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Text Adaptation for Mobile Digital Teletext 04

Text Adaptation for Mobile Digital Teletext

引用

IEEE WIC ACM international conference on Web Intelligence (WI)

作者： Chengyuan Peng P. Vuorimaa Department of Computer Science and Engineering Helsinki University of Technology Finland

ISBN: (纸本)9780769521008

Small and varying screen sizes of mobile devices pose a big problem for digital Teletext service to display its content. It is difficult to display all the text information on a small screen, where page scroll or transparent page to live video is not practical. This paper presents an adaptive text extraction method which can automatically extract key information from original text and keep semantic meanings as close as possible. We combine both statistical methods and coarse coding algorithm from neural science to shorten long text sentences in terms of generalization. The experiment results show that the methods are efficient and effective.

关键词： Teletext Data mining Digital TV Computer displays Web services Natural language processing Computer science Mobile computing Statistical analysis Bit rate

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A fast VLSI architecture for two-dimensional discrete wavelet transform based on lifting scheme [image compression applications]

A fast VLSI architecture for two-dimensional discrete wavele...

引用

international conference on Solid-State and Integrated Circuit technology

作者： Chengyi Xiong Jinwen Tian Jian Liu College of Electronic Information Engineering South-Center University of Science and Technology Wuhan China Institute of Pattern Recognition & Artification Intelligence Key Laboratory of Education Ministry for Image Processing and Intelligent Control Huazhong University of Science and Technology Wuhan China

ISBN: (纸本)078038511X

This paper proposes a novel fast architecture for a 2D discrete wavelet transform by using a lifting scheme, Parallel and embedded decimation techniques are employed to optimize the architecture, which is mainly composed of two horizontal filter modules and one vertical filter module, working in parallel and pipeline fashion with 100% hardware utilization. The architecture is designed to generate two outputs in one working clock cycle, with every two subbands coefficients alternately. The total time for computing J levels of decomposition for an N/spl times/N image is approximately 2N/sup 2/(1-4/sup -J/)/3 clock cycles. In comparison with the other devices reported in previous literature, the design has many advantages including lower hardware complexity and area and power efficiency. The design is also fast, regular and simple, as well as well suited for VLSI implementation.

关键词： Discrete wavelet transforms Very large scale integration Filters Computer architecture Wavelet transforms Hardware Clocks Image coding Matrix converters Pipelines

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A mobile telecardiology system using TETRA standards

A mobile telecardiology system using TETRA standards

引用

international conference on information technology - coding and computing

作者： Alshamali, A Communication Eng. Dept. Hijjawi Faculty for Engineering Technology

ISBN: (纸本)0769519164

This paper presents a TETRA based mobile telecardiology model. Design considerations to transmitting wavelet based compressed ECG data using TETRA are discussed. The performance of transmitting compressed ECG signals from a patient to a remote place (hospital or medical center) over TETRA network is evaluated in terms of BER and PRD. Frequency selective fading channels are considered during the simulation work. Results reveal the successful transmission of compressed ECG signal with low PRD and BER better than 10(-5).

关键词： telecardiology wavelets transform data compression TETRA

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Proceedings - international conference on information technology: coding and computing, itcc 2002

Proceedings - International Conference on Information Techno...

引用

international conference on information technology: coding and computing, itcc 2002

ISBN: (纸本)0769515061

The proceedings contain 90 papers. The topics discussed include: recruitment filtering with personality-job fit model;improving precision and recall for soundex retrieval;internet browsing: visualizing category map by fisheye and fractal views;trends in multimedia web searching: excite queries;automatic query expansion based on directed divergence;improve precategorized collection retrieval by using supervised term weighting schemes;on Arabic-English cross-language information retrieval: a machine translation approach;efficient key-frame extraction and video analysis;what is acceptable quality in the application of digital watermarking: trade-offs of security, robustness and quality;joint source-channel coding using simplified block-based segmentation and content-based rate-control for wireless video transport;enhancing watermark robustness through mixture of watermarked digital objects;spem online rate control for realtime streaming video;and format-compliant selective scrambling for multimedia access control.

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Direct Huffman coding and decoding using the table of code-lengths

Direct Huffman coding and decoding using the table of code-l...

引用

international conference on information technology - coding and computing

作者： Hashemian, R No Illinois Univ De Kalb IL 60115 USA

ISBN: (纸本)0769519164

A new Huffman coding and decoding technique is presented. There is no need to construct a full size Huffman table in this technique;instead, the symbols are encoded directly from the table of code-lengths. For decoding purposes a new Condensed Huffman Table (CHT) is also introduced. It is shown that by employing this technique both encoding and decoding operations become significantly faster, and the memory consumption also becomes much smaller compare to the normal Huffman coding/decoding.

关键词： Decoding

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A new program in information technology

A new program in information technology

引用

international conference on information technology - coding and computing

作者： Hughes, CE Marin, GA Univ Cent Florida Sch Elect Engn & Comp Sci Orlando FL 32816 USA

ISBN: (纸本)0769519164

This paper describes the motivation, development and current status of the information technology Bachelor of Science degree program at the University of Central Florida. Our goal is to provide our particular point of view on what should comprise an IT degree and thereby to elicit open dialogue with others who may have similar or even completely differing points of view.

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A multi-agent system for personalized and private service in PDR

A multi-agent system for personalized and private service in...

引用

international conference on information technology - coding and computing

作者： Zhou, XS Yu, ZW Gu, JH Wu, XJ Zhang, Y Northwestern Polytech Univ Dept Comp Sci & Engn Xian 710072 Peoples R China

ISBN: (纸本)0769519164

The overabundance of DTV (Digital Television) programs precipitates a need for new tools to help people find programs and personalize TV viewing experience. In this paper(*), we present a multi-agent system that provides personalized and private service in PDRs (Personal Digital Recorders). This paper details the architecture and components of the system. The multi-agent system observes the users' viewing behaviors in the background, updates the users' profiles continuously, and provides different programs for different users according to their respective profile information. It can protect the users' privacy by means of utilizing XML encryption of the reported information and verifying the user's name and password before reporting his/her profile to service provider. This paper also describes the communication mechanism in the multi-agent system.

关键词： multi-agent systems digital television XML cryptography video recording telecommunication computing multi-agent system DTV digital television programs personal digital recorders PDR personalized private service user viewing behaviors user profile updates user privacy XML encryption communication mechanism

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A hybrid filter for program personalization

A hybrid filter for program personalization

引用

international conference on information technology - coding and computing

作者： Yu, ZW Zhou, XS Xu, WJ Gu, JH Northwestern Polytech Univ Dept Comp Sci & Engn Xian 710072 Peoples R China

ISBN: (纸本)0769519164

The current exponential growth of DTV programs precipitates a need for new filtering techniques to provide program personalization for people. Several filtering methods, notably Boolean filtering and Similarity-based filtering, have been proposed in information filtering. This paper first briefly describes architecture of program personalization, XML based metadata representation, and discusses Boolean and Similarity-based filtering, as well as their advantages and disadvantages. Then a new hybrid filter is proposed. The hybrid filter consists of VSM based filtering, which is a Similarity-based filtering, and XML query filtering, which is a Boolean filtering. This hybrid filter is effective and efficient for program personalization in future DTV with local storage.

关键词： XML digital television video recording meta data Boolean algebra information filters telecommunication computing program personalization DTV programs metadata representation local storage Boolean filtering similarity-based filtering hybrid filter VSM based filtering XML query filtering

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The GENIUS web portal: grid computing made easy

The GENIUS web portal: grid computing made easy

引用

international conference on information technology - coding and computing

作者： Andronico, G Barbera, R Falzone, A Lo Re, G Pulvirenti, A Rodolico, A Ist Nazl Fis Nucl Sezione Catania I-95129 Catania Italy

ISBN: (纸本)0769519164

The architecture and the current implementation of the grid portal GENIUS (Grid Enabled web eNvironment for site Independent User job Submission), jointly developed by INFN and NICE within the context of INFN Grid and DataGrid Projects, is presented and discussed. Particular care is devoted to the description of job submission and monitoring and to transparent access to user's data and applications.

关键词： Grid computing

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On quaternary MacDonald codes

On quaternary MacDonald codes

引用

international conference on information technology - coding and computing

作者： Colbourn, CJ Gupta, MK Arizona State Univ Tempe AZ 85287 USA

This paper studies two families of codes over Z(4), MacDonald codes of type alpha and type beta. The torsion code, weight distribution, and Gray image properties are studied. Some interesting optimal binary codes are ... 详细信息

ISBN: (纸本)0769519164

关键词： information theory

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