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IEEE Journal of Selected Topics in Signal Processing

Issue 4 • Aug. 2008

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  • Table of contents

    Publication Year: 2008, Page(s): C1
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  • IEEE Journal of Selected Topics in Signal Processing publication information

    Publication Year: 2008, Page(s): C2
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  • Introduction to the Issue on Distributed Processing in Vision Networks

    Publication Year: 2008, Page(s):445 - 447
    Cited by:  Papers (2)
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  • Distributed Object Tracking Using a Cluster-Based Kalman Filter in Wireless Camera Networks

    Publication Year: 2008, Page(s):448 - 463
    Cited by:  Papers (71)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1618 KB) | HTML iconHTML

    Local data aggregation is an effective means to save sensor node energy and prolong the lifespan of wireless sensor networks. However, when a sensor network is used to track moving objects, the task of local data aggregation in the network presents a new set of challenges, such as the necessity to estimate, usually in real time, the constantly changing state of the target based on information acqu... View full abstract»

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  • Optimal Camera Network Configurations for Visual Tagging

    Publication Year: 2008, Page(s):464 - 479
    Cited by:  Papers (34)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1541 KB) | HTML iconHTML

    Proper placement of cameras in a distributed smart camera network is an important design problem. Not only does it determine the coverage of the surveillance, but it also has a direct impact on the appearance of objects in the cameras which dictates the performance of all subsequent computer vision tasks. In this paper, we propose a generic camera placement model based on the visibility of objects... View full abstract»

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  • Spatial Partitioning in Self-Organizing Smart Camera Systems

    Publication Year: 2008, Page(s):480 - 492
    Cited by:  Papers (17)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1204 KB) | HTML iconHTML

    We propose a decentralized, self-organizing system architecture for wireless networked smart cameras (SCs) with pan, tilt, and zoom abilities. Each SC communicates with its neighbors and independently calculates the optimal position for its field of view. Thereby, SCs autonomously organize themselves and spatially partition the area they observe. This is achieved by a decentralized algorithm that ... View full abstract»

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  • Lightweight People Counting and Localizing for Easily Deployable Indoors WSNs

    Publication Year: 2008, Page(s):493 - 502
    Cited by:  Papers (10)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (838 KB) | HTML iconHTML

    We describe a lightweight method for counting and localizing people using camera sensor networks. The algorithm makes use of a motion histogram to detect people based on motion and size criteria. The motion histogram is an averaged shifted histogram that estimates the distribution of people in a room given the above-threshold pixels in a frame-differenced ldquomotionrdquo image. The algorithm prov... View full abstract»

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  • Target Detection and Tracking With Heterogeneous Sensors

    Publication Year: 2008, Page(s):503 - 513
    Cited by:  Papers (40)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1303 KB) | HTML iconHTML

    We present a multimodal detection and tracking algorithm for sensors composed of a camera mounted between two microphones. Target localization is performed on color-based change detection in the video modality and on time difference of arrival (TDOA) estimation between the two microphones in the audio modality. The TDOA is computed by multiband generalized cross correlation (GCC) analysis. The est... View full abstract»

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  • A Visible/Infrared Fusion Algorithm for Distributed Smart Cameras

    Publication Year: 2008, Page(s):514 - 525
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1299 KB) | HTML iconHTML

    This paper describes an algorithm for visible/infrared fusion for video surveillance. Our technique combines signal-level and decision-level multispectral information fusion. We combine several techniques: we model observations in each spectral channel by a typical pixel-level mixture-of-Gaussian-based model; we model high level factors such as confidence of each modality, motion, object area, and... View full abstract»

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  • Energy-Aware High Resolution Image Acquisition via Heterogeneous Image Sensors

    Publication Year: 2008, Page(s):526 - 537
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1248 KB) | HTML iconHTML

    We present an energy-efficient high resolution image acquisition approach based on a two-tiered system comprising low-cost, low-power, non-actuated, extremely resource-constrained stereo image sensor platforms and more capable but more power-consumptive high resolution imaging platforms with actuation capability. The resource constrained platforms are used to compute 3D object location and subsequ... View full abstract»

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  • Distributed Multilevel Data Fusion for Networked Embedded Systems

    Publication Year: 2008, Page(s):538 - 555
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1777 KB) | HTML iconHTML

    Recently much research has been conducted in visual sensor networks. Compared to traditional sensor networks, vision networks differ in various aspects such as the amount of data to be processed and transmitted, the requirements on quality-of-service, and the level of collaboration among the sensor nodes. This paper deals with sensor fusion on visual sensor networks. We focus here on methods for f... View full abstract»

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  • Exploitation of Interframe Redundancy for Real-Time Volumetric Reconstruction of Arbitrary Shapes

    Publication Year: 2008, Page(s):556 - 567
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (501 KB) | HTML iconHTML

    Scalable systems reconstructing arbitrary shapes in real time need a cluster of computers and an efficient strategy to share information. Optimizing the performances of the system requires considering how to spread the complexity over the nodes of the cluster. It means taking into account the kind of information to share between nodes, how to transmit it, and how to merge it given the available ba... View full abstract»

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  • Detecting Dominant Motions in Dense Crowds

    Publication Year: 2008, Page(s):568 - 581
    Cited by:  Papers (34)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2234 KB) | HTML iconHTML

    We discuss the problem of detecting dominant motions in dense crowds, a challenging and societally important problem. First, we survey the general literature of computer vision algorithms that deal with crowds of people, including model- and feature-based approaches to segmentation and tracking as well as algorithms that analyze general motion trends. Second, we present a system for automatically ... View full abstract»

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  • Robust Tracking in A Camera Network: A Multi-Objective Optimization Framework

    Publication Year: 2008, Page(s):582 - 596
    Cited by:  Papers (31)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2300 KB) | HTML iconHTML

    We address the problem of tracking multiple people in a network of nonoverlapping cameras. This introduces certain challenges that are unique to this particular application scenario, in addition to existing challenges in tracking like pose and illumination variations, occlusion, clutter and sensor noise. For this purpose, we propose a novel multi-objective optimization framework by combining short... View full abstract»

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  • Active Multicamera Networks: From Rendering to Surveillance

    Publication Year: 2008, Page(s):597 - 605
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (846 KB) | HTML iconHTML

    Active multicamera networks have a large and growing application base. On one end of the spectrum, active camera networks are being used to enhance the rendering or modeling of a single scene. Here, the many simultaneous views can be used to render a synthetic real time view even in a dynamically changing environment. The technical challenges include depth estimation within the scene, image correl... View full abstract»

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  • IEEE Journal of Selected Topics in Signal Processing Information for authors

    Publication Year: 2008, Page(s): 606
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  • IEEE International Symposium on Broadband Multimedia Systems and Broadcasting

    Publication Year: 2008, Page(s): 607
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  • Special issue on compressive sensing

    Publication Year: 2008, Page(s): 608
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  • IEEE Signal Processing Society Information

    Publication Year: 2008, Page(s): C3
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  • Blank page [back cover]

    Publication Year: 2008, Page(s): C4
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Aims & Scope

The Journal of Selected Topics in Signal Processing (J-STSP) solicits special issues on topics that cover the entire scope of the IEEE Signal Processing Society including the theory and application of filtering, coding, transmitting, estimating, detecting, analyzing, recognizing, synthesizing, recording, and reproducing signals by digital or analog devices or techniques.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief

Shrikanth (Shri) S. Narayanan
Viterbi School of Engineering 
University of Southern California
Los Angeles, CA 90089 USA
shri@sipi.usc.edu