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SICE Annual Conference

作者： Kentaro Yano Masanobu Koga Hiromasa Nakashima Department of Information and Multimedia Technology Fukuoka Institute of Technology Fukuoka Japan Faculty of Computer Science and System Engineering Kyushu Institute of Technology Fukuoka Japan Graduate School of Computer Science and System Engineering Kyushu Institute of Technology Fukuoka Japan

ISBN: (纸本)9781424476428

This paper proposes validated control system design method based on verified numerical computation. The proposed method designs a controller and validates it using verified numerical computation. We also propose a method to find the numerically most design-specification satisfied controller quickly by using multiple-precision arithmetic. And, this paper applies a proposed method to pole assignment problem.

关键词： Control systems Design methodology Accuracy Computational modeling Mathematical model Numerical models Equations

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Evaluation of a use-case-driven requirements analysis tool employing web UI prototype generation

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WSEAS Transactions on information science and Applications 2010年第2期7卷 273-282页

作者： Ogata, Shinpei Matsuura, Saeko Course of Functional Control Systems Graduate School of Engineering Shibaura Institute of Technology 307 Fukasaku Minuma-ku Saitama-City Saitama 337-8570 Japan Department of Electronic Information Systems College of System Engineering and Science Shibaura Institute of Technology 307 Fukasaku Minuma-ku Saitama-City Saitama 337-8570 Japan

It has been widely acknowledged that ambiguous or incomplete customer requirements are a major reason for the failure of software development projects. A key example of this is the inconsistency between implementation image and specifications provided in the early stages of software development. To address this, we propose a method for automatic generation of user interface prototypes for developing Web-based business applications, based on the requirements specifications defined in the Unified Modeling Language (UML). In this study, we compare the proposed method with traditional use case modeling to evaluate the effectiveness of the proposed method.

关键词： Unified Modeling Language

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A method of automatic integration test case generation from UML-based scenario

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WSEAS Transactions on information science and Applications 2010年第4期7卷 598-607页

One key to success for high quality enterprise information systems development is to validate the customers' requirements sufficiently at the early stage. Scenarios are an effective means to an end because they make it possible to represent various situations of system usage. Most scenarios are defined by using a natural language or such a formal language as Unified Modeling Language (UML) and describe normal, alternative, and exceptional service flows from the point of view of system usage. As a result, scenarios make it easy for the customers to confirm their requirements intuitively because of the concreteness. On the other hand, based on the V-model, which is well-known software development process and denotes the correspondence of requirement analysis stage to integration test stage, it is desirable that the testers should test the system by using the test cases derived from the validated scenarios. We have proposed a UML-based requirements analysis (RA) model with automatic prototype system generation for enterprise Web application development. This paper proposes a way to efficiently create reliable test cases from the scenarios that have been validated by the customers using the prototype system which was generated by the RA model.

关键词： Integration testing

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Classification of hand postures based on 3D vision model for human-robot interaction

Classification of hand postures based on 3D vision model for...

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19th IEEE International Conference on Robot and Human Interactive Communication, RO-MAN 2010

作者： Takimoto, Hironori Yoshimori, Seiki Mitsukura, Yasue Fukumi, Minoru Faculty of Computer Science and System Engineering Communication and Engineering Okayama Prefectural University 111 Kuboki Soja Okayama 719-1197 Japan Faculty of Engineering Nippon Bunri University 1727 Ichigi Oita 870-0397 Japan Graduate School of Bio-Application and Systems Engineering Tokyo University of Agriculture and Technology 2-24-16 Naka-cho Higashi-koganei Tokyo 184-8588 Japan Dept. of Information and Science Intelligent Systems University of Tokushima 2-1 Minami-josanjima Tokushima 770-8506 Japan

ISBN: (纸本)9781424479917

In this paper, a method for hand posture recognition, which is robust for hand posture changing in an actual environment, is proposed. Conventionally, a data glove device and a 3D scanner have been used for the feature extraction of hand shape. However, the performance of each approach is affeected by hand posture changing. Therefore, this paper proposes the posture fluctuation model for efficient hand posture recognition, based on 3D hand shape and color feature obtained from a stereo camera. A large set of dictionary for posture recognition is built by various leaned hand images which were auto-created from one scanned hand image, based on plural proposed models. In order to show the effectiveness of proposed method, performance and processing times for posture recognition are compared to conventional method. In addition, we perform the evaluation experiment by using the Japanese sign language. © 2010 IEEE.

关键词： Human robot interaction

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A method of trajectory generation to vehicle robot under unknown environment

A method of trajectory generation to vehicle robot under unk...

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作者： Nagahara, Daisuke Takahashi, Satoru Tanaka, Takayuki Kaneko, ShuN'Ichi Department of Intelligent Mechanical Systems Engineering Kagawa University 2217-20 Hayashi-Cho Takamatsu Kagawa 761-0396 Japan Division of System Science and Informatics Graduate School of Information Science and Technology Hokkaido University Kita 14 Nishi 9 Kita-Ku Sapporo Hokkaido 060-0814 Japan

ISBN: (纸本)9781424496730

In this paper, we propose a method of trajectory generation without colliding obstacles to the vehicle robot using the distance information obtained by the scanning laser range finder. First, the vehicle robot mounted on the scanning laser range finder calculates the position of obstacles based on each angle's distance information, and then generates the trajectory which reaches the final destination. According to this trajectory, the robot can move in the irregular ground such as the grape fields. Through the experimental data we prove our proposed method is utilized. © 2010 TSI Press.

关键词： Robots

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Speech recognition based on tree-structured clustering and aspect model in multiple noise environments

Speech recognition based on tree-structured clustering and a...

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作者： Hahm, Seong-Jun Ohkawa, Yuichi Suzuki, Motoyuki Ito, Masashi Makino, Shozo Ito, Akinori Graduate School of Engineering Tohoku University 980-8579 Japan Graduate School of Educational Informatics Tohoku University 980-8576 Japan Institute of Technology and Science University of Tokushima 770-8506 Japan Electronics and Intelligent Systems Tohoku Institute of Technology 982-8577 Japan Intelligent Information System Tohoku Bunka Gakuen University 981-8551 Japan

In this paper, we propose speech recognition by using cluster-specific aspect model based on tree-structured clustering in multiple noise environments. Multi-condition hidden Markov model (MC-HMM) is one of the standard methods for speech recognition in noisy environment. While MC-HMM is pretty simple, it is known to be robust against various noises, thus this method is regarded as a "standard" of noise-robust acoustic model. However, it is difficult to train a model with large number of parameters to represent wide variabilities. We use tree-structured clustering method to avoid this problem. After training cluster models, cluster-specific aspect models are trained by using results of tree-structured clustering. Each cluster-specific aspect model can represent latent characteristic of specific noisy environments included in a certain cluster. The method for adaptation is based on the aspect model, which is a "mixture-of- mixture" model. To realize adaptation using extremely small amount of adaptation data (i.e., a few seconds), we first select the model according to the result of binary search of tree-structure and train a small number of mixture models which can be interpreted as models for "subclusters" of cluster models. The experimental results showed that the adaptation based on the cluster-specific aspect model improved the word accuracy in a heavy noise environment.

关键词： Hidden Markov models

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Lightpath route management system for IP-over-CWDM networks with ROADMs

Lightpath route management system for IP-over-CWDM networks ...

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Asia-Pacific Symposium on information and Telecommunication Technologies (APSITT)

作者： Raja Zahilah Yuta Ogino Soichiro Nishiuma Md. Nooruzzaman Osanori Koyama Yutaka Katsuyama Faculty of Computer Science and Information System Universiti Teknologi Malaysia Skudai Johor Malaysia Graduate School of Engineering Osaka Prefecture University Sakai Osaka Japan

A lightpath route management system with parallel processing capabilities and a flexible upgradability, allowing new functions to be added to the system without any system program changes, has been designed and implemented for IP-over-CWDM networks with ROADMs. The system can process route management functions composed of some sub applications in parallel in multi machines for high speed performance. In addition, the system was designed to have a flexible upgradability which allows adding new functions to the system, i.e. no changes of the system programs are required when adding the new functions. The system functions are to search possible lightpath routes made by ROADMs with specified switch states, and to output the total optical losses of the routes. The system was implemented and the performance was evaluated. By the system with one management and 3 calculation machines for the parallel processing, the total time to obtain the results for a 5-node IPover-CWDM network was reduced down to 65% of the total time by the system with a single machine without parallel processing. The system enables the network administrators to manage the lightpath reconfigurations effectively without errors by avoiding making unlinked lightpaths through routes with higher losses to connect nodes, before the reconfiguration.

关键词： High speed optical techniques Optical fiber networks Optical losses Optical switches Parallel processing Transceivers Computer network management engineering management Computer science Management information systems

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Image-guided position and height estimation for unmanned helicopter

Image-guided position and height estimation for unmanned hel...

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IET International Conference on Frontier Computing. Theory, Technologies and Applications

作者： Kuo-Hsien Hsia Shao-Fan Lien Ting-En Lee Juhng-Perng Su Chi-Jung Huang Department of Management Information System Far East University Taiwan Graduate School of Engineering Science & Tech National Yunlin University of Science and Technology Taiwan Department of Information Technology Overseas Chinese University Taiwan Department of Electrical Engineering National Yunlin University of Science and Technology Taiwan

Helicopter is a nimble vehicle with flight property. It can take off or land vertically, move in any direction and hover. Because of the innate instability and highly nonlinear property, designing autonomous flight control system of helicopter is of much difficulty. The main consideration in helicopter flying control is to hover and to land. In this paper, we consider the case that a CCD is hanged on helicopter as an auxiliary sensor. The CCD can get the image of H-type hard-stand on the ground and calculate the horizontal shift error and height of helicopter by PC. It can apply to observe the river, disaster area, science and military detection. In order to get the information about aerial photography and observation, we add the function of taking picture and video recording.

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Study on image feature selection: A genetic algorithm approach

Study on image feature selection: A genetic algorithm approa...

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IET International Conference on Frontier Computing. Theory, Technologies and Applications

作者： H. I. Huang Y. S. Wu Y. K. Chan C. H. Lin Department of Computer Science and Information Engineering National Taichung Institute of Technology Taiwan Graduate School of Computer Science and Information Technology National Taichung Institute of Technology Taiwan Department of Management Information System National Chung Hsing University Taiwan

This study was mainly about genetic algorithms of feature selection. The features adopted by this paper include CCM and DBPSP for the relationship between color and texture, CHKM for the color information of an image. The genetic algorithm of this study is implemented by MatLab program. The genetic algorithm optimization and searching technology adopted mechanics of genes and natural selection, and the algorithm implementation steps are: population initialization, fitness functions, selection, crossover, mutation, iteration and evolution. Feature selections used here are Sequential Forward Selection (SFS), Sequential Backward Selection (SBS), and the genetic algorithm-based feature selection used in this essay respectively. This study was analyzed and compared the result of the experiment respectively. The experiment was carried out for comparing the image retrieval accuracy, feature selection and computing time of image retrieval.

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A method of trajectory generation to vehicle robot under unknown environment

A method of trajectory generation to vehicle robot under unk...

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Proceedings of the Biannual World Automation Congress

作者： Daisuke Nagahara Satoru Takahashi Takayuki Tanaka Shun'ichi Kaneko Department of Intelligent Mechanical Systems Engineering Kagawa University Takamatsu Kagawa Japan Division of System Science and Informatics Graduate School of Information Science and Technology Hokkaido University Sapporo Hokkaido Japan

关键词： Charge coupled devices Robots

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