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Transactions of Japanese Society for Medical and Biological engineering 2012年第2期50卷 219-226页

作者： Jiang, Yinlai Yanagida, Hirotaka Takahashi, Tatsuhisa Wang, Shuoyu Department of Intelligent Mechanical Systems Engineering Kochi University of Technology Japan Department of Informatics Faculty of Engineering Yamagata University Japan Department of Mathematical Information Science Asahikawa Medical University Japan

To determine the organization of the neural system involved in the cognitive process for identifying fragmented letters through visual interpolation, we used near-infrared spectroscopy to examine whether the neural activation of distinct cerebral regions with different blood flows was evoked in 13 healthy young male subjects who were asked to identify complete and fragmented letters. Fragmented letters of the English alphabet (black, 72-point, MSP Gothic) were randomly displayed one by one on the screen of a personal computer in the same method as complete letters. Each of the letters was presented within a square (128 × 128 pixels) against a white background for 1200 ms. Fragmented letters were produced by randomly removing rectangular areas (6 × 12 pixels) that, overall, comprised 90% of the pixels from complete letters. The rectangles removed were randomly rotated. The rates of correct identification in reading letters were 61 ± 7% for fragmented letters and 100% for complete letters in all subjects, which were significantly different (P

关键词： Pixels

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An applicable evaluation of human machine interface for cooperative adaptive cruise control of trucks using a truck driving simulator system 20

An applicable evaluation of human machine interface for coop...

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20th intelligent Transport systems World Congress, ITS 2013

作者： Yamabe, Shigeyuki Zheng, Rencheng Ogitsu, Takeki Kato, Shin Aoki, Keiji Nakano, Kimihiko Suda, Yoshihiro Segawa, Masaya Institute of Industrial Science University of Tokyo 4-6-1 Komaba Mekuro-ku Tokyo153-8505 Japan New Industry Creation Hatchery Center Tohoku University 6-6-10 Aoba Aramaki Aoba-ku Sendai Miyagi980-8579 Japan Department of Mechanical Engineering Faculty of Science and Technology Tokyo University of Science 2641 Yamazaki Noda-shi Chiba278-8510 Japan Intelligent Systems Research Institute National Institute of Advanced Industrial Science and Technology 1-1-1 Umezono Tsukuba Ibaraki305-8568 Japan ITS Research Division Japan Automobile Research Institute 1-1-30 Shibadaimon Minato-ku Tokyo105-0012 Japan Research and Development Headquarters JTEKT Corporation 333 Toichi-cho Kashihara Nara634-8555 Japan

A cooperative adaptive cruise control (CACC) system enables shorter gaps and tighter control of gaps using vehicle-vehicle communication, and the CACC system has significant positive effects on traffic flow in highway system. The study is about an applicable evaluation of human machine interface (HMI) for CACC of trucks using a truck driving simulator (DS) system. A novel truck DS was constructed to reproduce truck dynamics and control by integrating a full-scale cabin of truck into a universal DS system. And a gap distance controller for longitudinal and lateral directions was designed to realize the CACC of trucks. A HMI system prepared for the actual-vehicle CACC driving was used for examine the driver's acceptance, which is mainly about whether the HMI help driver to realize safe and comfortable CACC driving when the HMI system real-time provides the advanced information service.

关键词： Trucks

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Quantum programming:From theories to implementations

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Chinese science Bulletin 2012年第16期57卷 1903-1909页

作者： YING MingSheng FENG Yuan DUAN RunYao LI YangJia YU NengKun Center for Quantum Computation and Intelligent Systems Faculty of Engineering and Information TechnologyUniversity of TechnologySydneyNSW 2007Australia State Key Laboratory of lntelligent Technology and Systems Tsinghua National Laboratory for Information Science and Technology Department of Computer Science and TechnologyTsinghua University Beijing 100084China

This paper surveys the new field of programming methodology and techniques for future quantum computers, including design of sequential and concurrent quantum programming languages, their semantics and implementations. Several verification methods for quantum programs and communication protocols are also reviewed. The potential applications of programming techniques and related formal methods in quantum engineering are pointed out.

关键词：量子计算机编程方法并行编程语言编程技术形式化方法通信协议验证方法子程序

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ℋ∞Model Reduction for Discrete-Time Markovian Jump systems with Deficient Mode Information

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Mathematical Problems in engineering 2013年第1期2013卷

作者： Yanling Wei Mao Wang Hamid Reza Karimi Nan Wang Jianbin Qiu Research Institute of Intelligent Control and Systems Harbin Institute of Technology Harbin 150001 *** Department of Engineering Faculty of Engineering and Science University of Agder 4898 Grimstad Norwayuia.no

This paper investigates the problem of ℋ ∞ model reduction for a class of discrete-time Markovian jump linear systems (MJLSs) with deficient mode information, which simultaneously involves the exactly known, partially unknown, and uncertain transition probabilities. By fully utilizing the properties of the transition probability matrices, together with the convexification of uncertain domains, a new ℋ ∞ performance analysis criterion for the underlying MJLSs is first derived, and then two approaches, namely, the convex linearisation approach and iterative approach, for the ℋ ∞ model reduction synthesis are proposed. Finally, a simulation example is provided to illustrate the effectiveness of the proposed design methods.

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ℋ∞Control for Two-Dimensional Markovian Jump systems with State-Delays and Defective Mode Information

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Mathematical Problems in engineering 2013年第1期2013卷

作者： Yanling Wei Mao Wang Hamid Reza Karimi Jianbin Qiu Research Institute of Intelligent Control and Systems Harbin Institute of Technology Harbin 150001 *** Department of Engineering Faculty of Engineering and Science University of Agder 4898 Grimstad Norwayuia.no

This paper investigates the problem of ℋ ∞ state-feedback control for a class of two-dimensional (2D) discrete-time Markovian jump linear time-delay systems with defective mode information. The mathematical model of the 2D system is established based on the well-known Fornasini-Marchesini local state-space model, and the defective mode information simultaneously consists of the exactly known, partially unknown, and uncertain transition probabilities. By carefully analyzing the features of the transition probability matrices, together with the convexification of uncertain domains, a new ℋ ∞ performance analysis criterion for the underlying system is firstly derived, and then the ℋ ∞ state-feedback controller synthesis is developed via a linearisation technique. It is shown that the controller gains can be constructed by solving a set of linear matrix inequalities. Finally, an illustrative example is provided to verify the effectiveness of the proposed design method.

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The derived kernel based recognition method of vehicle type

The derived kernel based recognition method of vehicle type

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8th International Conference on Active Media Technology, AMT 2012

作者： Zhang, Zhen Chao Tang, Yuan Yan Liu, Chang Song Ding, Xiao Qing Department of Computer and Information Science Faculty of Science and Technology University of Macau China Department of Electronic Engineering Tsinghua University State Key Laboratory of Intelligent Technology and Systems Beijing 100084 China

ISBN: (纸本)9783642352355

This paper applies the updated derived kernel algorithm into the vehicle type recognition, which is a heated research area based on the method of pattern recognition and digital image processing because of its significant usage on exit and entry administration, traffic and vehicle control and toll collection. The method of two- layer derived kernel on neural response is involved in extracting useful features from vehicle images, for the method itself has better capacity of decreasing the negative influences from different colors and vehicle speeds, background condition interference and blur noises. Some clustering algorithms are employed on the process of templates construction, and the first nearest neighbor algorithm on pattern classification. Since our method can get rid of the disturbances from similar parts of vehicle images and make the most of the features of representative parts, the vehicle type recognition accuracy reaches above 95% as high. © 2012 Springer-Verlag.

关键词： Clustering algorithms

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An audio watermarking method using sampled sound for polyphonic music

An audio watermarking method using sampled sound for polypho...

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2012 International Symposium on Communications and Information Technologies, ISCIT 2012

作者： Murata, Harumi Ogihara, Akio Iwata, Motoi Yoshioka, Michifumi Department of Computer Science and Intelligent Systems Graduate School of Engineering Osaka Prefecture University 1-1 Gakuen-cho Naka-ku Sakai Osaka 599-8531 Japan Department of Information and Systems Engineering Faculty of Engineering Kinki University Higashi-Hiroshima 739-2116 Japan

ISBN: (纸本)9781467311571

The objective of this work is to devise a new way to embed a watermark into digital audio signal. In conventional methods, it is required that the watermark is embedded without noise perception. However, it is difficult to embed the watermark without noise perception. Hence, we propose an embedding method so as to permit a perception of an embedded watermark signal. For watermarked audio signal, high sound quality is needed even if noises are perceived. Therefore, we estimate notes into music data and decide their timbre by musical instrument identification. Furthermore, for improving the sound quality, we embed one bit of watermark into one tone using the corresponding sampled sound for each tone. © 2012 IEEE.

关键词： Audio watermarking

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Reducing the calibration points of multisensors

Reducing the calibration points of multisensors

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9th International Multi-Conference on systems, Signals and Devices, SSD 2012

作者： Roshchupkin, Oleksiy Smid, Radislav Kochan, Volodymyr Sachenko, Anatoly Faculty of Computer Science Chernivtsi National University Chernivtsi Ukraine Faculty of Electrical Engineering Czech Technical University Prague Czech Republic Research Institute of Intelligent Computer Systems Ternopil National Economic University Ternopil Ukraine

ISBN: (纸本)9781467315906

Goal of this paper is to develop the method identification of multisensors characteristic curve using neural networks and minimize the number of calibration points required to find an appropriate characteristic curve for the input-to-output relationship of multisensors. A proposed original method illustrates how to improve the prediction accuracy of calibration results for multisensors despite the high level of random error. © 2012 IEEE.

关键词： Calibration

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Mental ontology model for medical diagnosis based on some intuitionistic fuzzy functions

Mental ontology model for medical diagnosis based on some in...

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2012 IEEE 10th Jubilee International Symposium on intelligent systems and Informatics, SISY 2012

作者： Fujita, Hamido Rudas, Imre J. Iwate Prefectuarl University Faculty of Software and Information Science Takizawa Iwate Japan Óbuda University Institute of Intelligent Engineering Systems Becsi út 96/B H-1034 Budapest Hungary

ISBN: (纸本)9781467347518

This paper extends reasoning issues on medical diagnosis related to Virtual Doctor System (VDS). Intuitionistic fuzzy aggregation functions have been used to represent concept reflective to the mental model of the VDS. The VDS project used two physical ontology model and mental ontology model aligned on medical ontology for reasoning. In this paper the mental ontology related to medical diagnosis is the main emphasis. The mental Ontology is represented as two models: Emotion state model, and ego state model. The attributes of mental state are represented as fuzzy intuitionistic criteria. The emotion state related attributes are represented using harmonic hybrid weighted Ordered Intuitionistic fuzzy aggregation function. The ego state related attributes are represented using Bonferroni ordered weight average aggregate function. The both aggregate functions as well as the physical ontology aggregate functions are aligned on medical knowledge based. The model is built for testing. © 2012 IEEE.

关键词： Ontology

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Effects of foot placement on the lower extremity in the swing phase during stair ascending: Implications for transfemoral prostheses

Effects of foot placement on the lower extremity in the swin...

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6th International Conference on Complex Medical engineering, CME 2012

作者： Inoue, Koh Hobara, Hiroaki Wada, Takahiro Department of Intelligent Mechanical Systems Engineering Kagawa University Takamatsu Kagawa 761-0396 Japan College Park MD 20742 United States Faculty of Information Science and Engineering Ritsumeikan University Kusatsu Shiga 525-8577 Japan

ISBN: (纸本)9781467316163

Stair ascending, especially step-over-step gait, is a difficult motor task for people with transfemoral amputation. Although many types prosthetic knees have been developed to attempt such locomotion, finding alternative methods is also important. The purposes of the present study were to (a) elucidate the effects of foot placement, as part of stair ascending strategies, on the lower extremity motion of able-bodied subjects and (b) investigate the effectiveness of these strategies on transfemoral prosthetic leg swinging during stair ascending in a computer simulation. In the experiment, 2 different foot placement strategies on a step were conducted with able-bodied subjects: the full-foot contact (FFC) and half-foot contact (HFC) strategies. HFC made the toe trajectory straighter, mainly owing to the knee joint motion. The joint moments at the hip and knee were smaller in the HFC condition than the FFC condition. These results suggest that HFC causes the leg swing to have more inertial motion than FFC and demonstrate the applicability of the HFC condition for transfemoral prostheses without any actuators. In the computer simulation based on the results of the first experiment, various inertial properties of a transfemoral prosthesis were examined to accomplish leg swing without tripping. Only in the HFC condition specific inertial properties allowed the prosthesis to avoid colliding with the stairs. These simulation results suggest that with natural motion, transfemoral prostheses without assistive devices could allow successful leg swing for step-over-step gait with the HFC condition and appropriate inertial properties. © 2012 IEEE.

关键词： Stairs

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