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camps 2006 - international workshop on computer architecture for machine perception and sensing

作者： Liu, Jun Hong, Xiaoyan Department of Computer Science University of Alabama Tuscaloosa AL 35487 United States

ISBN: (纸本)1424406862

This paper introduces an online load balanced energy-aware routing protocol for large-scale wireless sensor networks. The protocol designed, namely Traffic-Aware Energy Efficient(TAEE) routing protocol, exploits traffic load information in addition to power residue levels to optimize the load distribution of the entire sensor network, and thus accomplish longer network lifetime. An algorithm for adoptively computing the best parameter for TAEE is also described. Furthermore, to better accommodate larger-scale wireless sensor networks, our TAEE protocol can be adapted to include a random grouping scheme which implements hierarchical routing to reduce computation and routing overhead and to maintain energy efficiency. Our simulation shows that the TAEE protocol generates better performance in terms of network lifetime compared with the leading power-aware Max-min zPmin/protocol. © 2006 IEEE.

关键词： Wireless sensor networks

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Modelling and implementation of a novel SPR biointerface for time-effective detection of sepsis biomarkers

Modelling and implementation of a novel SPR biointerface for...

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camps 2006 - international workshop on computer architecture for machine perception and sensing

作者： Hoa, X.D. Kirk, A.G. Tabrizian, M. Department of Biomedical Engineering Centre for Biorecognition and Biosensors McGill University 3775 University Street Montréal QC H3A 2A4 Canada Faculty of Dentistry McGill Institute for Advanced Materials 3775 University Street Montréal QC H3A 2A4 Canada Department of Electrical and Computer Engineering Centre for Biorecognition and Biosensors McGill University 3775 University Street Montréal QC H3A 2A4 Canada

ISBN: (纸本)1424406862

Early and effective diagnosis of sepsis is made possible with the detection of specific biomarkers. This requires the design of a specific and sensitive immunoassay biointerface. In this proceeding, we discussed the modelling and implementation of a novel surface plasmon resonance (SPR) interface featuring nano-gratings and selective surface biochemical functionalization. Simulation suggests that such an interface enhances the sensitivity of SPR systems. © 2006 IEEE.

关键词： Surface plasmon resonance

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Clustering ensembles using genetic algorithm

Clustering ensembles using genetic algorithm

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camps 2006 - international workshop on computer architecture for machine perception and sensing

作者： Azimi, Javad Mohammadi, Mehdi Movaghar, Ali Analoui, Morteza Computer Department Iran University of Science and Technology University of Applied Science and Technology

ISBN: (纸本)1424406862

The Clustering ensembles combine multiple partitions of a given data into a single clustering solution of better quality. Clustering ensembles has emerged as a powerful method for improving both the robustness and the stability of unsupervised classification solutions. One of the major problems in clustering ensembles is the consensus function. Finding final partition from different clustering results needs expertness and robustness. In this paper we proposed the genetic algorithm in combination with co-association function as consensus function. With special mutation and one point crossover;GA tries to obtain the best partition. It refers to co-association function values for fitness function parameters. Fast convergence, simplicity, robustness and high accuracy are the most properties of the proposed algorithm. Experimental results illustrated the effectiveness of the proposed method on common datasets. © 2006 IEEE.

关键词： Genetic algorithms

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SEDLRF: A new door detection system for topological maps

SEDLRF: A new door detection system for topological maps

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camps 2006 - international workshop on computer architecture for machine perception and sensing

作者： ElKaissi, Muhieddine Elgamel, Mohamed Bayoumi, Magdy Zavidovique, Bertrand Center for Advanced Computer Studies University of Louisiana at Lafayette P.O. Box 44330 Lafayette LA 70504 United States Institut d'Électronique Fondamental Université Paris-Sud Orsay Cedex France

ISBN: (纸本)1424406862

Autonomous robots are currently receiving an increasing attention in the scientific community as well as in the industry. This is due to the upcoming applications in the field of service robotics. The first requirement for a robot to be able to do such tasks is to navigate successfully to desired locations in its environment. This paper investigates a perception system for topological navigation using real time laser information. The newly developed door detection system is named "Space and Edge Detection Laser Range Finder" or SEDLRF. SEDLRF detects space between door edges enabling fast door detection. Various experimental results show the performance of the presented system in detecting various doors by filtering at least 10 times of the detected points. SEDLRF achieves good performance with higher robot speed than other door detection systems. © 2006 IEEE.

关键词： Robots

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Facial image authentication system based on real-time 3D facial imaging by using complex-valued eigenfaces algorithm

Facial image authentication system based on real-time 3D fac...

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camps 2006 - international workshop on computer architecture for machine perception and sensing

作者： Zhan, Shu Kurihara, T. Ando, S. School of Computer and Information Hefei University of Technology Hefei Anhui 230009 China Department of Information Physics and Computing Graduate School of Information Science and Technology University of Tokyo 7-3-1 Bunkyo-Ku Tokyo 113-8656 Japan

ISBN: (纸本)1424406862

In this paper, a facial image recognition system based on 3D real-time facial imaging system is proposed. Based on the vector map and intensity image obtained by three-phase correlation image sensor, the Differential Geometry theory is employed to find the key points of face image, according to these key points, the 3D facial image in different pose is correction. In this paper, the traditional eigenface algorithm is extended to the complex-valued eigenface based on the 3D imaging system;the complex-valued eigenface algorithm could take advantage more facial information than the normal eigenface technique. The experiments show that the performance for our test is very satisfactory. © 2006 IEEE.

关键词： Imaging systems

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Performance study of a multicast protocol for wireless sensor networks based on N2 connectivity

Performance study of a multicast protocol for wireless senso...

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camps 2006 - international workshop on computer architecture for machine perception and sensing

作者： Wang, Ju Virginia Commonwealth University Computer Science Department 601 West Main St. Richmond VA United States

ISBN: (纸本)1424406862

We propose a distributed wireless multicast protocol based on 2-hop neighbor information. A unique feature of our algorithm is that the formation of the multicast tree is done during the media access stage and requires little additional message exchanging. Each node only needs to keep track the receiving status for all nodes within its 2-hop neighborhood, leading to a very light protocol. The effectiveness of our approach also comes from a novel MAC layer solution which can quickly resolve the multicast CTS collisions. We conducted detailed simulations to evaluate the performance of the proposed protocol. Simulation results indicate that our protocol offers considerable improvement in multicast turnaround time and has superior energy/packet performance. © 2006 IEEE.

关键词： Trees (mathematics)

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A rapid prototyping methodology for application-specific sensor networks

A rapid prototyping methodology for application-specific sen...

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camps 2006 - international workshop on computer architecture for machine perception and sensing

作者： Shen, Chung-Ching Badr, Celine Kordari, Kamiar Bhattacharyya, Shuvra S. Blankenship, Gilmer L. Goldsman, Neil Department of Electrical and Computer Engineering University of Maryland College Park 20742 United States

ISBN: (纸本)1424406862

Wireless sensor network systems depend on many interrelated system parameters. The associated design space is vast, and effective optimization in this space is challenging. In this paper, we introduce a system-level design methodology to find efficient configurations for an application-specific sensor network system where optimization of energy consumption is a primary implementation criterion. This methodology incorporates fine-grained, system-level energy models;analyzes critical parameters of candidate off-the-shelf components;integrates the associated parameters into a comprehensive optimization framework;and applies optimized configurations to the actual hardware implementation of the targeted sensor network system. The results of fidelity analysis of the models that underlie our optimization framework together with the results of our hardware implementation demonstrate the accuracy and applicability of our methodology and supporting tools for optimized configuration of application-specific sensor networks. © 2006 IEEE.

关键词： Energy utilization

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The international workshop on computer architecture for machine perception and sensing: Foreword

CAMPS 2006 - International Workshop on Computer Architecture...

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camps 2006 - international workshop on computer architecture for machine perception and sensing, Conference Proceedings 2006年 ix页

作者： Bayoumi, Magdy A. Sawan, Mohamad University of Louisiana Lafayette United States École Polytechnique de Montréal

No abstract available

ISBN: (纸本)1424406862

No abstract available

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Implantable Electronic Device Dedicated to Neural Stimulation and sensing

Implantable Electronic Device Dedicated to Neural Stimulatio...

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computer architectures for machine perception (CAMP)

作者： F. Mounaim M. Sawan Polystim Neurotechnologies Laboratory Montreal Canada

This paper presents the design and implementation of a new implantable electronic device dedicated for neural stimulation and monitoring. In addition to neuro-stimulation, this device includes impedance telemetry capabilities. The architecture of the proposed device is presented with a focus on its impedance measurement and telemetry. Assuming an equivalent parallel RC network for the electrodes-tissues contact impedance, resistance and capacitance can be measured with less than 5% and 15% errors respectively. Data is sent wirelessly to an external controller at 1 kbps data transmission rate.

关键词： Implants Telemetry Impedance measurement Field programmable gate arrays Biomedical monitoring Batteries Voltage computer architecture Condition monitoring Capacitance measurement

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Customizing CPU Instructions for Embedded Vision Systems

Customizing CPU Instructions for Embedded Vision Systems

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computer architectures for machine perception (CAMP)

作者： Stephane Piskorski Lionel Lacassagne Samir Bouaziz Daniel Etiemble LRI Université Paris Sud France IEF Université Paris Sud France

This paper presents the customization of two processors: the Altera NIOS2 and the Tensilica Xtensa, for fundamental algorithms in embedded vision systems: the salient point extraction and the optical flow computation. Both can be used for image stabilization, for drones and autonomous robots. Using 16-bit floating-point instructions, the architecture optimization is done in terms of accuracy, speed and power consumption. A comparison with a PowerPC Altivec is also done.

关键词： machine vision Signal processing algorithms Optical computing Energy consumption computer architecture Optical signal processing Image motion analysis Iterative algorithms computer vision Embedded system

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