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Proceedings - Third International Conference on Image and Graphics

作者： Huo, Longshe Gao, Wen Huang, Qingming Cai, Ying Institute of Computing Technology Chinese Academy of Sciences Beijing 100080 China Graduate School Chinese Academy of Sciences Beijing 100039 China Department of Computer Science Iowa State University Ames IA 50010 United States

ISBN: (纸本)0769522440

We consider applying the FEC-based multiple description coding method for multicasting a source to a set of clients with heterogeneous access bandwidths. In the scenario where different clients access the server via separate links, we propose a procedure which refines the already computed optimal solutions for other bandwidths, using different packet lengths. Compared to the scheme that computes an optimal solution individually for each bandwidth, this procedure is quite faster and has comparable performance. In another scenario where many clients share a bottleneck link, we extend our embedded packetization framework to be available in more than two bandwidths, and propose a fast heuristic algorithm which can achieve very good performance tradeoff among all clients. © 2004 IEEE.

关键词： Bandwidth

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Quality smoothing for FEC-based multiple description coding

Quality smoothing for FEC-based multiple description coding

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Picture Coding Symposium 2004

作者： Huo, Longshe Gao, Wen Cai, Ying Huang, Qingming Institute of Computing Technology Chinese Academy of Sciences Beijing 100080 China Graduate School Chinese Academy of Sciences Beijing 100039 China Department of Computer Science Iowa State University Ames IA 50010 United States

When sending a scalable video sequence over packet loss channels, one usually partitions it into groups of frames (GOFs), and protects each GOF using the FEC based multiple description coding (FEC-MDC) method. In this paper, we consider the inter-GOF bit allocation problem which attempts to smooth the expected qualities of all GOFs of a sequence, and proposed three algorithms. Analytical results show that all these algorithms can achieve very good constant expected quality among all GOFs, however with different computing speeds. The fastest one is very efficient and can be used in real time applications.

关键词： Image coding

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Artificial Neural Network Model for Steel Strip Tandem Cold Mill Power Prediction 3rd

Artificial Neural Network Model for Steel Strip Tandem Cold ...

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3rd International Conference on Applied Informatics, ICAI 2020

作者： de Oliveira, Danilo G. da Silva, Eliton M. Miranda, Fabiano J. F. Filho, José F. S. Parpinelli, Rafael S. Graduate Program in Applied Computing Santa Catarina State University – UDESC Joinville Brazil Department of Computer Science Santa Catarina State University – UDESC Joinville Brazil ArcelorMittal – Global Research and Development Group São Francisco do Sul Brazil

ISBN: (纸本)9783030617011

In the cold rolling of flat steel strips, electric energy consumption is one of the highest expenses. Predicting the power requirements according to the line and product conditions can significantly impact the energy cost and, thus, on the business’s profitability. This paper proposes predicting the power requirements of a tandem cold rolling mill of steel strips on a coil-to-coil base applying Artificial Neural Networks (ANN) as a uni-variate regression problem. The tests yielded an MSE of 300.39 kW or 2.4% and are better than the acceptable 5% error margin for this project, indicating that the ANN presented satisfactory results. The application of six full-month worth of data in the trained ANN model showed the excellent correlation of the ANN predictions with the measured data, leading to the conclusion that the system is ready for the deployment for daily use for line engineers. Overall, the results obtained show that the steel industry can highly benefit from Industry 4.0 and Artificial Intelligence technologies. © 2020, Springer Nature Switzerland AG.

关键词： Automotive industry

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Shape-Based Adult Image Detection

Shape-Based Adult Image Detection

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作者： Zheng, Qing-Fang Zeng, W.E.I. Wang, Wei-Qiang Gao, W.E.N. Institute of Computing Technology Chinese Academy of Sciences No. 6 Kexueyuan South Road Zhongguancun Beijing100080 China Department of Computer Science and Technology Harbin Institute of Technology 150001 China Graduate School of Chinese Academy of Sciences Beijing100080 China

This paper investigates adult images detection based on the shape features of skin regions. In order to accurately detect skin regions, we propose a skin detection method using multi-Bayes classifiers in the paper. Based on skin color detection results, shape features are extracted and fed into a boosted classifier to decide whether or not the skin regions represent a nude. We evaluate adult image detection performance using different boosted classifiers and different shape descriptors. Experimental results show that classification using boosted C4.5 classifier and combination of different shape descriptors outperforms other classification schemes. © 2006 World Scientific Publishing Company.

关键词： Adaptive boosting

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Experimental analysis of coordination strategies to support wireless sensor networks composed by static ground sensors and UAV-carried sensors

Experimental analysis of coordination strategies to support ...

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IEEE International Symposium on Parallel and Distributed Processing With Applications

作者： De Freitas, Edison Pignaton Heimfarth, Tales Pereira, Carlos Eduardo Ferreira, Armando Morado Wagner, Flávio Rech Larsson, Tony School of Information Science Computer and Electrical Engineering Halmstad University Halmstad Sweden Institute of Informatics Federal University of Rio Grande do Sul Porto Alegre Brazil Computer Science Department Federal University of Lavras Lavras Brazil Defense Engineering Graduate Program Military Institute of Engineering Rio de Janeiro Brazil

ISBN: (纸本)9780769541907

This paper presents a comparison among different strategies to coordinate the use of heterogeneous wireless sensors aimed for area surveillance. The heterogeneity among the sensor nodes is related to their sensing and mobility capabilities. The goal of the strategies is to provide coordination among the different nodes, in order to make the wireless sensor network perform its missions with higher efficiency. Strategies combine advantages of bio-inspired and utility-based approaches to coordination. Simulations of scenarios with different characteristics were performed and the results are compared and analyzed. © 2010 IEEE.

关键词： Sensor nodes

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Remote internetworking laboratory

Remote internetworking laboratory

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113th Annual ASEE Conference and Exposition, 2006

作者： Jabbour, Imad Haydamous, Linda Kazan, Wissam Hayek, Amine Massachusetts Institute of Technology United States Information Technology Program MIT United States MIT's Center for Educational Computing Initiatives IEEE New Jersey Institute of Technology United States Engineering Management Program New Jersey Institute of Technology United States Operations Research Stanford University United States Computer Science Program Stanford University United States

Remote experimentation is the process of conducting real lab experiments without being physically in contact with lab devices. Recently, the development of Internet technologies fostered the spread of online laboratories, and significant benefits helped establish remote experimentation as a potential substitute to real experimentation. Internetworking lab experiments usually involve very expensive hardware;and providing remote access to this type of laboratories is highly desired, especially when a large number of students must share a limited set of devices. Very few remote internetworking laboratories have previously been implemented, and they had several drawbacks. In this paper, we discuss our design of a Remote Internetworking Laboratory which provided access to the internetworking lab at the American University of Beirut (AUB). The uniqueness of our approach is that it uses VLANs (Virtual LANs) to build network topologies, a technique that separates network subnets into different broadcast domains before allowing users to configure each lab device. The proposed scheme overcomes the limitations of other designs, and allows users to build any desired network topology and configure the lab devices in real-time. Many technical and educational features were integrated into the system, and possible enhancements were suggested based on several evaluation criteria. © American Society for Engineering Education, 2006.

关键词： Network architecture

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Analysis of Negative Capacitance MOSFETs Characteristic with Spacer

Analysis of Negative Capacitance MOSFETs Characteristic with...

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2020 International Symposium on VLSI Technology, Systems and Applications, VLSI-TSA 2020

作者： Lee, Yu-Chun Kola, Sekhar Reddy Chen, Chieh-Yang Chuang, Min-Hui Li, Yiming Parallel and Scientific Computing Laboratory Institute of Biomedical Engineering Institute of Communications Engineering Eecs International Graduate Program Department of Electrical and Computer Engineering Center for MmWave Smart Radar System and Technologies National Chiao Tung University 1001 Ta-Hsueh Rd Hsinchu300 Taiwan

ISBN: (纸本)9781728142326

In this work, our study comprises of design and investigation on negative capacitance (NC), metal-oxide-semiconductor (MOS) field effects transistors (MOSFETs) with spacer and source/drain (S/D) overlap engineering. The scope of the work is to boost the performance and high-energy efficiency of the studied NC-MOSFETs by using the ferro electric material (FE). The NC-MOSFETs with the spacer technology can achieve the admirable Ion/Ioff ratio and subthreshold swing (SS), compared with planar MOSFETs. It makes device scaling possible by eliminating the short channel effect (SCE). We further estimated the effect of FE thickness and spacer, which are another critical parameter of obtaining better electrical characteristics and reducing SS. © 2020 IEEE.

关键词： Capacitance

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The Impact of ICN/CCN Cache Decision Policies on Video and Audio Transmission QoE

The Impact of ICN/CCN Cache Decision Policies on Video and A...

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Australasian Telecommunication Networks and Applications Conference, ATNAC

作者： Keisuke Kobayashi Toshiro Nunome Computer Science Program Graduate School of Engineering Nagoya Institute of Technology Nagoya Japan

ISBN: (数字)9781665471039

ISBN: (纸本)9781665471046

This paper considers video and audio transmission in ICN (Information-Centric Networking) CCN (Content- Centric Networking), in which each intermediate node can cache content. LCE (Leave Copy Everywhere) has been known as a generic cache decision policy. However, because LCE caches at all the intermediate nodes, the cache of intermediate nodes can be duplicated. Therefore, various cache decision policies that eliminate redundancy have been proposed. In this paper, we evaluate the effect of the cache decision policies on QoE of video and audio transmission in ICN/CCN. We assess application-level QoS using a computer simulation with a tree network and QoE by means of subjective experiment.

关键词： computer simulation Redundancy Information-centric networking Quality of service Liquid crystal displays Communications technology Quality of experience

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Skin cancer detection based on deep learning and entropy to detect outlier samples

arXiv

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arXiv 2019年

作者： Pacheco, Andre G. C. Ali, Abder-Rahman Trappenberg, Thomas Graduate Program in Computer Science Federal University of Espírito Santo Faculty of Computer Science Dalhousie University Faculty of Natural Sciences Computing Science and Mathematics University of Stirling

We describe our methods to address both tasks of the ISIC 2019 challenge. The goal of this challenge is to provide the diagnostic for skin cancer using images and meta-data. There are nine classes in the dataset, nonetheless, one of them is an outlier and is not present on it. To tackle the challenge, we apply an ensemble of classifiers, which has 13 convolutional neural networks (CNN), we develop two approaches to handle the outlier class and we propose a straightforward method to use the meta-data along with the images. Throughout this report, we detail each methodology and parameters to make it easy to replicate our work. The results obtained are in accordance with the previous challenges and the approaches to detect the outlier class and to address the meta-data seem to be work properly. Copyright © 2019, The Authors. All rights reserved.

关键词： Dermatology

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Hybrid cluster routing: An efficient routing protocol for mobile Ad Hoc networks

Hybrid cluster routing: An efficient routing protocol for mo...

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2006 IEEE International Conference on Communications, ICC 2006

作者： Niu, Xiaoguang Tao, Zhihua Wu, Gongyi Huang, Changcheng Cui, Li Institute of Computing Technology Chinese Academy of Sciences Beijing 100080 China Department of Computer Science and Technology Nankai University Tianjin 300071 China Graduate University Chinese Academy of Sciences Beijing 100049 China Department of Systems and Computer Engineering Carleton University Ottawa Canada

ISBN: (纸本)1424403553

Routing is one of the fundamental but challenging issues in mobile ad hoc networks. During the past several years, a large number of routing protocols have been proposed, which can basically be categorized into three different groups including proactive/table-driven, reactive/on-demand, and hybrid. In this paper, we propose a novel hybrid routing protocol for large scale mobile ad hoc networks, namely HCR (Hybrid Cluster Routing). Here nodes are organized into a hierarchical structure of multi-hop clusters using a stable distributed clustering algorithm. Each cluster is composed of a clusterhead, several gateway nodes, and other ordinary nodes. The clusterhead is responsible for maintaining local membership and global topology information. In HCR, the acquisition of intra-cluster routing information operates in an on-demand fashion and the maintenance of inter-cluster routing information acts in a proactive way. Simulation results show that HCR conduces better scalability, robustness and adaptability to large scale mobile ad hoc networks compared with some well-known routing protocols, e.g. AODV, DSR, and CBRP. © 2006 IEEE.

关键词： Routing protocols

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