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2009 International Conference on Information Management and engineering, ICIME 2009

作者： Kao, Edward Chao-Chun Liu, Chun-Chieh Yang, Ting-Hao Hsieh, Chang-Tai Soo, Von-Wun Institute of Information Systems and Applications National Tsing Hua University Hsinchu Taiwan Department of Computer Science National Tsing Hua University Hsinchu Taiwan Institute for Information Industry Taipei Taiwan Department of Computer Science and Information Engineering National University of Kaohsiung Kaohsiung Taiwan

ISBN: (纸本)9780769535951

This paper presents an overview of the emerging field of emotion detection from text and describes the current generation of detection methods that are usually divided into the following three main categories: keyword-based, learningbased, and hybrid recommendation approaches. Limitations of current detection methods are examined, and possible solutions are suggested to improve emotion detection capabilities in practical systems, which emphasize on human-computer interactions. These solutions include extracting keywords with semantic analysis, and ontology design with emotion theory of appraisal. Furthermore, a case-based reasoning architecture is proposed to combine these solutions. © 2009 IEEE.

关键词： Semantics

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A personalized service recommendation system in a home-care environment 15

A personalized service recommendation system in a home-care ...

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15th International Conference on Distributed Multimedia Systems, DMS 2008

作者： Yang, Chi-Lu Chang, Yeim-Kuan Chang, Ching-Pao Chu, Chih-Ping Department of Computer Science and Information Engineering National Cheng Kung University Tainan Taiwan Innovative DigiTech-Enabled Applications and Service Institute Institute for Information Industry Kaohsiung Taiwan Department of Information Engineering Kun Shan University Tainan Taiwan

ISBN: (纸本)189170625X

Many bio-signals of the chronic patients could be measured by various bio-devices and transferred to back-end system over the wireless network through the homebox. In a home-care environment, it becomes more complex to reliably process transmitting and receiving these bio-signals by the homebox. While the bio-devices increasing, the process is even much more complex. In addition, the chronic patients always hope to be served correctly and suitably by the service system in the house. Therefore, we have to provide services such as adjusting room temperature and lighting etc to make those patients’ daily lives easy. In this paper, we propose a personalized service recommendation system (PSRS) based on users’ preferences and habits. The PSRS has capability of providing suitable services. Furthermore, we construct personal models to record the patients’ daily activities and habits. Through the models, the system will be able to automatically launch to safety alert, recommendable services and healthcare services in the house. In the future, the proposed system and models could even carry out the mobile health monitor and promotion in a home-care environment © 2009 by Knowledge Systems Institute Graduate School.

关键词： Recommender systems

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Secret image sharing with reversible steganography

Secret image sharing with reversible steganography

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2009 International Conference on Computational Intelligence and Natural Computing, CINC 2009

作者： Chang, Chin-Chen Lin, Pei-Yu Chan, Chi-Shiang Department of Information Engineering and Computer Science Feng Chia University 100 Wenhwa Rd. Seatwen Taichung 40724 Taiwan Department of Computer Science and Information Engineering National Chung Cheng University 160 San-Hsing Min-Hsiung Chiayi 621 China Department of Information Science and Applications Asia University No. 500 Lioufeng Rd. Wufeng Taichung 41354 Taiwan

ISBN: (纸本)9780769536453

The significant essential of secret image sharing approaches is that the revealed content of the secret image must be lossless. Moreover, the distorted stego images can be reverted to the original cover image. In order to achieve these purposes, we first transform the secret pixels into the m-ary notational system. Then, the information data used to reconstruct original pixels from camouflaged pixels are calculated. The information data and transformed secret data are shared using the (t, n)-threshold sharing scheme. In this way, we can retrieve the lossless secret image and reverse the stego image to the original image. According to the experiments, the shadows can be successfully camouflaged in the cover image, and the stego images have satisfactory quality. Moreover, our scheme allows for a large capacity of embedded secret data. © 2009 IEEE.

关键词： Pixels

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Service creation and composition for realization on service-oriented architecture

Service creation and composition for realization on service-...

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作者： Yang, Chi-Lu Chang, Yeim-Kuan Chu, Chih-Ping Department of Computer Science and Information Engineering National Cheng Kung University Tainan Taiwan Innovative DigiTech-Enabled Applications and Service Institute Institute for Information Industry Kaohsiung Taiwan

ISBN: (纸本)1891706241

Applying ICT to assist daily activities and interests is already a worldwide trend. Through software and network techniques, computers could remotely provide various services. Up to now, Service-Oriented Architecture (SOA) has become one of the most popular techniques to realize these daily services in various areas. Therefore, we would need systematic methods for services creation from a service-centric viewpoint. In this paper, we first illustrated the progress of service realization. The interoperability of service creation and realization along its life cycle were carefully explained. With methodical sequences, domain-specific services can be well created and designed. The home-care services were demonstrated in the case study. These services were verified by a pilot trial in a real environment. The experimental results showed the usability and effectiveness. We believe that a successful experience on service realization is worthy to be shared.

关键词： Interoperability

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A Fast Method for Building and Updating Background Model

A Fast Method for Building and Updating Background Model

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International Workshop on Intelligent Systems and applications, ISA

作者： Juan Zhu Yongping Kong Department of Computer Applications School of Computer Science & Engineering South China University of Technology Guangzhou China

On the basic of the video traffic surveillance system, the Vehicle detection is a crucial step. A typical method is background subtraction. Extracting and updating the background plays an important role on speed and efficiency of detection. For this reason, the author puts forward a fast and effective method for building and updating the background model. First, adopt the improved statistical method to build initial background. Second, get the vista of the picture per frame by means of background subtraction, and bring forward the background updating method based on the container technology. Finally, in its updating stage, use the pixel excluding the pixel in vista region to renew the background model. The data of experimental picture states clearly that competed with the traditional method, detection technology is robust and accurate. Furthermore, on the realization of arithmetic, it is easier to operate and it has higher timeliness.

关键词： Roads Arithmetic computer applications computer science Traffic control Vehicle detection Statistical analysis Intelligent transportation systems Cameras Robust stability

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Hand posture recognition using hidden conditional random fields

Hand posture recognition using hidden conditional random fie...

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2009 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM 2009

作者： Liu, Te-Cheng Wang, Ko-Chih Tsai, Augustine Wang, Chieh-Chih Department of Computer Science and Information Engineering National Taiwan University Taipei Taiwan Graduate Institute of Networking and Multimedia National Taiwan University Taipei Taiwan Innovative DigiTech-Enabled Applications and Services Institute Institute for Information Industry Taipei Taiwan Department of Computer Science and Information Engineering Graduate Institute of Networking and Multimedia National Taiwan University Taipei Taiwan

ISBN: (纸本)9781424428533

Body-language understanding is essential to human robot interaction, and hand posture recognition is one of the most important components in a body-language recognition system. The existing hand posture recognition approaches based on robust local features such as SIFT can be invariant to background noise and in-plane rotation. However the ignorance of the relationships among local features is a fundamental issue. The part-based models argue that objects of the same category share the same part-structure which consists of parts and relationships among parts. In this paper, a discriminative partbased model, Hidden Conditional Random Fields (HCRFs), is used to recognize hand postures. Although the existing global locations of features have been used to consider large scale dependency among parts in the HCRFs framework, the results are not invariant to in-plane rotation. New features by the distance to the image center are proposed to encode the global relationship as well as to perform in-plane rotationinvariant recognition. The experimental results demonstrate that the proposed approach is in-plane rotation-invariant and out performs the approach using Ada Boost with SIFT. ©2009 IEEE.

关键词： Human robot interaction

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Architecture for address auto-configuration in MANET based on Extended Prime Number Address Allocation (EPNA)

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WSEAS Transactions on computers 2009年第3期8卷 549-558页

作者： Kumar, Harish Singla, R.K. Computer Science and Engineering UIET Panjab University Chandigarh UT 160014 India Department of Computer Science and Applications Panjab University Chandigarh UT 160014 India

An efficient technique for IP address auto-configuration for nodes is an important component in the MANET setup. Previously proposed approaches either need a broadcast over complete network and / or need a duplicate address detection mechanism leading to an inefficient latency and overhead in assignment of addresses. In this paper, an Extended Prime Number Address Allocation (EPNA) technique has been proposed that is conflict free and distributed technique. EPNA does not require broadcast and address assignment can be completed with in maximum of four hop communications. In this technique a large number of nodes are empowered to act as proxies to assign the addresses and most of the time it is one-hop communication. Analytical results show that EPNA is capable of auto-configuring any node without much latency and overhead irrespective of address space. The proposed algorithm also gives even IP address distribution and low complexity for small as well large sized MANET.

关键词： Network architecture

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Modeling and analysis of adaptive buffer sharing scheme for consecutive packet loss reduction in broadband networks

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World Academy of science, engineering and Technology 2009年 39卷 418-425页

作者： Kausha, Sakshi Sharma, R.K. Department of Computer Science and Engineering University Institute of Engineering and Technology Panjab University Chandigarh India School of Mathematics and Computer Applications Thapar University Patiala India

High speed networks provide realtime variable bit rate service with diversified traffic flow characteristics and quality requirements. The variable bit rate traffic has stringent delay and packet loss requirements. The burstiness of the correlated traffic makes dynamic buffer management highly desirable to satisfy the Quality of Service (QoS) requirements. This paper presents an algorithm for optimization of adaptive buffer allocation scheme for traffic based on loss of consecutive packets in data-stream and buffer occupancy level. Buffer is designed to allow the input traffic to be partitioned into different priority classes and based on the input traffic behavior it controls the threshold dynamically. This algorithm allows input packets to enter into buffer if its occupancy level is less than the threshold value for priority of that packet. The threshold is dynamically varied in runtime based on packet loss behavior. The simulation is run for two priority classes of the input traffic - realtime and non-realtime classes. The simulation results show that Adaptive Partial Buffer Sharing (ADPBS) has better performance than Static Partial Buffer Sharing (SPBS) and First In First Out (FIFO) queue under the same traffic conditions.

关键词： Quality of service

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CPDCF for IEEE 802.11 WLANs

CPDCF for IEEE 802.11 WLANs

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2009 4th International Conference on Communications and Networking in China, CHINACOM 2009

作者： Chen, Chia-Mei Wang, Chi-Hsuan Wu, Mingzoo Department of Management Information System National Sun Yat-sen University Taiwan Department of Computer Science and Information Engineering National Cheng Kung University China Innovative DigiTech-Enabled Applications and Services Institute Institute for Information Industry Taiwan

ISBN: (纸本)9781424443376

The contention-based DCF suffers from collision seriously under heavy load conditions. In this paper, a novel medium access control protocol called Contention-Polling Duality Coordination Function (CPDCF) is proposed to enhance the DCF-based MAC protocol. A polling ACK mechanism is introduced to admit the designated station to transmit without performing any contention process. By eliminating collisions and preventing waste from idle backoff slots, the system capacity is increased effectively. A mathematical model is developed to analyze the saturation throughput of the CPDCF with various CP combinations. The performance in terms of fairness is studied as well. The model accuracy is verified via extensive simulations. Numerical results show that the well-managed CPDCF can achieve a significantly higher system capacity than the legacy DCF does. The proposed CPDCF is quite feasible, effective, and can be easily integrated with the widespread DCF-based devices.

关键词： Wireless local area networks (WLAN)

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A framework for personalized health trend analysis

A framework for personalized health trend analysis

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10th International Symposium on Pervasive Systems, Algorithms, and Networks, I-SPAN 2009

作者： Lan, Guo-Cheng Lee, Chao-Hui Wu, Jin-Shang Li, Huan-Chung Ho, Shing-Hua Tseng, Vincent S. Department of Computer Science and Information Engineering National Cheng-Kung University Tainan 701 Taiwan Institute of Computer Science and Information Engineering Institute of Medical Informatics National Cheng-Kung University Tainan 701 Taiwan Department of Family Medicine National Cheng-Kung University Tainan 701 Taiwan Innovative Digitech-Enabled Applications and Services Institute Institute for Information Industry Taipei 105 Taiwan Innovative Digitech-Enabled Applications and Services Institute Institute for Information Industry Kaohsiung 806 Taiwan

ISBN: (纸本)9780769539089

In recent years, with the development of the economy and the advancement of the national income, personal healthcare has been becoming an important issue. Since the health examination can help people understand their own health conditions clearly, many people make regularly health examinations to avoid missing the best treatment time. So the health examination is an important role for people's health statuses. However, people only get aware of the result of health examination report but they are not clear whether their health trends are high-risk or not. In this paper, we proposed a novel framework for discovering health risk patterns and the relationships between the patterns and a target disease by mining historic health examination data. Moreover, a prediction model for the target disease can be constructed effectively by the discovered information. Through the framework, the physicians can early provide health alerts and medical treatments for people to effectively increase the quality of disease prevention. © 2009 IEEE.

关键词： Health risks

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