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2011 3rd International Conference on Awareness Science and Technology (iCAST)

Date 27-30 Sept. 2011

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Displaying Results 1 - 25 of 114
  • Author index

    Publication Year: 2011, Page(s):1 - 8
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  • Organizing Committees

    Publication Year: 2011, Page(s):1 - 4
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  • [Copyright notice]

    Publication Year: 2011, Page(s): 1
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  • [Front cover]

    Publication Year: 2011, Page(s): c1
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  • Information infrastructure for innovative product design in SCM using semantic TRIZ

    Publication Year: 2011, Page(s):1 - 6
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (619 KB) | HTML iconHTML

    Supply chain management (SCM) is a promising management strategy in enterprises for knowledge management, electronic (e-) business and commerce. In the supply chain process, the initial product planning and design stages play a crucial role in saving money and time in the production process. In particular, innovative design for improving a product makes enterprises more competitive. Innovation can... View full abstract»

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  • Dynamic noise reduction algorithm based on time-variety filter

    Publication Year: 2011, Page(s):7 - 10
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (698 KB) | HTML iconHTML

    In this paper, a new dynamic noise reduction algorithm is proposed based on time-variety filter (TVF), which can be implemented in both time and modified discrete cosine transform (MDCT) domain. In time domain, an IIR filter with changeable bandwidth is for the TVF. In frequency domain, combined with MDCT transform, the noise is suppressed in MDCT domain. A few experiment results reveal that the a... View full abstract»

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  • Research of air defense target assignment for warship formation based on MAS

    Publication Year: 2011, Page(s):11 - 14
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (569 KB) | HTML iconHTML

    On the background of air defense war for warship formation with the modern information environment, a Multi-agent System(MAS) model of air defense target assignment for warship formation is proposed by means of the MAS theory and method. An optimization algorithm based on Genetic Algorithm(GA) is used to solve this model, therefore provide a new way for the decision of air defense target assignmen... View full abstract»

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  • A situation aware framework for activity based risk analysis of patient monitoring system

    Publication Year: 2011, Page(s):15 - 19
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (710 KB) | HTML iconHTML

    This paper presents a conceptual architecture of activity based risk analysis for monitoring the health status of the patients in their residence. By incorporating the patient records and medical domain knowledge, it will be easy to detect and prevent accidental events immediately even if the patient is not in the hospital. Data are collected using wearable sensors and transmitted to server using ... View full abstract»

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  • A novel framework for low-light colour image enhancement and denoising

    Publication Year: 2011, Page(s):20 - 23
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (786 KB) | HTML iconHTML

    This article describes a novel framework for low-light colour image enhancement and denoising. To avoid influences from different colour channels, noise reduction and brightness/contrast enhancement are performed in different colour spaces. In the HSI space, the Bilateral filter is used for illumination- and reflection-component separation, and is effective for edge-preservation, halo removal and ... View full abstract»

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  • A snoring detector for OSAHS based on patient's individual personality

    Publication Year: 2011, Page(s):24 - 27
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (596 KB) | HTML iconHTML

    A conventional diagnostic tool for assessing Obstructive Sleep Apnea Hypopnea Syndrome (OSAHS) is polysomnography (PSG), which is expensive and uncomfortable for patients. It is an important and urgent topic to find a non-invasive and low-cost diagnostic approach for OSAHS detection. Recently, the snore signal analysis receives much attention due to its potential capability for OSAHS detection. In... View full abstract»

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  • Capon beamformer for acoustic vector sensor arrays using biquaternions

    Publication Year: 2011, Page(s):28 - 31
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (902 KB) | HTML iconHTML

    Using an acoustic vector sensor array, adaptive beamforming is addressed based on hypercomplex algebra. To utilize the minimum-variance distortionless response beamforming in the biquaternion domain, a variant of Capon beamformer named Biquaternion Capon (BQ-Capon) is proposed. Simulations show that the BQ-Capon beamformer outperforms the conventional long vector Capon beamformer with the converge... View full abstract»

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  • Human body segmentation in a static image with multiscale superpixels

    Publication Year: 2011, Page(s):32 - 35
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (985 KB) | HTML iconHTML

    In this work, we propose a new method for human body accurate detection in a static image with multiscale superpixels. The main contribution of this work is as follows: (1) A new framework for human body accurate detection using multiscale superpixels and classifier with autothreshold is proposed. (2) Some effective constraints for human body detection are given. Experimental results show the fram... View full abstract»

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  • A sub-pixel edge detection approach based on orthogonal moment

    Publication Year: 2011, Page(s):36 - 39
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (914 KB) | HTML iconHTML

    Edge detection with sub pixel accuracy is a vital step of vision measurement technology. In this paper, a novel sub-pixel edge detecting algorithm based on orthogonal moment is proposed. The proposed approach locates the edge points with different method for different edges. For the ideal edges, it uses the orthogonal moment based method, and for the blurred edges, the centroid based method is use... View full abstract»

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  • Fast fixed-point algorithm for blind separation of nonlinear autocorrelation and non-Gaussian sources

    Publication Year: 2011, Page(s):40 - 45
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2208 KB) | HTML iconHTML

    Blind source separation (BSS) problem is often solved by using only one statistical property of original sources. In this work, a method combines non-Gaussianity and nonlinear autocorrelation for the BSS problem, which extends the previous BSS situation, is presented.We propose a fast fixed-point algorithm for BSS with nonlinear autocorrelation and non-Gaussianity in this paper. Our algorithm obta... View full abstract»

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  • An improved secure communication based on random phase encoding technique

    Publication Year: 2011, Page(s):46 - 50
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2120 KB) | HTML iconHTML

    An improved mixed cryptosystem is presented by combining both random phase encoding technique based chaos and public key cryptography. The scheme provides not only good robustness of random phase encoding technique, but also a new solution of key distribution for symmetric cryptography algorithms. In additions, computer simulation is illustrated in detail. The tolerance to data loss of the encoded... View full abstract»

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  • Electromagnetism-like algorithm without local search on PAPR reduction for OFDM

    Publication Year: 2011, Page(s):51 - 56
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (940 KB) | HTML iconHTML

    EM-PTS algorithm (electromagnetism-like partial transmit sequences) can effectively reduce the PAPR (peak-to-average power ratio) of the OFDM (orthogonal frequency-division multiplexing) signal, however, it requires local search to gather the neighborhood information for the sampled particles, which increases the computational complexity of EM-PTS algorithm. In this paper, we propose a novel EM-PT... View full abstract»

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  • FIESTO: An ontology-based method to control devices using natural language

    Publication Year: 2011, Page(s):57 - 62
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1068 KB) | HTML iconHTML

    With the recent rapid growth of science and technology, various kinds of electronic devices are frequently used in people's daily life. Traditionally, graphical user interfaces are always applied in most of the electronic devices. However, it is inconvenient to use them while functions contained in devices become more complicated for some people, especially those without professional knowledge or ... View full abstract»

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  • Height measurements of moving people based on single camera

    Publication Year: 2011, Page(s):63 - 67
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (855 KB) | HTML iconHTML

    This work presents a method for height measurements of moving objects based on rubust tracking. At first, we compute vanishing line of the ground plane and the vertical vanishing point using three vertical poles. Secondly, tracking of multiple people is performed by graph cuts. Then, the head feature points and the feet feature points are extracted in each frame of video sequences, and obtain heig... View full abstract»

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  • Kunming city mainline one-way green wave coordinated control technology

    Publication Year: 2011, Page(s):68 - 71
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (639 KB) | HTML iconHTML

    For the characters of the City of Kunming' trunk road, this paper proposed a model of one-way green wave coordination control based on fuzzy neural network, from the optimization of the cycle, offset and split of intersections. At last the simulation shows the proposed method can reduce the queue length and vehicle delay very well. View full abstract»

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  • Research on the traffic control and organization coordinate applications of reversible lanes

    Publication Year: 2011, Page(s):72 - 75
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (835 KB) | HTML iconHTML

    Paper introduces the type of reversible lanes technology briefly and discusses the fundamentals of reversible lanes technology in two aspects: road conditions and traffic flow characteristics. Based on the internal relationship between reversible lanes and traffic control, also puts forward the framework for reversible lanes and intersection signal control linkage control optimization, mainly rese... View full abstract»

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  • Spatial multiple materials detection in hyperspectral imagery

    Publication Year: 2011, Page(s):76 - 80
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1227 KB) | HTML iconHTML

    Nowadays the detection in space environment is definitely a hot spot in the whole world. Developing the technique of multiple materials detection makes great sense. In this paper, we propose an algorithm for spatial multiple materials detection in hyperspectral images. The detection problem is a semi-blind signal extraction problem. As the prior knowledge, the spectra of target materials are known... View full abstract»

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  • Information recycling for social creativity

    Publication Year: 2011, Page(s):81 - 88
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1158 KB) | HTML iconHTML

    Social brainstorming has become a popular group creativity technique to create a large number of ideas for solving problems. The social computing, for its advance in information processing and network communication, collaborates the social intelligence and enhances the social creativity in brainstorming. However, facing the dilemma of quantity deficiency in idea pondering or quality submergence in... View full abstract»

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  • A study on broadcasting and telecom convergence service usage index

    Publication Year: 2011, Page(s):89 - 93
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (291 KB) | HTML iconHTML

    The progress of digital technology has helped the emergence of new services with the following technical realization: fixed mobile convergence, VoIP(Voice over Internet Protocol), and broadcasting/telecom convergence. As a result, there is a need for measures to invigorate the use of broadcasting and telecom convergence service through quantitative assessment on the level of utilization and perfor... View full abstract»

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  • Optimizing and modeling of gas scheduling system in iron and steel enterprises

    Publication Year: 2011, Page(s):94 - 98
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (733 KB) | HTML iconHTML

    As the important secondary energy in iron and steel enterprises, the reasonable selection of scheduling model and optimization method of gas is significant for the reduction of gas diffusion and the increase of economic benefits. Considering the production status of an iron and steel enterprise in Hebei Province, a gas scheduling model is derived. Based on this model, a relatively optimal scheduli... View full abstract»

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  • Joint POCS method with compressive sensing theory for super-resolution image reconstruction

    Publication Year: 2011, Page(s):99 - 102
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (764 KB) | HTML iconHTML

    In this paper, we propose to improve the traditional projection onto convex sets (POCS) super-resolution reconstruction (SRR) method by combining a newly-developed compressive sensing (CS) theory. This compressive sensing theory is more recently adapted to super-resolution reconstruction. The only requirement is that the image is known to be sparse, which is a specific but very general and wide-sp... View full abstract»

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