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World Congress on Information and Communication Technologies (WICT)

作者： Aditi Mhapsekar Priyanka Kulkarni Uma Nagarsekar Dhananjay R. Kalbande Dept. of Computer Engineering Sardar Patel Inst. of Technology University of Mumbai Mumbai India

Commuters in India face a lot of vehicular problems which usually go unreported and thus, unattended. This is because making a location aware complaint is an inconvenient affair. This paper presents the architecture of a Voice Enabled Global Positioning System (GPS) based approach for reporting vehicular complaints on an Android platform. The complaint is registered via the Short Message Service (SMS) over the Global System for Mobile Communications (GSM). GPS tracking enhances the accuracy and competence of the complaint system by mapping the location where the complaint was issued. This will aid the authorities to identify the spot and have the problems resolved responsively. Since the proposed system is voice enabled and Android based on the complainant side, it will serve as a facilitative platform for Indian road commuters to send complaints to the relevant authorities, in addition to the existing channels, so that these issues could be addressed in a timely manner.

关键词： Decision support systems Communications technology

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Random Walkers Based Segmentation Method For Breast Thermography

Random Walkers Based Segmentation Method For Breast Thermogr...

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IEEE-EMBS Conference on Biomedical engineering and Sciences

作者： Mehrdad Moghbel Hajjah Rozi Mahmud Syamsiah Mashohor M. Iqbal Bin Saripan Sensor Technology Laboratory Institute of Advanced Technology Dept. of Informatics and Imaging Faculty of medicine and health sciences UPM Dept. of Computer & Communication Systems Faculty of Engineering UPM

ISBN: (纸本)9781467316644

In breast thermography diagnostic, proper detection and segmentation of the areola area as well as detection of breast boundaries present the biggest challenge. As the boundaries of breasts especially in the upper quadrants are usually not present, this produces a great deal of challenge to segment breasts automatically. Many approaches have been developed to segment the breast in the past such as Snakes, Active Contours and Circular Hough Transforms, but these methods fail to detect the boundaries of the breast with the required level of accuracy especially the upper boundaries of the breast. By utilizing most recent segmentation method which is Random Walkers, the breast can be segmented accurately which in turn will increase the accuracy and the reliability of computer aided detection/diagnosis systems.

关键词： Image segmentation Random walkers Breast thermography Areola detection

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Real-time dynamic vehicle detection on resource-limited mobile platform

Real-time dynamic vehicle detection on resource-limited mobi...

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2012 International Conference on Machine Learning and Cybernetics, ICMLC 2012

作者： Chen, Duan-Yu Chen, Guo-Ruei Wang, Yu-Wen Yu, Jen-Yu Hsieh, Jun-Wei Chuang, Chi-Hung Department of Electrical Engineering Yuan Ze University Taiwan Info. and Comm. Research Labs. Industrial Technology Research Inst. Hsinchu Taiwan Department of Computer Science and Engineering National Taiwan Ocean University Taiwan Dept. of Learning and Digital Technology Fo Guang University Taiwan

ISBN: (纸本)9781467314855

Given the rapid expansion of car ownership worldwide, vehicle safety is an increasingly critical issue in the automobile industry. The reduced cost of cameras and optical devices has made it economically feasible to deploy front-mounted intelligent systems for visual-based event detection. Prior to vehicle event detection, detecting vehicles robustly in real time is challenging, especially conducting detection process in images captured by a dynamic camera. Therefore, in this paper, a robust vehicle detector is developed. Our contribution is three-fold. Road modeling is first proposed to confine detection area for maintaining low computation complexity and reducing false alarms as well. Haar-like features and eigencolors are then employed for the vehicle detector. To tackle the occlusion problem, chamfer distance is used to estimate the probability of each individual vehicle. AdaBoost algorithm is used to select critical features from a combined high dimensional feature set. Experiments on an extensive dataset show that our proposed system can effectively detect vehicles under different lighting and traffic conditions, and thus demonstrates its feasibility in real-world environments. © 2012 IEEE.

关键词： Intelligent systems

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CP-driven Modelling for Multi-modal Cyclic Transport Systems

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IFAC Proceedings Volumes 2012年第6期45卷 339-344页

作者： G. Bocewicz R. Wójcik Z. Banaszak Dept. of Computer Science and Management Koszalin University of Technology Sniadeckich 2 75-453 Koszalin Poland Institute of Computer Engineering Control and Robotics Wrocław University of Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland Dept. of Business Informatics Warsaw University of Technology Narbutta 85 02-524 Warsaw Poland

This paper concerns the domain of the multimodal transportation systems composed of buses, trains, trams and subways lines and focuses on the scheduling problems encountered in these systems. Transportation Network Infrastructure (TNI) can be modeled as a network of lines providing cyclic routes for particular kinds of stream-like moving transportation means. Lines are connected by common shared change stations. Depending on TNI timetabling the time of the trip of passengers following different itineraries may dramatically differ, e.g. the same distances along the north-south, and east-west directions may require different travel time. So, the mine question regards of TNI schedulability, e.g. the guarantee the same distances in arbitrarily assumed directions will require approximate traveled time. Considered timetabling problem belongs to NP-hard ones. The declarative model of TNI enabling to formulate cyclic scheduling problem in terms of the constraint satisfaction one is our main contribution. At last, the simulated results manifest the promising properties of the proposed model.

关键词： cyclic scheduling multimodal transport system multimodal processes declarative modeling constraints programming

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Design of an RNS reverse converter for a new five-moduli special set 12

Design of an RNS reverse converter for a new five-moduli spe...

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22nd Great Lakes Symposium on VLSI, GLSVLSI'2012

作者： Patronik, Piotr Berezowski, Krzysztof Biernat, Janusz Piestrak, Stanislaw J. Shrivastava, Aviral Inst. of Computer Engineering Control and Robotics Wroclaw Univ. of Technology 50-372 Wroclaw Poland Université de Lorraine 54506 Vandoeuvre-lès-Nancy France CSE Dept Compiler Microarchitecture Lab Arizona State University Tempe AZ 85281 United States

ISBN: (纸本)9781450312448

In this paper, we present a new residue number system (RNS) {2n - 1, 2n, 2n + 1, 2n+1 + 1, 2n-1 + 1} of five well- balanced moduli that are co-prime for odd n. This new RNS complements the 5-moduli RNS system proposed before for even n {2n-1, 2n, 2n+1, 2n-1, -1}. With the new set, we also present a novel approach to designing multimoduli reverse converters that focuses strongly on moving a significant amount of computations off the critical path. The synthesis of the resulting design over the ST Microelectronics 65nm LP library demonstrates that the delay, area, and power characteristics improve the performance and power consumption of the existing complementary 5-moduli set. Copyright 2012 ACM.

关键词： Microelectronics

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A Scalable Iterative Convex Design for Nonlinear Systems

A Scalable Iterative Convex Design for Nonlinear Systems

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American Control Conference

作者： Simone Baldi Petros A. Ioannou Elias B. Kosmatopoulos Computer Science Department University of Cyprus (UCY) 1678 Nicosia Cyprus Department of Electrical Engineering University of Southern California Los Angeles CA USA Dept. of Electrical and Computer Engineering Democritus University of Thrace Xanthi Greece and the Informatics & Telematics Institute Center for Research and Technology Hellas (ITICERTH) Thessaloniki Greece

ISBN: (纸本)9781457710957

A recently developed control scheme for approximately optimal control of nonlinear systems is the so-called Convex Control Design (ConvCD) methodology, that transforms the control problem of generic nonlinear systems into a convex optimization problem. The ConvCD approach constructs a polynomial controller approximating the optimal control law: such design does not provide a scalable controller as it requires the use of a polynomial controller, which is not scalable, especially in large-scale applications. This problem is overcome in this paper by modifying the ConvCD formulation so that the optimal control law is approximated with a Multi-Controller with Mixing: that is, the polynomial controller is substituted by linear control elements plus mixing signals that are responsible for smoothly switching from one linear element to another. The stability properties of the Multi-Controller with Mixing are analyzed and an iterative approach is proposed to solve the resulting optimization problem. The resulting procedure aims at the development of a scalable and modular architecture for nonlinear systems, in order to allow for easier implementation and re-configurability. A numerical example is used to show the effectiveness of the method.

关键词： Nonlinear systems Scalability Optimal control control law Mixing Blending Controllers Convexity Iterative Polynomial

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Fuzzy watershed algorithm: An enhanced algorithm for 2D gel electrophoresis image segmentation

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International Journal of computer Science Issues 2012年第2 2-3期9卷 561-577页

作者： Rashwan, Shaheera Sarhan, Amany Faheem, Muhamed Talaat Youssef, Bayumy.A. Informatics Research Institute City for Science and Technology Borg ElArab Alexandria Egypt Computer science and Automatic Control Engineering Department Faculty of Engineeing University of Tanta Tanta Egypt EE dept-Faculty of Engineering Taif University Saudi Arabia

An important issue in the analysis of two-dimensional electrophoresis images is the detection and quantification of protein spots. The main challenges in the segmentation of 2DGE images are to separate overlapping protein spots correctly and to find the abundance of weak protein spots. To enable comparison of protein patterns between different samples, it is necessary to match the patterns so that homologous spots are identified. In this paper, we describe a new robust technique to segment and model the different spots present in the gels. The Watershed segmentation algorithm is modified to handle the problem of over segmentation by initially partitioning the image to mosaic regions using the composition of fuzzy relations. The experimental results showed the effectiveness of the proposed algorithm to overcome the over segmentation problem associated with the available algorithm. We also use a wavelet denoising function to enhance the quality of the segmented image. The parameters of the wavelet function are obtained using the Genetic Algorithm search technique. The results of using the denoising function before the proposed Fuzzy Watershed segmentation algorithm is very promising as they are better than those without denoising. © 2012 International Journal of computer Science Issues.

关键词： Image segmentation

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Tile-Based GPU Optimizations through ESL Full System Simulation

Tile-Based GPU Optimizations through ESL Full System Simulat...

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IEEE International Symposium on Circuits and Systems

作者： Hsu-Yao Huang Chi-Yuan Huang Chung-Ho Chen Information and Communications Research Labs Industrial Technology Research Institute Hsinchu Taiwan Dept. of Electrical Engineering and Inst. of Computer & Communication Engineering National Cheng Kung University Tainan Taiwan

ISBN: (纸本)9781467302180

We present a tile-based GPU design which is modeled in a full system simulation platform. The full system simulation platform includes a functional Linux-based system on which the GPU is incorporated for design explorations. To accurately estimate the execution time of the application graphics software, an execution time synchronization mechanism for the virtual platform is developed. We extend the Ericsson Texture Compression (ETC) scheme in our GPU to support alpha compression. In this way, we are able to reduce the external memory accesses to about one sixth, and speed up the rasterization engine (RE) by 35%. We also optimize the hardware-and-software data flow through the full system design platform and obtain significant improvements.

关键词： Graphics processing unit Tiles Rendering (computer graphics) Hardware Optimization Benchmark testing Throughput

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Wireless myths, realities, and futures: From 3G/4G to optical and quantum wireless

Wireless myths, realities, and futures: From 3G/4G to optica...

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作者： Hanzo, Lajos Haas, Harald Imre, Sndor O'Brien, Dominic Rupp, Markus Gyongyosi, Laszlo School of Electronics and Computer Science University of Southampton Southampton SO17 1BJ United Kingdom University of Edinburgh Edinburgh EH9 3JL United Kingdom Telecommunications Dept. Budapest University of Technology and Economics Budapest 1521 Hungary Department of Engineering Science University of Oxford Oxford OX1 3PJ United Kingdom Technische Universitt Wien Institute of Telecommunications Wien A-1040 Austria Faculty of Electrical Engineering and Informatics Department of Telecommunications Budapest University of Technology and Economics Budapest 1521 Hungary

The Myth: Sixty years of research following Shannon's pioneering paper has led to telecommunications solutions operating arbitrarily close to the channel capacityflawless telepresence with zero error is available ... 详细信息

关键词： Quantum communication

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Ethologically Inspired Human-Robot Communication for Monitoring Support System in Intelligent Space

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IFAC Proceedings Volumes 2012年第22期45卷 58-63页

作者： Takuya Ichikawa Wataru Beppu Szilveszter Kovács Peter Korondi Hideki Hashimoto Mihoko Niitsuma Dept. of Precision Mechanics Chuo University Tokyo Japan Department of Automation University of Miskolc Miskolc Hungary Computer and Automation Research Institute of the Hungarian Academy of Sciences Dept. of Mechatronics Optics and Applied Informatics Budapest University of Technology and Economics Budapest Hungary Dept. of Electrical electronic and communication engineering Chuo University Tokyo Japan

This paper presents human-robot communication for a monitoring support system in an Intelligent Space. An Intelligent Space (iSpace) is a space in which many intelligent devices are installed to observe the user's environment. In this paper, we apply the iSpace observation function to a monitoring system used for maintaining the safety of elderly persons receiving home-care support. In addition, we use a mobile robot as a tool to deliver monitoring results to care assistants. We focus on an ethological approach for designing robot behaviors for human-robot communication. The implementation of these robot behaviors based on an ethological approach, and the results of an experiment conducted to evaluate these behaviors, are then presented.

关键词： human-robot communication Intelligent Space ethology

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