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IEEE Conference on Vehicular Technology (VTC)

作者： Byung-Chul Kim I-Tai Lu System Architecture Design Lab TN Business Samsung Electronics Company Limited Suwon Gyeonggi South Korea Department of Electrical and Computer Engineering Polytechnic University Melville NY USA

A novel time-frequency processing scheme is developed to exploit Doppler diversity of time varying multipath channel for OFDM mobile communication systems. Extensive simulations show that the proposed time-frequency M... 详细信息

ISBN: (纸本)0780377575

关键词： OFDM Wireless communication Mobile communication Time frequency analysis Fading Frequency diversity Finite impulse response filter Statistics Bit error rate Signal generators

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Hierarchically characterizing CUDA program behavior

Hierarchically characterizing CUDA program behavior

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IEEE International Workshop/Symposium on Workload Characterization

作者： Zhibin Yu Hai Jin Nilanjan Goswami Tao Li Lizy K. John Service Computing Technologies and System Lab/Cluster and Grid Computing Lab Huazhong University of Science and Technology Wuhan China Intelligent Design of Efficient Architecture Lab University of Florida Gainesville FL USA Department of Electrical and Computer Engineering University of Texas Austin Austin TX USA

CUDA has become a very popular programming paradigm in parallel computing area. However, very little work has been done for characterizing CUDA kernels. In this work, we measure the thread level performance, collect the basic block level characteristics, and glean the instruction level properties for about 35 programs from CUDA SDK, Parboil, and Rodinia benchmark suites. In addition, we define basic block vectors, synchronization vectors and thread similarity matrix to capture the characteristics of CUDA programs efficiently. We find that CUDA programs have some unique characteristics at each level compared to sequential programs.

关键词： Graphics processing unit Vectors Kernel Instruction sets Programming USA Councils Educational institutions

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Temperature-aware software-based self-testing for delay faults 15

Temperature-aware software-based self-testing for delay faul...

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design, Automation and Test in Europe Conference and Exhibition

作者： Ying Zhang Zebo Peng Jianhui Jiang Huawei Li Masamro Fujita School of Software Engineering Tongji University China Embedded Systems Lab Linköping University Sweden State Key Laboratory of Computer Architecture Chinese Academy of Sciences China VLSI Design and Education Center University of Tokyo Japan

ISBN: (纸本)9783981537048

Delay defects under high temperature have been one of the most critical factors to affect the reliability of computer systems, and the current test methods don't address this problem properly. In this paper, a temperature-aware software-based self-testing (SBST) technique is proposed to self-heat the processors within a high temperature range and effectively test delay faults under high temperature. First, it automatically generates high-quality test programs through automatic test instruction generation (ATIG), and avoids over-testing caused by nonfunctional patterns. Second, it exploits two effective powerintensive program transformations to self-heat up the processors internally. Third, it applies a greedy algorithm to search the optimized schedule of the test templates in order to generate the test program while making sure that the temperature of the processor under test is within the specified range. Experimental results show that the generated program is successful to guarantee delay test within the given temperature range, and achieves high test performance with functional patterns.

关键词： Delays Program processors Temperature distribution Power dissipation Circuit faults Schedules

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A report on the first international workshop on research methods in animal-computer interaction

A report on the first international workshop on research met...

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2017 ACM SIGCHI Conference on Human Factors in Computing Systems, CHI EA 2017

作者： Zamansky, Anna Roshier, Amanda Mancini, Clara Collins, Emily C. Hall, Carol Grillaert, Katie Morrison, Ann North, Steve Wirman, Hanna Information Systems Department University of Haifa Israel School of Veterinary Medicine and Science University of Nottingham United Kingdom Animal-Computer Interaction Lab Open University Milton Keynes United Kingdom Sheffield Robotics University of Sheffield United Kingdom School of Animal Rural and Environmental Sciences Nottingham Trent University United Kingdom Messerli Research Institute University of Veterinary Medicine Medical University of Vienna University of Vienna Austria Department of Architecture Design and Media Technology Aalborg University Denmark Mixed Reality Laboratory University of Nottingham United Kingdom School of Design Hong Kong Polytechnic University Hong Kong

ISBN: (纸本)9781450346566

Animal-computer Interaction (ACI) is a new and quickly developing discipline, which is closely related to HCI and is making reference to some of its theoretical frameworks and research methodologies. The first edition of the Workshop on Research Methods in ACI (RM4ACI) was co-located with the Third International Conference on Animal-computer Interaction, which took place in Milton-Keynes, UK in November 2016. This paper presents an overview of the workshop, including insights from discussions on some of the challenges faced by the ACI community as it works to develop ACI as a discipline, and on important opportunities for cross-fertilization between HCI and ACI that the HCI community could consider. Copyright © 2017 by the Association for Computing Machinery, Inc. (ACM).

关键词： Animals

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A reconfigurable routing method for fault-tolerant mesh-based network on chip

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Journal of Information and Computational Science 2013年第1期10卷 157-165页

作者： Liu, Yanhua Ruan, Ying Lai, Zongsheng Sun, Ling Institute of Microelectronics Circuit and System East China Normal University Shanghai 200241 China Jiangsu Provincial Key Lab. of ASIC Design Nantong University Nantong 226019 China State Key Laboratory of Computer Architecture Institute of Computing Technology Chinese Academy of Sciences Beijing 100190 China

As the semiconductor industry advances to nano-technology points, Network on Chip (NoC) components are becoming vulnerable to errors during the system operation. Consequently, fault-tolerant techniques for NoC are needed to achieve high reliability. In this paper, we present a fault-tolerant routing method to tolerate faulty routers in a two-dimension (2D) mesh-based NoC. With this method, the system can have a multi-router fault-tolerant capability and the routing path can be dynamically reconfigured to support different situations caused by faulty routers in NoC. Fault-tolerance capability and system performance of the proposed method are evaluated through analysis and simulations. Theoretical analysis and simulation results show that the proposed method can enhance the reliability of system and offer considerable fault-tolerance capability. © 2013 by Binary Information Press.

关键词： Network-on-chip

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Feasibility analysis for a novel dew point air cooler applied in warm and humid climate: a case study in Beijing

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Energy Procedia 2019年 158卷 2126-2131页

作者： Peng Xu Xiaoli Ma Xudong Zhao Yaxuan Xiong Yanbing Sun Beijing Key Lab of Heating Gas Supply Ventilating and Air Conditioning Engineering Beijing University of Civil Engineering and Architecture Beijing China 100044 School of Engineering and Computer Science University of Hull UK HU6 7RX Zibo Architectural Design and Research Institute Zibo Shandong China 255037

The air humidity and temperature greatly impact the water evaporation efficiency. It is commonly doubted whether the evaporative cooling technology is suitable for the humid climate as well as the public’s care about the water consumption for cooling. This paper provids a feasibility study for the use of a DPC (dew point air cooler) in Beijing, a representative city in warm and humid climate. The overall analyses include an hourly cooling performance analysis in a typical cooling day, annual energy performance prediction and economic analysis based on an experimentally validated simulation tool. With detailed analyses of the real weather data all year round, it is found the outdoor air must be dehumidified to meet the humidity requirement in most of the cooling hours for any air conditioning means. Thus, the superiority of evaporative cooling would be prominent comparing to the conventional mechanical cooling. The water consumption is little especially considering the fact that the conventional power generation consumes large quantity of water and the DPC saves large sales of power. The results proved the feasibility for the DPC applied in Beijing. The success in application of the proposed DPC in the warm and humid region promises more opportunities of the dew point cooling technology.

关键词： dew point air cooler evaporative cooling warm humid cooling perfomance economic analysis

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Towards advanced interfaces for citizen curation

Towards advanced interfaces for citizen curation

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2020 AVI2CH Workshop on Advanced Visual Interfaces and Interactions in Cultural Heritage, AVI2CH 2020

作者： Bruni, Luis Emilio Diaz, Lily Gangemi, Aldo Daga, Enrico Kuflik, Tsvi Mulholland, Paul Pescarin, Sofia Damiano, Rossana Lieto, Antonio Peroni, Silivio Wecker, Alan Department of Architecture Design and Media Technology Alborg University Denmark Department of Media Media lab Aalto University Aalto Finland DHARC - Department of Classical Philology and Italian Studies University of Bologna ISTC-CNR Rome Italy Knowledge Media Institute Open University Milton Keynes United Kingdom Information Systems University of Haifa Haifa Israel CNR ISPC Rome Italy Computer Science and CIRMA University of Turin Turin Italy DHARC - Department of Classical Philology and Italian Studies University of Bologna Rome Italy

The SPICE project builds on the growing trend for museums, rather than providing an authoritative view, to present multiple voices related to their collection and exhibitions. In SPICE, an approach we term citizen curation is proposed as a way of supporting visitors to share their own interpretations of museum objects and reflect on the variety of interpretations contributed by others. In order to capture a wide range of voices, interfaces will be designed specifically to engage minority groups that tend to be under-represented in cultural activities. To achieve this goal, the interface will need to be intuitive, aesthetic and accessible for different audiences. The paper presents the challenges we face and initial proposals for engaging visitors in citizen curation. © Copyright 2020 for this paper by its authors. Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0).

关键词： Museums

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In search of theoretical foundations for UX research and practice

In search of theoretical foundations for UX research and pra...

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30th ACM Conference on Human Factors in Computing Systems, CHI 2012

作者： Obrist, Marianna Roto, Virpi Vermeeren, Arnold Väänänen-Vainio-Mattila, Kaisa Law, Effie Lai-Chong Kuutti, Kari Culture Lab School of Computing Science Newcastle University Newcastle upon TyneNE1 7RU United Kingdom Aalto University School of Art Design and Architecture P.O.Box 31000 Aalto00076 Finland Delft University of Technology Fac. of Ind. Design Engineering Landbergstraat 15 NL CE Delft2628 Netherlands Tampere University of Technology Unit of Human-Centered Tech P.O.Box 589 TampereFI-33101 Finland University of Leicester Department of Computer Science LeicesterLE1 7RH United Kingdom University of Oulu Department of Information Processing Science Oulu90014 Finland

In this paper we point out the relevance of and the need for a theoretical discussion around UX research and practice. Although there is a good coverage of methodological and design related topics in the HCI literature, there is still a lack of theoretical focus in the rapidly increasing work on user experience (UX). We analyzed 122 individual items on theories collected in a CHI'11 special interest group session on UX theories and theoretical frameworks. The data set was filtered and categorized in several iterations, resulting in 56 items distributed over 7 major theory categories and related to 9 relevant disciplines. The categories are an initial mapping of the field and point towards the directions for further conceptual and theoretical clarification. Our results help to explore the multi-disciplinary nature of UX and to build a more solid foundation for UX research and practice. © 2012 Authors.

关键词： Group theory

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Soma-based design theory

Soma-based design theory

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2017 ACM SIGCHI Conference on Human Factors in Computing Systems, CHI EA 2017

作者： Höök, Kristina Hummels, Caroline Isbister, Katherine Marti, Patrizia Segura, Elena Márquez Jonsson, Martin Mueller, Florian Sanches, Pedro A. N. Schiphorst, Thecla Ståhl, Anna Svanaes, Dag Trotto, Ambra Petersen, Marianne Graves Lim, Youn-Kyung Mobile Life at MID KTH Stockholm100 44 Sweden Dept of Industrial Design Eindhoven Univ Netherlands Comp Media UC Santa Cruz Santa CruzCA United States University of Siena Eindhoven University Via Roma 56 Siena53100 Italy Communcation Media and IT Södertörn University Sweden Exertion Games Lab RMIT University Melbourne Australia MID KTH Stockholm100 44 Sweden Simon-Frasier University VancouverBC Canada Mobile Life at SICS Kista164 29 Sweden Norwegian Univ. of Sci. And Tech Trondheim Norway Umeå School of Architecture and Interactive Institute Swedish ICT Umeå Sweden Dept. Computer Science Århus University Copenhagen Denmark Dept of Industrial Design KAIST Daejeon Korea Republic of

ISBN: (纸本)9781450346566

Movement-based interaction design is increasingly popular, with application domains ranging from dance, sport, gaming to physical rehabilitation. In a workshop at CHI 2016, a set of prominent artists, game designers, and interaction designers embarked on a research journey to explore what we came to refer to as "aesthetics in soma-based design". In this follow-up workshop, we would like to take the next step, shifting from discussing the philosophical underpinnings we draw upon to explain and substantiate our practice, to form our own interaction design theory and conceptualisations. We propose that soma-based design theory needs practical, pragmatic as well as analytical study - otherwise the felt dimension will be missing. We will consider how such tacit knowledge can be articulated, documented and shared. To ground the discussion firmly in the felt experience of our own practice, the workshop is organised as a joint practical design work session, supported by analytical study. Copyright © 2017 by the Association for Computing Machinery, Inc. (ACM).

关键词： Felt

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Effective fusion of deep multitasking representations for robust visual tracking

arXiv

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arXiv 2020年

作者： Marvasti-Zadeh, Seyed Mojtaba Ghanei-Yakhdan, Hossein Kasaei, Shohreh Nasrollahi, Kamal Moeslund, Thomas B. Department of Electrical Engineering Yazd University Yazd Iran Sharif University of Technology Tehran Iran Vision and Learning Lab. University of Alberta Edmonton Canada Department of Electrical Engineering Yazd University Yazd Iran Department of Computer Engineering Sharif University of Technology Tehran Iran Department of Architecture Design and Media Technology Aalborg University Aalborg Denmark

Visual object tracking remains an active research field in computer vision due to persisting challenges with various problem-specific factors in real-world scenes. Many existing tracking methods based on discriminative correlation filters (DCFs) employ feature extraction networks (FENs) to model the target appearance during the learning process. However, using deep feature maps extracted from FENs based on different residual neural networks (ResNets) has not previously been investigated. This paper aims to evaluate the performance of twelve state-of-the-art ResNet-based FENs in a DCF-based framework to determine the best for visual tracking purposes. First, it ranks their best feature maps and explores the generalized adoption of the best ResNet-based FEN into another DCF-based method. Then, the proposed method extracts deep semantic information from a fully convolutional FEN and fuses it with the best ResNet-based feature maps to strengthen the target representation in the learning process of continuous convolution filters. Finally, it introduces a new and efficient semantic weighting method (using semantic segmentation feature maps on each video frame) to reduce the drift problem. Extensive experimental results on the well-known OTB-2013, OTB-2015, TC-128, and VOT-2018 visual tracking datasets demonstrate that the proposed method effectively outperforms state-of-the-art methods in terms of precision and robustness of visual tracking. Copyright © 2020, The Authors. All rights reserved.

关键词： Deep neural networks

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