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International Conference on electronics Packaging

作者： Yoshiyuki Arai Yoshinori Miyamoto Masatsugu Nimura Hajime Tomokage Research and Development Div. Toray Engineering Co.Ltd. Department of Electronics Engineering and Computer Science Fukuoka University

ISBN: (纸本)9781479933679

The ultrasonic vibration energy for Cu-Cu bonding by flip-chip bonding technology was evaluated in ambient air. Transmissibility of ultrasonic vibration is assumed to be different in bump structure with height or low stiffness. Therefore, we investigated the bonding strength of Cu bump with the different aspect ratio (bump height: 5 μm, 20 μm, and 40 μm). As a result, the Cu bumps with 20 μm height were properly bonded with sufficient bonding strength, compared with the others. In addition, there were no significant voids at Cu-Cu interface of well-bonded Cu bump.

关键词： Cu bump Cu-Cu bonding Low temperature bonding Ultrasonic vibration Flip-chip bonding

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Bosf: By-owner script filtering 3

Bosf: By-owner script filtering

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3rd International Conference on Digital Information Processing and Communications, ICDIPC 2013

作者： Kim, Jungtae Han, Kyoung-Soo Jiang, Biao Im, Eul Gyu Dept. of Electronics and Computer Engineering Hanyang University Seoul Korea Republic of Div. of Computer Science and Engineering Hanyang University Seoul Korea Republic of

Cross-Site Scripting (XSS) attacks are one of the most prevalent security threats all over the world. Although various defense methods have been proposed, most of them lack usability. Motivated by this reason, we present a location-based solution, called By-Owner Script Filtering (BOSF), which determines whether a script on a webpage can be executed or not using either the rules defined in the webpage or the information fetched from our database based on the ownership. BOSF is effective against various XSS attacks with minimal performance overheads, and more importantly, it places little requirements on developers and users. © 2013 SDIWC.

关键词： Websites

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How to violate android's permission system without violating it 3

How to violate android's permission system without violating...

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3rd International Conference on Digital Information Processing and Communications, ICDIPC 2013

作者： Han, Kyoung Soo Lee, Yeoreum Jiang, Biao Im, Eul Gyu Dept. of Electronics and Computer Engineering Hanyang University Seoul Korea Republic of Div. of Computer Science and Engineering Hanyang University Seoul Korea Republic of

Android uses permissions for application security management. Android also allows inter-application communication (IAC) which enables cooperation between different applications to perform complex tasks and is a major feature that differentiates Android from its competitors. However, IAC also facilitates malicious applications to collude in an attack of privilege escalation. In this paper, we demonstrate by case studies that all IAC channels can be potentially utilized for privilege escalation attacks, and propose refinement to solve this problem by taking IAC as permissions and exposing IAC to users. © 2013 SDIWC.

关键词： Android (operating system)

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Design of a self-tuning PID controller for multivariable coupled processes using a discrete inversed decoupler

IEEJ Transactions on Electronics, Information and Systems

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IEEJ Transactions on electronics, Information and systems 2014年第9期134卷 1235-1240页

作者： Tsubata, Hajime Wakitani, Shin Nakamoto, Masayoshi Yamamoto, Toru Dept.of System Cybernetics Graduate School of Engineering Hiroshima University 1-4-1 Kagamiyama Higashi-Hiroshima739-8527 Japan Department of Electrical and Electronics Engineering Tokyo University of Agriculture and Technology 2-24-16 Nakacho Koganei-shi Tokyo184-8588 Japan Div. of Electrical Systems and Mathematical Engineering Hiroshima University 1-4-1 Kagamiyama Higashi-Hiroshima739-8527 Japan

In many industrial systems, the multivariable system which has mutual interference has to be dealt with. Therefore, decoupling the multivariable system is an important issue to construct a control system. Although various decoupling methods are proposed from the former, the present condition is that industrial application is not carried out positively. In such a background, the decoupling method in which an inverted decoupler was used, attracts attention due to the handling being easy as compared to the conventional method in recent years. That design approach has a desirable design for the continuous-time system. However, from a practical viewpoint, the design approach in a discrete-time system is desirable. In this paper, an inverted decoupler in a discrete-time system is constructed, and the design method of the multi-loop PID controller to the decoupling system is considered. Specifically, self-tuning control is constructed, whose decoupler and controller are simultaneously adjusted in an on-line manner. The effectiveness of this proposed method is shown by a numerical simulation. © 2014 The Institute of Electrical Engineers of Japan.

关键词： Three term control systems

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A classifier algorithm exploiting user's environmental context and bio-signal for U-home services

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8th International Conference on Grid and Pervasive Computing, GPC 2013

作者： Lee, HyunJu Shin, DongIl Shin, Dongkyoo Kim, SooHan Department of Computer Engineering Sejong University Seoul Korea Republic of Visual Display Div. R and D Team SAMSUNG Electronics Co. HQ Suwon Korea Republic of

ISBN: (纸本)9783642380266

U-Home is a home-service through an interaction between human and object. Smart-home-middle-wear provides its users with services needed through interactions between users and home equipment. In this study, users' conditions in four rooms with Smart-home-middle-wear using had been sent through EG sensor device and they were then classified by emotion-perceiving-agent-system adapting an algorithm. The emotions, which were experimented, had been div.ded into eight categories;Normal, Happy, Surprise, Fear, Neural, Joy, Stress(Yes) and Stress(No). In this study's experiments, modified Decision Tree algorithm was adapted and it extracted over 90% of results totally. © 2013 Springer-Verlag.

关键词： Decision trees

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Malware classification method via binary content comparison 12

Malware classification method via binary content comparison

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2012 ACM Research in Applied Computation Symposium, RACS 2012

作者： Kang, Boojoong Kim, Taekeun Kwon, Heejun Choi, Yangseo Im, Eul Gyu Dept. of Electronics and Computer Engineering Hanyang University Seoul Korea Republic of Cyber Convergence Security Research Division ETRI Daejeon Korea Republic of Div. of Computer Science and Engineering Hanyang University Seoul Korea Republic of

ISBN: (纸本)9781450314923

With the wide spread uses of the Internet, the number of Internet attacks keeps increasing, and malware is the main cause of most Internet attacks. Malware is used by attackers to infect normal users' computers and to acquire private information as well as to attack other machines. The number of new malware and variants of malware is increasing every year because the automated tools allow attackers to generate the new malware or their variants easily. Therefore, performance improvement of the malware analysis is critical to prevent malware from spreading rapidly and to mitigate damages to users. In this paper, we proposed a new malware classification method by analyzing similarities of malware. Our method analyzes a small part of malware to reduce analysis overheads, and experimental results showed that our approach can effectively classify malware families. Copyright 2012 ACM.

关键词： Malware

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Genetic regulatory network identification using monotone functions decomposition

Genetic regulatory network identification using monotone fun...

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作者： Julius, A. Agung Belta, Calin Dept. Electrical Computer and Systems Engineering Rensselaer Polytechnic Institute Troy NY United States Dept. Mechanical Engineering Div. Systems Engineering Boston University Boston MA United States

ISBN: (纸本)9783902661937

We present a method for identification of gene regulatory network topology using a time series of gene expression data. The underlying assumption in our method is that the functions that describe regulatory relations must be continuous, nonnegative and monotonic. This assumption is very general, as it is satisfied by virtually all existing regulatory models. Our method is based on refuting all regulation hypotheses that cannot meet this assumption. This procedure takes the form of a Linear Programming (LP) feasibility problem. We also present two conditions where the regulation hypotheses are irrefutable. © 2011 IFAC.

关键词： Linear programming

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Detecting the vulnerability of software with cyclic behavior using Sulley

Detecting the vulnerability of software with cyclic behavior...

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7th International Conference on Information Processing and Management, ICIPM 2011

作者： Lee, Hye-Ryun Shin, Seung-Hun Choi, Kyung-Hee Chung, Ki-Hyun Park, Seung-Kyu Choi, Jun-Yong Dept. of Computer Engineering Ajou University Korea Republic of Div. of Information and Computer Engineering Ajou University Korea Republic of Dept. of Electronics Engineering Ajou University Korea Republic of RandD Department National Security Research Institute Cyber Technology Korea Republic of

ISBN: (纸本)9788988678442

Sulley, one of fuzzing tools can describe Software Under Test (SUT) more easily than other tools and provides with the libraries which can create the variety of test cases. But it has a weak point of difficulty to verify the vulnerability at the actual software because it doesn't consider the process of the cycle between nodes. This paper carries out the research to resolve such problem so that it enables for Sulley to fuzz software with cycle. The basic structure and algorithm of Sulley are extended to adopt the requirement. We modify the structure of software excluding the cycle of software using the unfolding technique, which is widely used for the process of the loop structure in software field. The cycle structure is unfolded hiring the concept of boundary-interior path coverage. To evaluate the suggested method, fuzzing test is performed against the FTP service modeled by Sulley. The feasibility of the suggested method is proved by finding errors of the FTP service with cyclic behavior, which is being used widely. © 2011 AICIT.

关键词： Software testing

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All-fiber common-path Fourier-domain optical coherence tomography moving 2-axis based on active surface tracking algorithm

All-fiber common-path Fourier-domain optical coherence tomog...

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2011 3rd International Conference on Awareness Science and Technology, iCAST 2011

作者： Song, C.G. Kim, K.S. Kim, M.H. Ryu, S.H. Seo, J.H. Kang, J.U. Div. of Electronics Eng. Chonbuk Natl. Univ. Korea Republic of Dept. of Rehabilitation Med. Chonbuk Natl. Univ. Hospital Korea Republic of Dept. of Electrical and Computer Engineering Johns Hopkins Univ. United States

ISBN: (纸本)9781457708879

Conventional optical coherence tomography (OCT) systems generally have a limited imaging range within a depth of only 1-2 mm and suffers from unwanted noise such as speckle, ghost or mirror noise. To overcome these limitations, we developed a motorized-stage-based OCT system with an extended imaging range, using a common-path Fourier-domain optical coherence tomography (CP-FD-OCT) configuration. Using this OCT systems, OCT image was obtained from an onion, and their subsurface structure were observed. The result showed that the OCT images obtained using our motorized-stage-based system had a significantly extended imaging range due to its real-time accurate depth tracking. Consequently, the devised CP-FD-OCT systems and algorithms have good potential for the further development of endoscopic OCT for microsurgery. © 2011 IEEE.

关键词： Optical tomography

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Design and implementation of smart driving system using context recognition system

Design and implementation of smart driving system using cont...

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IEEE Symposium on computers and Informatics

作者： Shin, Dongil Kim, Taehyun Kim, Soohan Shin, Dongkyoo Department of Computer Engineering Sejong University Korea 98 Kunja-Dong Kwanjin-Gu 143-747 Seoul Korea Republic of Div. Internet Infra Planning Team Samsung Electronics CO. LTD NW 416 Metan-3 dong Yeongtong-gu Suwon-city Korea Republic of

ISBN: (纸本)9781612846903

In this paper, we develop a context recognition system that is based on multimodal biometric signals and applicable to smart driving system. The context recognition system includes a biometric analysis module that analyzes and recognizes human biometric signal patterns. The context recognition system can recognize a user's emotion and level of concentration by analyzing ECG (electrocardiogram) and EEG (electroencephalogram) patterns. To predict the concentration and stress status of the user, the electroencephalogram rendering system utilizes 5 signal values: MID-BETA, THETA, ALPHA, DELTA, and GAMMA. Also, electrocardiogram analysis system utilizes 5 basic signal values: P, Q, R, S, T wave. To recognize the user's electrocardiogram signal patterns, a deformation K-means-based EM algorithm was applied. © 2011 IEEE.

关键词： Electroencephalography

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