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IEEE International Conference on Robotics, Intelligent Systems and Signal Processing, 2003. Proceedings. 2003

8-13 Oct. 2003

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  • Pair digital watermarking based on unsupervised learning

    Publication Year: 2003, Page(s):1250 - 1255 vol.2
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (803 KB) | HTML iconHTML

    A novel technique for the digital watermarking of still color images based on the concept of color space transform, wavelet fusion and image denoising is present. Algorithm transform R,G, B color space to R',G',B' color space firstly, which construct three grey images, then compute the 2Lth-level discrete wavelet decomposition of the three grey images. Embedding watermark fuse a grey image(waterma... View full abstract»

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  • Adaptive system training based on minimum error entropy

    Publication Year: 2003, Page(s):1245 - 1249 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (329 KB) | HTML iconHTML

    Supervised adaptive system learning based on minimum error entropy method is studied in this article. To measure the information contained in error samples, Renyi's entropy is estimated with Parzen windowing. While MEE suffers from the high computational burden, so a segmentation method is brought forward to release it. MLP training base on MEE is derived, and MEE training for signal prediction is... View full abstract»

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  • SAR motion compensation based on signal processing method

    Publication Year: 2003, Page(s):1240 - 1244 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (418 KB) | HTML iconHTML

    For airborne synthetic aperture radar (SAR) without precise measuring systems, signal-processing method can play an important role in motion compensation system. The main ideal is to extract all the necessary motions or Doppler parameters of the aircraft by evaluating the azimuth spectra of the radar raw data. The reflectivity displacement method (RDM) algorithm is described in this paper, and tes... View full abstract»

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  • A kind of embedded control system according to the humanoid robot hand

    Publication Year: 2003, Page(s):954 - 959 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (615 KB) | HTML iconHTML

    In this paper, we put foreword a kind of embedded control system according to the humanoid robot hand based on AT89C2051, from bionics, and designed a kind of construction according to the humanoid robot hand. Then expatriated how to realize five independent adjustable signals of PWM based on a block of 3×5 cm controlling circuit using 89C2051. We have realized that the movement speed is adj... View full abstract»

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  • Force analysis of lumped compliance compliant mechanism with equivalent friction circle method

    Publication Year: 2003, Page(s):1141 - 1145 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (331 KB) | HTML iconHTML

    The lumped compliance compliant mechanism is one of the compliant mechanisms. A new type of 3 DOF translational 3-RRC parallel mechanisms is introduced and is completely changed to a compliant mechanism. This mechanism can be used in micro-displacement manipulator and three-dimension force transducer etc. The relationship between the forces and deformation of the compliant hinge is studied. A new ... View full abstract»

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  • Distance measure system based on new method of determining the 3D position and orientation of object from a single image

    Publication Year: 2003, Page(s):1120 - 1124 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (534 KB) | HTML iconHTML

    In this paper, a distance measure system that based on a new method for determining the three-dimensional orientation of an object using a two-dimensional image is described. In contrast to the traditional methods, the method described here uses four planar lines on the object to match with their projection without the camera's interior parameters. For this method accord with the reality, it has v... View full abstract»

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  • A fMRI data processing method using projection technique

    Publication Year: 2003, Page(s):1235 - 1239 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB) | HTML iconHTML

    Data acquired for a functional magnetic resonance imaging (fMRI) slice are often distorted by head motion. As a result, information regarding task-induced signal changes cannot be correctly extracted. Presented here is a novel technique for performing two-dimensional rigid-body image registration addressing the head motion problem in fMRI. The approach is based on a one-dimensional projection of a... View full abstract»

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  • High performance associative memory neural network

    Publication Year: 2003, Page(s):886 - 891 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (537 KB) | HTML iconHTML

    In this paper a new associative memory neural network is proposed. Neuron state is a vector. A pattern stored in the network with N neurons consists of N second level patterns with M components. Each pattern is stored in a "pattern loop" which is composed of N links. A link consists of "link state" and "inhibited path", the former is used to store second level pattern, and the later to eliminate s... View full abstract»

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  • The outline of AMOEBA, a kind of reconfigurable amoeboid robotic system

    Publication Year: 2003, Page(s):948 - 953 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (636 KB) | HTML iconHTML

    This article presents a conception of a reconfigurable cellular robot series named AMOEBA robots. Constructed with a large number of uniform components and controlled by an artificial neural-network based control system, this kind of robot can be reconfigured to implement appropriate moving mode by learning and evolving to adjust to different environments. Theoretically, it can realize most sorts ... View full abstract»

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  • Conceptual network based courseware organization and navigation

    Publication Year: 2003, Page(s):1288 - 1293 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB) | HTML iconHTML

    We present a conceptual network model for the organization of courseware and the related information. Using the hierarchy and association rules of the concepts, we organize components and courseware episodes as a multi-layer knowledge network, which has a reasonable classification and discloses the complicated interdependent relations among the knowledge. With retrieval based on concept and associ... View full abstract»

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  • Obstacle detection using adaptive color segmentation and planar projection stereopsis for mobile robots

    Publication Year: 2003, Page(s):1097 - 1101 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (518 KB) | HTML iconHTML

    Obstacle detection is a key component of autonomous systems. In this paper, we describe an obstacle detection methodology which combines two complimentary methods: adaptive color segmentation and planar projection stereopsis, This algorithm is particularly suited for environments in which the terrain is relatively flat and of roughly the same color. We show results in applying this method to detec... View full abstract»

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  • The joint behaviors of intelligent agents

    Publication Year: 2003, Page(s):1135 - 1140 vol.2
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (549 KB) | HTML iconHTML

    Joint behaviors widely existing in intelligent systems are important to investigate the cooperation among intelligent agents. In this paper, we put forward a comprehensive and novel model of joint behaviors in support of analysis and design of intelligent systems. The model includes two kinds of joint behaviors, their formal semantics are defined, and important properties are discussed, specified ... View full abstract»

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  • Temporal reasoning based automatic arrhythmias recognition

    Publication Year: 2003, Page(s):1114 - 1119 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (587 KB) | HTML iconHTML

    We proposed a new temporal reasoning based approach to recognise arrhythmias in real time. Arrhythmias are depicted by chronicle models consisting of a set of events linked by temporal constraints restricting the range of the relative delay between their occurrence time. The temporal reasoner, called a chronicle recognition system, achieves arrhythmia by detecting instances of these chronicle mode... View full abstract»

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  • A wavelet approach for rms and harmonics measurements

    Publication Year: 2003, Page(s):1230 - 1234 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (532 KB) | HTML iconHTML

    This paper discusses the subject of root mean square (rms) of voltage or current and harmonic ratio value measurement problem in low voltage electrical apparatus testing system. A wavelet packet transform (WPT) method is introduced as a useful tool for detecting, classifying and quantifying the rms of testing waveform and harmonic ratio value. The proposed approach can measure the distribution of ... View full abstract»

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  • Robust H filter design for the delta operator formulated systems with parameter uncertainty

    Publication Year: 2003, Page(s):1168 - 1173 vol.2
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB) | HTML iconHTML

    This paper is concerned with the problem of robust H filtering for the delta operator formulated discrete-time systems with norm-bound parameter uncertainties in both the state and output matrices. The purpose of this problem addressed is to design a linear filter such that the filtering process is asymptotically stable and the transfer function from the exogenous noise inputs to... View full abstract»

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  • Calculation of a grounding grid in multi-layer medium

    Publication Year: 2003, Page(s):1317 - 1321 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB) | HTML iconHTML

    The complex image method is recently used to calculate accurate grounding parameter of grounding systems with any form in non-homogeneous soil. This paper approaches the algorithm of the complex image method. By applying the concept of symmetry to data processing, computational effort and memory requirements are reduced greatly. Moreover, based on Matlab, the universal program for calculation of g... View full abstract»

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  • Combining rough set theory with neural network theory for pattern recognition

    Publication Year: 2003, Page(s):880 - 885 vol.2
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (488 KB) | HTML iconHTML

    Combination of kinds of artificial intelligence theories in application area of pattern recognition has become one of the most important ways of research of intelligent information processing. Neural network shows us its strong ability to solve complex problems for patter recognition. But neural network can't tell the redundant information from huge amount of data, which will easily lead to some p... View full abstract»

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  • Locomotion planning research for a humanoid robot based on the ZMP

    Publication Year: 2003, Page(s):942 - 947 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB) | HTML iconHTML

    In this paper, we describe the problems of lower limb joint locomotion track planning and upper limb joint angle planning based on the ZMP for a humanoid robot, with present lower limb joint angle formulas. For some lower limb joints, tracks are planned by using some key positions in locomotion. For all upper limb joints and head joints, we use some key angles to plan joint angles. We have analyze... View full abstract»

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  • Research of knowledge chain in intelligent control

    Publication Year: 2003, Page(s):1027 - 1030 vol.2
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB) | HTML iconHTML

    The intelligent robot has become a new research hot spot at present time. The control strategy of robot are important aspects of robot research. Thesis put forward a control method of basing on knowledge driving, and builds the knowledge chain structural model, and introduces knowledge acquisition and knowledge discovery course, and expounds the implementing method of intelligent control system. T... View full abstract»

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  • The design of phase shaped filter in the satellite high-speed transmission and FPGA implementation

    Publication Year: 2003, Page(s):1283 - 1287 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (366 KB) | HTML iconHTML

    This paper introduces the fundamental design principle of phase shaped filter in the satellite high-speed transmission and presents a new design way of high-speed parallel look-up-table in which the high-speed data is processed in parallel. The key technique of the filter implemented by FPGA is discussed in detailed. The project is implemented in the Vietex-E chip of XILINX corporation and proved ... View full abstract»

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  • Terrain aided navigation using PDAF

    Publication Year: 2003, Page(s):1063 - 1068 vol.2
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (454 KB) | HTML iconHTML

    Terrain aided navigation (TAN) is the concept of using terrain height variations below the aircraft to render a position estimate that is used to bound the error in the INS. A new TAN approach using PDAF (probabilistic data association filter) has been proposed to overcome irresolvable ambiguities in the correlation function. The basic idea of this approach is convert correlation function value to... View full abstract»

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  • Face recognition across different poses using a single 2D model view

    Publication Year: 2003, Page(s):721 - 725 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (975 KB) | HTML iconHTML

    The pose problem is a difficult area of face recognition. Until now, we haven't had a good method to tackle the problem. In this paper, a simple fronto-parallel face recovery method is presented, the method is simple and effective, it addresses the computationally expensive problem of current 3-D model pose recovery methods, experiments showed that the method can greatly enhance the recognition ra... View full abstract»

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  • High quality DSP-software development and testing

    Publication Year: 2003, Page(s):1214 - 1218 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (619 KB) | HTML iconHTML

    The users are now expecting higher level of DSP-software quality than ever before. Prevention and detection of defect are critical elements of software quality assurance. In this paper, principles and rules for prevention and detection of defect are suggested, which are not universal guidelines, but are useful for both novice and experienced DSP software developers. View full abstract»

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  • Mobile immune-robot model

    Publication Year: 2003, Page(s):1091 - 1096 vol.2
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (491 KB) | HTML iconHTML

    To overcome the influence of disturbance or harmful information mobile robot meets with under unknown variational environment, immune mechanism was introduced, and artificial immune sub-system was created with immune algorithms in mobile robot model. In this paper, architecture, characteristics and principle of mobile immune-robot model were discussed, and simulation results of mobile-robot immune... View full abstract»

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  • The reachable workspace analysis of a kind of 4-DOF parallel mechanism based on constraints

    Publication Year: 2003, Page(s):799 - 803 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (583 KB) | HTML iconHTML

    Aimed at a novel 4-DOF parallel manipulator, the paper brings forward a grid approach which is based on the inverse kinematics result to get its workspace. The paper analyses the kinematics of this kind of parallel manipulator, brings out the formula of the inverse kinematics, then programs, gives several figures of workspace with different parameters and then analyses it finally. View full abstract»

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