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There are 119 papers published in subject: > since this site started. |
Results per page: | 119 Total, 12 Pages | << First < Previous 9 10 11 12 |
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1. INCREMENTAL ON-LINE SKETCHY SHAPE RECOGNITION WITH DYNAMIC MODELING AND RELEVANCE FEEDBACK | |||
Sun Zheng Xing,Wang Qiang,Yin Jian Feng | |||
Mechanics 18 May 2004 | |||
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Abstract:In this paper, we have exploited an original principle of the incremental online sketchy shapes recognition. The recognition process is based on two aspects: the dynamic user modeling and relevance feedback. Firstly, we adopt an dynamic user modeling way to build user models for each specific user in an incremental decision tree and recognize dynamically the ‘possible shapes’ by means of fuzzy matching based on the visiting frequency of each recorded shape of user models. Secondly, we make attempt to bring relevance feedback method into the incremental sketchy recognition to to capture users’ input intends and refine the recognition results incrementally. Experiments prove the proposed method both effective and efficient. | |||
TO cite this article:Sun Zheng Xing,Wang Qiang,Yin Jian Feng. INCREMENTAL ON-LINE SKETCHY SHAPE RECOGNITION WITH DYNAMIC MODELING AND RELEVANCE FEEDBACK[OL].[18 May 2004] http://en.paper.edu.cn/en_releasepaper/content/696 |
2. SVM Incremental Learning Algorithm for Adaptive Sketch Recognition | |||
Sun Zheng Xing,Peng Bin Bin | |||
Mechanics 17 May 2004 | |||
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Abstract:Adaptation is a critical problem in the design of user-centered human-computer interaction systems. In this paper, an SVM-based incremental learning algorithm is presented to solve this problem for sketch recognition, the goal of which is to achieve adaptive sketch recognition. Our algorithm utilizes only the support vectors instead of all the historical samples, and selects some important samples from all newly added samples as training data. The importance of a sample is measured according to its distance to the hyper-plane of the SVM classifier. Theoretical analysis, experimentation, and evaluation of our algorithm in our on-line graphics recognition system are presented to show the effectiveness of this algorithm. According to our experiments, this algorithm can reduce both the training time and the required storage space for the training dataset to a large extent with very little loss of precision. | |||
TO cite this article:Sun Zheng Xing,Peng Bin Bin. SVM Incremental Learning Algorithm for Adaptive Sketch Recognition[OL].[17 May 2004] http://en.paper.edu.cn/en_releasepaper/content/692 |
3. A Framed Temporal Logic Programming Language | |||
zhenhuaDuan,Maciej Koutny | |||
Mechanics 12 May 2004 | |||
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Abstract:We discuss the projection temporal logic(PTL), based on a primitive projection operator,prj. A framing technique is also presented, using which a synchronization operator,await,is defined within the underlying logic. A framed temporal logic programming language(FTLL) is presented. To illustrate how to use both the language and framing technique,some examples are given. | |||
TO cite this article:zhenhuaDuan,Maciej Koutny. A Framed Temporal Logic Programming Language[OL].[12 May 2004] http://en.paper.edu.cn/en_releasepaper/content/668 |
4. Classify Web Document by Genetic Algorithm with Association Rules | |||
Tang Changjie,Zhang Tianqing,Hu Rong,Yuan Chang-an,Chen Anlong | |||
Mechanics 23 March 2004 | |||
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Abstract:Classifying Web Document such as BBS, HTML and e-mail, etc., is an important task for web application. To solve this problem, this paper presents following results: (1) Proposes a new text classification method called Classification by Genetic Algorithm with Association Rules Method (CGAA method). (2) Other than previous work, the fitness function are applied under the guidance of the association rules mined by Apriori_CGAA algorithm. (3) Realizing a family of genetic procedures such as CGAA _Roulette_Selection, CGAA_Xover and CGAA _binaryMutation and giving extensive experiments with real data. (4)The experiment show that the CGAA algorithm is superior to other common methods. A Best-Vector with a score 3513.6 can be achieved after running CGAA algorithm after 50 generations. | |||
TO cite this article:Tang Changjie,Zhang Tianqing,Hu Rong, et al. Classify Web Document by Genetic Algorithm with Association Rules[OL].[23 March 2004] http://en.paper.edu.cn/en_releasepaper/content/522 |
5. Direct Design of Symmetrical Interacting Broader Bandwidth Parallel Diplexers | |||
Zhou Wensheng,Yi-Sheng Zhu | |||
Mechanics 12 March 2004 | |||
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Abstract:Explicit design formulas are given for symmetrical broader bandwidth parallel diplexers, where the diplexer consists of two bandpass channels connected to a common port, and the two bandpass channels with same band width and operating at different center frequencies are derived from same lowpass prototype. The modified element values of the corresponding lowpass prototypes are expanded as power series in well defined band-separation factors separately, and the input admittances of the both channels are expressed as functions of the modified element values. To keep all zero reflection frequencies of the lowpass prototype as corresponding zero reflection frequencies of the corresponding channel, the coefficients for the power series are determined, and the explicit design formulas are given for all modified element values of the lowpass prototypes of the two channels. Meanwhile, additional impedance invertors are used to obtain a parallel realization. | |||
TO cite this article:Zhou Wensheng,Yi-Sheng Zhu. Direct Design of Symmetrical Interacting Broader Bandwidth Parallel Diplexers[OL].[12 March 2004] http://en.paper.edu.cn/en_releasepaper/content/454 |
6. Active Control of Uncertain Chaotic system with Parametric Perturbation | |||
Zhang Hao,XUE Bian-ling,MA Xi-kui | |||
Mechanics 05 March 2004 | |||
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Abstract:This paper presents an active control method for controlling general uncertain chaotic systems with parameters perturbation. And a sufficient condition is drawn for the stability of the controlled chaotic systems and is applied to guiding the design of the controllers. Finally, numerical results are used to show the robustness and effectiveness of the proposed control strategy. | |||
TO cite this article:Zhang Hao,XUE Bian-ling,MA Xi-kui. Active Control of Uncertain Chaotic system with Parametric Perturbation[OL].[ 5 March 2004] http://en.paper.edu.cn/en_releasepaper/content/400 |
7. The Method Research of Signal Compression for Wavelet Packets | |||
Li Guofeng,Yan Jingkun | |||
Mechanics 23 February 2004 | |||
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Abstract:In this paper, we will introduce the method of signal processing using wavelets and wavelet packets. We can also use wavelets and wavelet packets for data analysis, image processing and so on. | |||
TO cite this article:Li Guofeng,Yan Jingkun. The Method Research of Signal Compression for Wavelet Packets[OL].[23 February 2004] http://en.paper.edu.cn/en_releasepaper/content/311 |
8. Investigation on oxidation characteristics at low temperature for primary reference fuels by accelerating rate calorimeter | |||
LÜ Xing-cai,HUANG Zhen | |||
Mechanics 02 February 2004 | |||
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Abstract:omogeneous charge compression ignition (HCCI) combustion exhibits phenomena including self-ignition, two-stage combustion (cool flame and hot flame), and negative temperature coefficient (NTC) behavior. At the same time, the heat release and pressure rise rate at the first-stage play an important role on the total ignition delay and burn rate for overall combustion. N-heptane and iso-octane are primary reference fuels (PRF) for octane rating in internal combustion engines. The oxidation mechanism of fuels has a dominant effect on ignition delay, burn rate, and engine knock-resistant. Based on this background, this paper investigates the oxidation characteristics at low temperature range from 450K to 650K for n-heptane and iso-octane at the pressure of 15bar, and equivalence ratio of 0.52 using accelerating rate calorimeter (ARC). The experimental results show that the initial exothermic reaction can be detected at 180 0C for pure primary reference fuels; the pressure increases | |||
TO cite this article:LÜ Xing-cai,HUANG Zhen. Investigation on oxidation characteristics at low temperature for primary reference fuels by accelerating rate calorimeter[OL].[ 2 February 2004] http://en.paper.edu.cn/en_releasepaper/content/196 |
9. An Efficient Group Key Agreement Protocol Based on GH-Key Exchange Scheme | |||
Mingxing He,Fan Pingzhi | |||
Mechanics 26 October 2003 | |||
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Abstract:In this paper, an efficient group key agreement protocol is proposed based mainly on the 2-party GH key exchange scheme and the intractability of discrete logarithm of finite field GF(pr). . By investigating its implementation complexity, dynamic property and authentication algorithm, it is shown that, compared with the existing DH-based protocols, the new protocol is computationally more efficient and can resist timing attacks The proposed protocol can be used to establish contributory group key for dynamical group communications such as ad-hoc networks. | |||
TO cite this article:Mingxing He,Fan Pingzhi . An Efficient Group Key Agreement Protocol Based on GH-Key Exchange Scheme[OL].[26 October 2003] http://en.paper.edu.cn/en_releasepaper/content/34 |
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