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2010 2nd International Conference on Signal Processing Systems

5-7 July 2010

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  • [Front cover]

    Publication Year: 2010, Page(s): c1
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    Freely Available from IEEE
  • [Front matter]

    Publication Year: 2010, Page(s):i - xix
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    Freely Available from IEEE
  • Kinematics characteristic analysis of the jumping robot

    Publication Year: 2010, Page(s):V1-1 - V1-5
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (381 KB) | HTML iconHTML

    The jumping process of the locusts, Oedaleus infernalis, were captured with a high-speed video camera. The geometrical configurations and motion postures of the locusts during jumping were analyzed, and the jumping parameters of the locusts were gained from the high-speed photographs. The characteristics of the locust during jumping were discussed. The displacement, velocity and acceleration of th... View full abstract»

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  • Compressive sensing radar imaging based on smoothed l0 norm

    Publication Year: 2010, Page(s):V1-6 - V1-9
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (249 KB) | HTML iconHTML

    Compressive sensing techniques have been shown to reduce the number of data samples beyond the Nyquist theorem, achieving perfect reconstruction of the original signal. In this paper, we propose a compressive sensing radar imaging arithmetic based on smoothed l0 norm. Simulation experiments conformed that the arithmetic has faster reconstruct speed and well reconstruct quality compare o... View full abstract»

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  • Error estimate of quadrature sampling system via discrete Hilbert transform

    Publication Year: 2010, Page(s):V1-10 - V1-13
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (268 KB) | HTML iconHTML

    Pulse Doppler radar needs accurate measurement of the quadrature sampling system error for error correction to reduce false alarm rate and improve the clutter suppressing performance and the improvement factor. This paper firstly introduces the discrete Hilbert transform to estimate the relative amplitude error and phase error of quadrature sampling system using coherent testing signal. The error ... View full abstract»

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  • VLSI architecture of defect feature extraction based on wavelet packet in ultrasonic nondestructive test

    Publication Year: 2010, Page(s):V1-14 - V1-17
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB) | HTML iconHTML

    This paper aims at the construction of VLSI architecture of defect extraction based on wavelet packet decomposition. The wavelet packet decomposition for defect feature extraction of ultrasonic signal in nondestructive test is discussed. Based on the features being extracted from decomposed coefficients at different scales and levels, the frame of defect feature extraction is confirmed. The VLSI a... View full abstract»

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  • Stepped-Frequency waveform processing for moving target based on genetic-CLEAN algorithm

    Publication Year: 2010, Page(s):V1-18 - V1-21
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (285 KB) | HTML iconHTML

    Stepped-Frequency waveform (SFW) is a very important type of high range resolution radar signal. A novel processing method for SFW based on genetic algorithm and CLEAN technique is proposed in this paper. The parameters (i.e., position, amplitude and velocity) of a point scatterer can be found by global searching with genetic algorithm. And an iterative CLEAN processing is used to eliminate the ex... View full abstract»

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  • Stistical relax method for super resolution ISAR imaging

    Publication Year: 2010, Page(s):V1-22 - V1-25
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (342 KB) | HTML iconHTML

    An effective statistical method of detecting the scatterers center for super-resolution ISAR imaging is presented. By exploiting the statistics of background noise and clutters, Gaussianity test(GT) is applied to extract the scatterers center in range cells under desired constant false alarm rate(CFAR). Combined with extended Relax algorithm, super resolution ISAR image of target is generated. The... View full abstract»

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  • A ray space interpolation algorithm based on improved dynamic programming

    Publication Year: 2010, Page(s):V1-26 - V1-30
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (800 KB) | HTML iconHTML

    The ray space interpolation is of crucial importance for Free Viewpoint Television (FTV) and it is a key technique to realize the system of FTV. Nowadays, there are two main methods in the ray space interpolation technique. They are ray space slice interpolation and image domain interpolation. This work mainly concentrates on the later. Firstly, this paper introduces the typical image domain inter... View full abstract»

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  • Exploring multiscale interactions between bivariate time series — A BEMD and DTW approach

    Publication Year: 2010, Page(s):V1-31 - V1-35
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (985 KB) | HTML iconHTML

    The coupled relationship and mutual interaction between the global sea surface temperature (SST) and the global sea level (GSL) is one of key questions about global change. However, non-uniform distribution, nonlinearity and complex mechanism make so many uncertainties on the multiscale relationship between them. In this paper, BEMD and DTW methods are combined to investigate the multiscale intera... View full abstract»

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  • A novel wavelet based ICA technique using Kurtosis

    Publication Year: 2010, Page(s):V1-36 - V1-39
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (278 KB) | HTML iconHTML

    We consider the problem of blind audio source separation. A method to solve this problem is blind source separation (BSS) using independent component analysis (ICA). ICA exploits the non-Gaussianity of source in the mixtures. In this paper we propose a new wavelet based ICA method using Kurtosis for blind audio source separation. In this method, the observations are transformed into an adequate re... View full abstract»

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  • 3D face recognition without variable facial expression

    Publication Year: 2010, Page(s):V1-40 - V1-43
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (429 KB) | HTML iconHTML

    We present a method in 3D face recognition without variable expression images in BJUT-3D database. In this paper used central profiles of face as facial features, which eliminate the chin, above hairs and neck. In this method we find a central region of 3D faces and extract diagonal profiles of nose region as individual feature face. The next step compares the profiles to recognize 3D faces. The e... View full abstract»

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  • A robust space-time multiple-beam STAP algorithm

    Publication Year: 2010, Page(s):V1-44 - V1-47
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (270 KB) | HTML iconHTML

    Considering the limited sample support and computational complexity, the traditional localized STAP algorithms restrict adaptive processing in localized processing region and for the most part they have fixed system degrees of freedom (DOF). A new idea about the localized STAP algorithm which adjusting system DOFs adaptively with variable interference environment are presented, and some practical ... View full abstract»

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  • Binary sequences with large family size and high linear complexity for spread spectrum communication systems

    Publication Year: 2010, Page(s):V1-48 - V1-51
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (168 KB) | HTML iconHTML

    Spreading sequences with low correlation, high linear complexity and large family size, in a direct-sequence spread spectrum communication system, help to minimize multiple access interference, increase security degree of system and enlarge user number, respectively. In this paper, a family of binary sequences with 5-valued low correlation, large family size and high linear complexity is presented... View full abstract»

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  • An efficient face detection method

    Publication Year: 2010, Page(s):V1-52 - V1-55
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (455 KB) | HTML iconHTML

    A new human face detection method was proposed in this paper. Firstly, YIQ color model was used as usual to detect possible skin area. And then, edge extracted by using improved Canny algorithm and followed by contour extracting and tracing. Lastly, took advantage of the Q component's character to do the final decision. Experimental results had shown that this was an efficient human face detection... View full abstract»

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  • A note on relationship between algebraic geometric codes and LDPC codes

    Publication Year: 2010, Page(s):V1-56 - V1-58
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (311 KB) | HTML iconHTML

    Low-density parity-check (LDPC) codes constructed by a sparse parity-check matrix are of very fast encoding and decoding algorithms. Another kind of codes, which improved the well-known Gilbert-Varshamov bound, are algebraic geometry codes (Goppa geometry codes) from algebraic curves over finite fields. In the note, we analyze their characteristic of the two class of codes and show that the algebr... View full abstract»

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  • A distributed cross-layer real-time routing in wireless sensor networks

    Publication Year: 2010, Page(s):V1-59 - V1-62
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (261 KB) | HTML iconHTML

    Increasing transmission power is an effective way to improve real-time data delivery in wireless sensor networks. On the other hand, increased power will also incur more interference though it can improve the link quality to increase real-time communication. So there is a tradeoff between interference and delay. In this paper, we consider a distributed cross-layer routing mechanism to try to find ... View full abstract»

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  • New threshold and shrinkage function for shipborne radar echo signal denoising based on wavelet transforms

    Publication Year: 2010, Page(s):V1-63 - V1-65
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (234 KB) | HTML iconHTML

    In order to denoise shipborne radar (9 GHz pulse radar) echo signal in distortion-free, smooth, and less loss, a new threshold and shrinkage function are proposed in this paper based on the Multi-analysis wavelet threshold denosing. The denoising effects of different shrinkage function for shipborne radar echo signal were compared. The results of experiment show that better SNR and similarity and ... View full abstract»

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  • Classification of MPSK signals using M-bands wavelet and high-order cumulants

    Publication Year: 2010, Page(s):V1-66 - V1-69
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (237 KB) | HTML iconHTML

    A new algorithm based on wavelet transform and high order cumulants is proposed for classification of MPSK signals. Compared with other existing algorithms, the proposed algorithm reduces the effect of additive Gaussian noise and multiplicative noise, therefore be of more generality. Theoretical analysis and computer simulation justify the effectiveness of our approach. View full abstract»

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  • A digital baseband recorder for radio pulsar observations

    Publication Year: 2010, Page(s):V1-70 - V1-73
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (454 KB) | HTML iconHTML

    Using the Kunming 40-m radio telescope at Yunnan Observatory, a Pulsar coherent de-dispersion experiment has been carried out, which uses a dual polarization receiver operating at s-band and a VLBA back-end: Mark5B+, whose highest sampling rate is 64 MHz. The data processing system is based on the C programs on Linux. Some pulsar profiles had been carried out using the DBBC and Mark5B+ record syst... View full abstract»

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  • A novel multiple exposure merging method for high dynamic range image generation

    Publication Year: 2010, Page(s):V1-74 - V1-77
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (435 KB) | HTML iconHTML

    Multiple exposure-based methods have been an effective means for high dynamic range (HDR) imaging technology. However, current methods are greatly dependent on the estimation of scene irradiance and with huge computation. This work presents a novel HDR method based on the image partition and merging strategy. In the algorithm, all the images with various exposure times are firstly divided into som... View full abstract»

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  • Anti-jamming filtering for DRFM repeat jammer based on stretch processing

    Publication Year: 2010, Page(s):V1-78 - V1-82
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (276 KB) | HTML iconHTML

    This paper addresses issues about the rejection of false jammer targets in the presence of digital radio frequency memory (DRFM) repeat jammer. An anti-jamming filtering technique is proposed that it can eliminate this type of jamming signal. By using a stretch processing with a particular selected reference signal, the presented method can fully separate the echoes being reflected from the true t... View full abstract»

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  • A frame skipping transcoding method based on optimum frame allocation in sliding window

    Publication Year: 2010, Page(s):V1-83 - V1-86
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (289 KB) | HTML iconHTML

    Frame skipping function in video transcoding emerges as a significant research area for the telecommunication and multimedia applications. In this paper, a novel frame skipping transcoding scheme is proposed, which meets the needs of fixed frame rate, good encoding quality, and small frame rate fluctuation. Based on the proposed sliding window architecture, the transcoder can achieve an even distr... View full abstract»

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  • MBIST design and implementation of a H.264/AVC video decoder chip

    Publication Year: 2010, Page(s):V1-87 - V1-90
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (328 KB) | HTML iconHTML

    This paper implemented MBIST in a H.264/AVC video decoder chip, Neptune. Neptune has 1.5 million gates, 37 memory blocks. In need of testing, a complete design for test should be done. This paper mainly designed and implemented Memory BIST targeting the 34 RAM block, except the 3 ROM blocks. The design included building design flow, choosing algorithm, generating background data and BIST controlle... View full abstract»

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  • A kind of identification method of geometric parameters for forest fire

    Publication Year: 2010, Page(s):V1-91 - V1-94
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (353 KB) | HTML iconHTML

    Forest fire is a kind of natural disaster with devastating effect on the ecological environment of the earth. In order to obtain the wildfire information in the fire scene in time and improve firefighters' efficiency to suppress the fire, the digital information about the forest fire which can exactly depict the fire behavior is very important for the fire-fighting department to give a correct ext... View full abstract»

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