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U-care for the elderly: Implemenation of a comprehensive living and health care network

U-care for the elderly: Implemenation of a comprehensive liv...

引用

HEALTHCOM 2007: Ubiquitous Health in Aging Societies - 2007 9th International Conference on e-Health Networking, Application and Services

作者： Chen, Heng-Shuen Su, Mei-Ju Tsai, Tsung-Hsueh Teng, Shih-Shung Zhang, Han-Wei Jin-Shin, Lai Lai, Fei-Pei Chen, Ching-Yu Department of Medical Informatics National Taiwan University College of Medicine University Hospital Taipei Taiwan Graduate Institute of Electronics Engineering College of Electrical Engineering and Computer Science National Taiwan University Taipei Taiwan Caridinal Tien Hospital Young-Ho Branch Taipei Taiwan Genmart Tech. Co. Taipei Taiwan Department of Physical Medicine and Rehabilitation National Taiwan University College of Medicine University Hospital Taipei Taiwan Dept. of Computer Science and Information Engineering National Taiwan University Taipei Taiwan Department of Family Medicine National Taiwan University College of Medicine University Hospital Taipei Taiwan Medical College University Hospital National Taiwan University No. 1 Ren-ai Rd Taipei 100 Taiwan

ISBN: (纸本)142440942X

Taiwan started to be an 'aging society' from 1993, and the aging process will progress more rapidly due to markedly decreased child birth in recent year. Facing very high old age dependency ratio as 1 to 2 in year 2030 which means every two working age persons (age 15 - 64 years) have to support one elderly people. That would be an enormous burden for every family and society. In this study a U-Care system was developed and implemented in a satellite city region of Taipei metropolitan area in Taiwan, to provide a comprehensive living and health care service network for the elderly. The u-Health research team of National Taiwan University and Hospital collaborate with Cardinal Tien Hospital Young-Ho Branch, 17 primary care doctors and two living care service provider partners to provide integrated and continuous services for elderly people in home, community and institutional setting. © 2007 IEEE.

关键词： Ubiquitous computing

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Parameterization of Dermoscopic Findings for the Internet-based Melanoma Screening System

Parameterization of Dermoscopic Findings for the Internet-ba...

引用

IEEE Symposium on Computational Intelligence in Image and Signal Processing, CIISP

作者： Hitoshi Iyatomi Hiroshi Oka M. Emre Celebi Masaru Tanaka Koichi Ogawa Department of Dermatology Keio University Tokyo Japan Department of Electrical Informatics Hosei University Tokyo Japan Department of Information and Computer Science Keio University Yokohama Japan Department of Computer Science and Engineering University of Bridgeport CT USA Department of Dermatology Tokyo Women''s Medical University Medical Center East Koganei Tokyo Japan

In this paper, we develop an automated method to recognize the dermoscopic criteria used for diagnosing melanomas as defined by two commonly used diagnostic schemes, namely the ABCD rule and the 7-point checklist. We use a database of 105 dermoscopy images and their dermoscopic findings determined by four dermatologists as the gold standard. We extract 356 objective image parameters from the images and build multiple regression models for the 15 clinical findings defined by the aforementioned diagnostic schemes. Our model provides comparable results to dermatologists in recognizing almost all of the findings. The results of our preliminary experiments show that computer-based image analysis has the potential of identifying the dermoscopic criteria

关键词： Internet Malignant tumors Biomedical imaging Medical diagnostic imaging Cancer Data mining Biomedical engineering computer science Feature extraction Skin

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Learning Context-Specific Gene Regulatory Networks via In-Silico Conditioning

Learning Context-Specific Gene Regulatory Networks via In-Si...

引用

IEEE International Workshop on Genomic Signal Processing and Statistics (GENSIPS)

作者： Seungchan Kim Ina Roy Siddharth Raghavan Edward R. Dougherty Michael Bittner Translational Genomics Research Institute Phoenix Phoenix AZ USA School of Computing and Informatics Arizona State University Tempe AZ USA Department of Electrical & Computer Engineering Texas A and M University College Station TX USA

Cell adjusts its regulatory machinery in response to environmental changes to maintain its basic functionality. Different cellular conditions require different regulatory mechanisms that tightly regulate genes. Due to this tightly coordinated regulation, the expression of those genes should show consistent patterns within the same cellular contexts while such consistency disappears when corresponding context is disrupted. Based on previously developed statistics to identify genes whose expression pattern is significantly more consistent within a specific biologic context, we have developed an algorithm to identify novel cellular contexts and learn underlying context-specific gene regulatory networks.

关键词： Statistics Neoplasms computer networks Cancer Maintenance Gene expression Machine learning informatics Genomics Bioinformatics

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A Conceptual Persistent Healthcare Quality Improvement Process for Software Development Management

A Conceptual Persistent Healthcare Quality Improvement Proce...

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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)

作者： Jen-Chiun Lin Mei-Ju Su Po-Hsun Cheng Yung-Chien. Weng Sao-Jie Chen Jin-Shin Lai Feipei Lai Department of Electrical Engineering National Taiwan University Taipei Taiwan Graduate Institute of Electronic Engineering and Department of Electrical Engineering National Taiwan University Taipei Taiwan National Taiwan University Hospital National Taiwan University College of Medicine Taipei Taiwan Department of Computer Science and Information Engineering National Taiwan University Taipei Taiwan Department of Physical Medicine and Rehabilitation and Department of Medical Informatics National Taiwan University Hospital National Taiwan University College of Medicine Taiwan

This paper illustrates a sustained conceptual service quality improvement process for the management of software development within a healthcare enterprise. Our proposed process is revised from Niland's healthcare quality information system (HQIS). This process includes functions to survey the satisfaction of system functions, describe the operation bylaws on-line, and provide on-demand training. To achieve these goals, we integrate five information systems in National Taiwan University Hospital, including healthcare information systems, health quality information system, requirement management system, executive information system, and digital learning system, to form a full Deming cycle. A preliminary user satisfaction survey showed that our outpatient information system scored an average of 71.31 in 2006.

关键词： Medical services Software development management Management information systems Quality management Programming Bylaws Management training Hospitals Information management Learning systems

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Mobile Node Deployment in Hybrid Sensor Networks

Mobile Node Deployment in Hybrid Sensor Networks

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International Conference on Communications and Networking in China (CHINACOM)

作者： Shupeng Wang Mei Yang Jianping Wang Yingtao Jiang Ju-Yeon Jo Center of Information Intelligence and Security Chinese Academy of Sciences Beijing China Department of Electrical and Computer Engineering University of Nevada Las Vegas NV USA Department of Computer Science City University of Hong Kong Hong Kong China School of Informatics University of Nevada Las Vegas NV USA

Hybrid sensor networks consisting of both static and mobile sensor nodes attract more research interests with their enhanced capability. As mobile nodes generally have more power than static nodes, they are preferable to be used as cluster heads. In this paper, we study the mobile node deployment problem with the objective of maximizing the number of static nodes covered by the mobile nodes with minimized moving distance. We prove that this problem is NP-complete and propose a distributed deployment protocol to solve it. In the proposed protocol, different policies of selecting the moving nodes are considered to cover more static nodes with less moving distance. Simulation results show that the proposed protocol achieves high coverage ratio with acceptable moving distance.

关键词： Protocols Wireless sensor networks Base stations Mobile computing Intelligent networks Intelligent sensors Network topology computer security Information security computer networks

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Implementation of HSSec: a High-Speed Cryptographic Co-processor

Implementation of HSSec: a High-Speed Cryptographic Co-proce...

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12th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2007), vol.2

作者： A. P. Kakarountas H. Michail C. E. Goutis C. Efstathiou Department of Electrical & Computer Engineering University of Patras Patras Greece Informatics Department TEI Athens Athens Greece

In this paper a high-speed cryptographic coprocessor, named HSSec, is presented The core embeds two hash functions, SHA-1 and SHA-512, and the symmetric block cipher AES. The architecture of HSSec renders it suitable for widely spread applications with security demands. The presented co-processor can be used inevery system integrating standards such as IPSec or the upcoming JPSec and P1619. The main characteristic of the proposed implementation is common use of the available resources, to minimize further area requirements. Additionally the cryptographic primitives can operate in parallel, providing high throughput whenever needed Finally the system can operate in ECB or CBC modes. The HSSec co-processor has relatively small area and its performance reaches 1 Gbps (AES, SHA-1 and SHA-512) for XILINX's Virtex II FPGA family.

关键词： Cryptography Coprocessors Throughput Field programmable gate arrays Consumer electronics Hardware computer architecture Application software informatics Security

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Lapped Tight Frame Transforms

Lapped Tight Frame Transforms

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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

作者： Amina Chebira Jelena Kovacevic Department of Biomedical Engineering and Center for Bioimage Informatics Carnegie Mellon University Pittsburgh PA USA Dept. of Biomedical Eng. and Center for Bioimage Informatics Dept. of Electrical and Computer Eng. Carnegie Mellon University Pittsburgh PA. Email: jelenak@cmu.edu

We propose a new class of equal-norm tight frames termed lapped tight frame transforms (LTFTs). These can be seen as a redundant counterpart to bases known as lapped orthogonal transforms (LOTs) introduced by Malvar and Cassereau, as well as an infinite-dimensional counterpart to harmonic tight frames (HTFs). To construct LTFTs, we seed them from LOTs and show that, in a specific case, the process preserves the equal norm. As both their basis counterpart LOTs as well as their finite-dimensional one HTFs, LTFTs possess many desirable properties, such as equal norm and efficient implementation.

关键词： Filter bank Power harmonic filters Signal processing Signal representations Robustness Biomedical informatics Biomedical computing Wavelet transforms Discrete cosine transforms Channel bank filters

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IMAGE ANALYSIS FOR AUTOMATED ASSESSMENT OF GRADE OF NEUROBLASTIC DIFFERENTIATION

IMAGE ANALYSIS FOR AUTOMATED ASSESSMENT OF GRADE OF NEUROBLA...

引用

IEEE International Symposium on Biomedical Imaging

作者： Jun Kong Hiroyuki Shimada Kim Boyer Joel Saltz Metin Gurcan Department of Electrical and Computer Engineering Ohio State Uinversity Columbus OH USA Department of Pathology and Laboratory Medicine Childrens Hospital Los Angeles University of Southern California Los Angeles CA USA Department of Biomedical Informatics Ohio State Uinversity Columbus OH USA

ISBN: (纸本)9781424406715

Peripheral neuroblastic tumors (pNTs) make the most commonly encountered tumor groups in children. Neuroblastoma, one of the categories in pNTs, is known to have unique biological behaviors with variable clinical prognoses of the patients. Part of the neuroblastoma prognosis is closely related with grade of neuroblastic differentiation. In this work, we present an automatic classification system that includes a novel segmentation method using the EM algorithm with the Fisher-Rao criterion as its kernel. This is followed by a classification stage with classifiers applied to the actual neuroblastoma images. The good classification accuracy suggests that the developed method is promising in automating this pathological assessment

关键词： Image analysis Neoplasms Image segmentation Pathology Image coding Pediatrics Computed tomography Image storage Color Biomedical computing

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computer-Aided Grading of Neuroblastic Differentiation: Multi-Resolution and Multi-Classifier Approach

Computer-Aided Grading of Neuroblastic Differentiation: Mult...

引用

IEEE International Conference on Image Processing

作者： Jun Kong Olcay Sertel Hiroyuki Shimada Kim Boyer Joel Saltz Metin Gurcan Department of Biomedical Informatics Ohio State Uinversity Columbus OH USA Ohio State University Columbus OH US Department of Pathology and Laboratory Medicine University of Southern California Los Angeles CA USA Department of Electrical and Computer Engineering Ohio State Uinversity Columbus OH USA

In this paper, the development of a computer-aided system for the classification of grade of neuroblastic differentiation is presented. This automated process is carried out within a multi-resolution framework that follows a coarse-to-fine strategy. Additionally, a novel segmentation approach using the Fisher-Rao criterion, embedded in the generic expectation-maximization algorithm, is employed. Multiple decisions from a classifier group are aggregated using a two-step classifier combiner that consists of a majority voting process and a weighted sum rule using priori classifier accuracies. The developed system, when tested on 14,616 image tiles, had the best overall accuracy of 96.89%. Furthermore, multi-resolution scheme combined with automated feature selection process resulted in 34% savings in computational costs on average when compared to a previously developed single-resolution system. Therefore, the performance of this system shows good promise for the computer-aided pathological assessment of the neuroblastic differentiation in clinical practice.

关键词： Image segmentation Image resolution Pathology Image decomposition Biomedical computing Tiles Image analysis Data mining System testing Computational efficiency

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AN UWB-BASED LOCATION-AIDED MAC PROTOCOL FOR WIRELESS SENSOR NETWORKS

AN UWB-BASED LOCATION-AIDED MAC PROTOCOL FOR WIRELESS SENSOR...

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18th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2007), vol.5

作者： Eirini Karapistoli Ioannis Gragopoulos Ioannis Tsetsinas Fotini-Niovi Pavlidou Department of Electrical and Computer Engineering Aristotle University of Thessaloniki Greece CERTH-Informatics and Telematics Institute Thessaloniki Greece

In this paper we propose an UWB-based location-aided MAC protocol for wireless sensor networks, named LA-MAC. Current MAC proposal is closely coupled to the IEEE 802.15.4a physical layer and it is based on the Impulse-Radio (IR) paradigm. LA-MAC exploits the precise position location provided by the UWB transmission technique in order to assess the channel conditions more accurately and enhance the network performance by wisely allowing simultaneous data transmissions to occur. The produced interference estimation model in conjunction with the distributed admission control scheme, leads to better interference predictions and blocking assessments and thus improves channel spatial reuse efficiency and data throughput. The proposed MAC is evaluated and compared to traditional MAC protocols, like the 802.15.4 that does not take advantage of the UWB peculiar characteristics, showing a significant improvement in terms of network throughput, energy consumption and average MAC delay.

关键词： Media Access Protocol Wireless application protocol Wireless sensor networks Interference Throughput Proposals Couplings Physical layer Data communication Predictive models

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