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Proceedings of the IEEE

Issue 7 • July 2002

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Displaying Results 1 - 15 of 15
  • Scanning the issue - Special issue on technology and tools for visual perception

    Publication Year: 2002, Page(s):1091 - 1093
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    Freely Available from IEEE
  • First steps of robotic perception: the turning point of the 1990s

    Publication Year: 2002, Page(s):1094 - 1112
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (329 KB) | HTML iconHTML

    In this paper we analyze the early evolution of robot perception toward robot autonomy: respective impacts of the bare technology and of advanced control are put in perspective. At first, the UniBuM's vehicle, operational in the 1990s, is taken as a study example. The strong points of such systems suggest a discussion of the software technology in image processing and of the hardware technological... View full abstract»

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  • Parallel asynchronous computations for image analysis

    Publication Year: 2002, Page(s):1218 - 1229
    Cited by:  Papers (7)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (394 KB) | HTML iconHTML

    Many works have been done for parallelizing low-level image analysis computations. However the task is harder for higher levels, as the data manipulations are complex, and there is a wide range of algorithms to encompass. To allow concurrently speed and programmability, a high-level programming model that can be efficiently implemented on parallel architectures is required. To achieve this goal, w... View full abstract»

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  • Artificial vision in road vehicles

    Publication Year: 2002, Page(s):1258 - 1271
    Cited by:  Papers (120)  |  Patents (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (313 KB) | HTML iconHTML

    The last few decades have witnessed the birth and growth of a new sensibility to transportation efficiency. In particular the need for efficient and improved people and goods mobility has pushed researchers to address the problem of intelligent transportation systems. This paper surveys the most advanced approaches to (partial) customization of the road following task, using on-board systems based... View full abstract»

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  • Toward visual microprocessors

    Publication Year: 2002, Page(s):1244 - 1257
    Cited by:  Papers (42)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (509 KB) | HTML iconHTML

    This paper outlines motivations and models underlying the design of visual microprocessors based on the cellular neural network universal machine. We also overview the state of the art regarding the realization of these microprocessors in the form of very large-scale integration chips. Examples corresponding to measurements realized on these chips are enclosed for illustration purposes. View full abstract»

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  • On the efficiency of image and video processing programs on instruction level parallel processors

    Publication Year: 2002, Page(s):1230 - 1243
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (418 KB) | HTML iconHTML

    While in the last decade image and video processing (IVP) have gradually moved from special purpose computer architectures based on massive parallelism (MP) to general purpose computer architectures based on instruction-level parallelism (ILP), a new challenge is now to be faced by the IVP community, namely the application of IVP also in small-size embedded systems (e.g., video players, smart came... View full abstract»

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  • A pyramid-based front-end processor for dynamic vision applications

    Publication Year: 2002, Page(s):1188 - 1200
    Cited by:  Papers (15)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (335 KB) | HTML iconHTML

    Real-time vision tasks such as autonomous driving require prodigious computing power yet practical vision systems need to be compact and low cost. I suggest that such systems can be partitioned into two computing stages, for "front-end processing" and "high-level interpretation," respectively, and that each of these stages can be implemented as a single integrated circuit or a small number of such... View full abstract»

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  • High-speed sensory-motor fusion based on dynamics matching

    Publication Year: 2002, Page(s):1178 - 1187
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (383 KB) | HTML iconHTML

    This paper discusses a design concept of a sensory-motor fusion system to achieve high performance in a dynamic changing environment. From the viewpoint of a dynamic system, the new concept called "dynamics matching" is proposed to match the dynamics constraints of a system. Based on this concept, we describe a high-speed vision chip that has a general purpose parallel processing array along with ... View full abstract»

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  • Background and foreground modeling using nonparametric kernel density estimation for visual surveillance

    Publication Year: 2002, Page(s):1151 - 1163
    Cited by:  Papers (698)  |  Patents (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB) | HTML iconHTML

    Automatic understanding of events happening at a site is the ultimate goal for many visual surveillance systems. Higher level understanding of events requires that certain lower level computer vision tasks be performed. These may include detection of unusual motion, tracking targets, labeling body parts, and understanding the interactions between people. To achieve many of these tasks, it is neces... View full abstract»

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  • Reconfigurable computing systems

    Publication Year: 2002, Page(s):1201 - 1217
    Cited by:  Papers (75)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (358 KB) | HTML iconHTML

    Reconfigurable computing is emerging as the new paradigm for satisfying the simultaneous demand for application performance and flexibility. The ability to customize the architecture to match the computation and the data flow of the application has demonstrated significant performance benefits compared to general purpose architectures. Computer vision applications are one class of applications tha... View full abstract»

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  • Learning and vision machines

    Publication Year: 2002, Page(s):1164 - 1177
    Cited by:  Papers (8)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (378 KB) | HTML iconHTML

    The problem of learning is arguably at the very core of the problem of intelligence, both biological and artificial. In this paper we review our approach to the problem of visual perception based on supervised learning. After a brief presentation of the theoretical background, we focus on some of the engineering applications of statistical learning to computer vision and discuss the main open prob... View full abstract»

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  • Visual space-time geometry - A tool for perception and the imagination

    Publication Year: 2002, Page(s):1113 - 1135
    Cited by:  Papers (5)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (703 KB) | HTML iconHTML

    Although the fundamental ideas underlying research efforts in the field of computer vision have not radically changed in the past two decades, there has been a transformation in the way work in this field is conducted. This is primarily due to the emergence of a number of tools, of both a practical and a theoretical nature. One such tool, celebrated throughout the nineties, is the geometry of visu... View full abstract»

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  • Integrating perceptual and cognitive modeling for adaptive and intelligent human-computer interaction

    Publication Year: 2002, Page(s):1272 - 1289
    Cited by:  Papers (47)  |  Patents (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (419 KB) | HTML iconHTML

    This paper describes technology and tools for intelligent human-computer interaction (IHCI) in which human cognitive, perceptual, motor and affective factors are modeled and used to adapt the H-C interface. IHCI emphasizes that human behavior encompasses both apparent human behavior and the hidden mental state behind behavioral performance. IHCI expands on the interpretation of human activities, k... View full abstract»

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  • Real-time multitarget tracking by a cooperative distributed vision system

    Publication Year: 2002, Page(s):1136 - 1150
    Cited by:  Papers (61)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (499 KB) | HTML iconHTML

    Target detection and tracking is one of the most important and fundamental technologies to develop real-world computer vision systems such as security and traffic monitoring systems. This paper first categorizes target tracking systems based on characteristics of scenes, tasks, and system architectures. Then we present a real-time cooperative multitarget tracking system. The system consists of a g... View full abstract»

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  • After the tungsten filament

    Publication Year: 2002, Page(s):1290 - 1293
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (215 KB) | HTML iconHTML

    By the end of the first World War, it must have seemed that the development of electric lighting had reached its peak. Tungsten filament lamps were firmly established as the best light for most purposes, even though arc lamps were still widely used out of doors. Other ways of making light were also being investigated, though none were as simple and convenient as filament lamps. Most promising were... View full abstract»

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North Carolina State University