes a path algorithm in which the observed trajectories of preceding vehicles are used to determine the shape of the road in front o... View full abstract»

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  • Performance analysis and optimization of vehicular spread spectrum radar using multi-beam antenna

    Publication Year: 1997, Page(s):661 - 666
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    Investigates a vehicular radar system that can measure the distance to, the relative speed of and the direction of arrival (DOA) of the reflected waves from multiple targets or vehicles using the direct-sequence spread spectrum (DS-SS) technique. In particular, we examine the relationship between the number of multiple beams and the error probability of DOA estimation and investigate the relations... View full abstract»

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  • An image processing method to detect road surface condition using optical spatial frequency

    Publication Year: 1997, Page(s):1005 - 1009
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    A road surface recognition method at fixed positions on the road is presented, with which a light source and a CCD camera are employed. The method has a certain optical configuration and two factors: road gloss and spatial frequency spectra of the road surface. Experimental results show that the road surface conditions that were expected to be discriminated in cold districts were recognized. There... View full abstract»

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  • Integrating radar and carrier phase GPS for classifying roadway obstacles

    Publication Year: 1997, Page(s):835 - 840
    Cited by:  Papers (6)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    This paper describes an integrated MMW radar and GPS/road-map system for autonomous on-road navigation. The radar sensor has a range of approximately 200 metres and uses a linear array of receivers and wavefront reconstruction techniques to compute range and bearing of objects within the field of view. It is integrated with a carrier phase GPS/road-map system to accurately detect and classify obst... View full abstract»

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  • LEXLUTHER: an algorithm for detecting roads and obstacles in radar images

    Publication Year: 1997, Page(s):415 - 420
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (768 KB)

    This paper describes LEXLUTHER (likelihood-based experiments evaluating the efficacy of radar), an algorithm for detecting roads and obstacles in radar data taken from an imaging platform mounted on a stationary automobile. Such an algorithm would be useful in systems that provide all-weather driving assistance. Road boundaries are detected first. The prior shape of the road boundaries is modeled ... View full abstract»

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  • Autonomy in a restricted world

    Publication Year: 1997, Page(s):625 - 630
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (460 KB)

    This paper studies “autonomy” in the context of automated highway systems (AHS) and explores means of designing hybrid controllers for local decision-making in an autonomous vehicle. A supervisory controller is developed which generates event-driven commands to the low-level continuous state controllers. The presented work is an overview of the top level controller for OSU Demo '97 (au... View full abstract»

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  • Passive ranging for acquisition of range images: applications to longitudinal vehicle control and warning systems

    Publication Year: 1997, Page(s):655 - 660
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (540 KB)

    A single-lens, single-aperture passive range-imaging system has been developed based on wavefront coding of incoherent images using a standard CCD camera and lens, and a phase mask. Two-dimensional range images or point-measurements of range may be derived using fast spectral estimators, enabling efficient, real-time, range determination. Theoretical limits available for the errors of the estimato... View full abstract»

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  • Vision-based lateral control of vehicles

    Publication Year: 1997, Page(s):900 - 905
    Cited by:  Papers (23)
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    We describe the problem of automated steering using computer vision, focusing the analysis and design on appropriate lateral controllers. We investigate various static feedback strategies where the measurements obtained from vision, namely offset from the center line at some lookahead distance and the angle between the road tangent and the orientation of the vehicle at some lookahead distance, are... View full abstract»

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  • Reconfigurable head up displays for enhanced vehicle-to-driver communication

    Publication Year: 1997, Page(s):308 - 313
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB)

    Head up displays offer the potential for improved vehicle to driver communication, particularly as new ITS features are implemented. In order to best address this opportunity, a fully reconfigurable high brightness active matrix vacuum fluorescent head up display has been developed. This display features a brightness of 9600 ftL, luminous efficiency of 14 lumens/W, and a small package size compara... View full abstract»

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  • Road surface recognition sensor using an optical spatial filter

    Publication Year: 1997, Page(s):1000 - 1004
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (356 KB)

    A road surface recognition sensor has been realized by using an optical spatial filter. The sensor transforms a road surface image into a spatial frequency spectrum. The frequency distribution depends on the road surface type. Ground velocity is shown by a filtered moving image. In order to develop a stable system with this method, we have constructed a system which detects normal reflection for t... View full abstract»

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  • Collision detection VLSI processor for intelligent vehicles based on a hierarchical obstacle representation

    Publication Year: 1997, Page(s):830 - 834
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB)

    To avoid a traffic accident, it is needed to detect a possible collision between a vehicle and obstacles at high speed. If we increase the accuracy of an obstacle representation, it results in an increase in the number of discrete points to represent obstacles and the number of collision checks for the discrete points. We propose a hierarchical collision detection algorithm to reduce the time comp... View full abstract»

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  • Data pre-processing for obstacle detection in automotive applications

    Publication Year: 1997, Page(s):409 - 414
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    We have worked on the design of a VAN (value-added network) system used in the French PROMETHEUS PROCHIP obstacle detection car demonstrator. This centralized demonstrator architecture shown its limits in 1994. Then we decided to compress the sensor data before conveying them via the network. This paper reminds of our contribution in PROCHIP project and presents our radar database, including the e... View full abstract»

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  • Issues of dedicated lanes for an automated highway

    Publication Year: 1997, Page(s):619 - 624
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (484 KB)

    This paper discusses the role of dedicated lanes in the automated highway system (AHS). Dedicated lanes are defined and compared with mixed traffic lanes. Discussion of the safety of dedicated lanes includes a look at obstacles in the right-of-way. Additional topics discussed in this article include: increased throughput on dedicated lanes, interchange issues, simulations findings, the affect of d... View full abstract»

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