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Page 69 of 73

  1. We consider the theoretical and practical aspects of locating acoustic sources using an array of microphones. A maximum-likelihood (ML) direct localization is obtained when the sound source is near the array, ...

    Authors: Joe C. Chen, Kung Yao and Ralph E. Hudson

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:926837

    Content type: Research Article

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  2. This paper presents a general method for the integration of distributed microphone arrays for localization of a sound source. The recently proposed sound localization technique, known as SRP-PHAT, is shown to ...

    Authors: Parham Aarabi

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:860465

    Content type: Research Article

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  3. We consider the problem of locating and orienting a network of unattended sensor nodes that have been deployed in a scene at unknown locations and orientation angles. This self-calibration problem is solved by...

    Authors: Randolph L. Moses, Dushyanth Krishnamurthy and Robert M. Patterson

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:839843

    Content type: Research Article

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  4. Autonomous networks of sensor platforms can be designed to interact in dynamic and noisy environments to determine the occurrence of specified transient events that define the dynamic process of interest. For ...

    Authors: David Friedlander, Christopher Griffin, Noah Jacobson, Shashi Phoha and Richard R. Brooks

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:819145

    Content type: Research Article

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  5. We investigate task decomposition and collaboration in a two-tiered sensor network for habitat monitoring. The system recognizes and localizes a specified type of birdcalls. The system has a few powerful macro...

    Authors: Hanbiao Wang, Deborah Estrin and Lewis Girod

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:795089

    Content type: Research Article

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  6. Authors: Kung Yao, Deborah Estrin and Yu Hen Hu

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:794636

    Content type: Research Article

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  7. This paper presents a class of signal processing techniques for collaborative signal processing in ad hoc sensor networks, focusing on a vehicle tracking application. In particular, we study two types of commo...

    Authors: Juan Liu, James Reich and Feng Zhao

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:616720

    Content type: Research Article

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  8. An integral part of any audio-visual speech processing (AVSP) system is the front-end visual system that detects facial-features (e.g., eyes and mouth) pertinent to the task of visual speech processing. The ab...

    Authors: Simon Lucey, Sridha Sridharan and Vinod Chandran

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:821085

    Content type: Research Article

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  9. We propose a new intelligent audio watermarking method based on the characteristics of the HAS and the techniques of neural networks in the DCT domain. The method makes the watermark imperceptible by using the...

    Authors: Hung-Hsu Tsai, Ji-Shiung Cheng and Pao-Ta Yu

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:764030

    Content type: Research Article

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  10. Chebyshev functions, which are equiripple in a certain domain, are used to generate equiripple halfband lowpass frequency responses. Inverse Fourier transformation is then used to obtain explicit formulas for ...

    Authors: Ishtiaq Rasool Khan and Ryoji Ohba

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:573241

    Content type: Research Article

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  11. Physician can obtain fetal heart rate, electrophysiological information, and uterine contraction activity for determining fetal status from an intrauterine catheters electrocardiogram with the maternal electro...

    Authors: Steven L. Horner and William M. Holls III

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:484018

    Content type: Research Article

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  12. The characteristics of impulse bursts in remote sensing images are analyzed and a model for this noise is proposed. The model also takes into consideration other noise types, for example, the multiplicative no...

    Authors: Pertti Koivisto, Jaakko Astola, Vladimir Lukin, Vladimir Melnik and Oleg Tsymbal

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:472580

    Content type: Research Article

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  13. We propose an efficient technique for image restoration based on a genetic algorithm (GA) with an isophote constraint. In our technique, the image restoration problem is modeled as an optimization problem whic...

    Authors: Jong Bae Kim and Hang Joon Kim

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:349873

    Content type: Research Article

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  14. Acoustic emission-based techniques are being used for the nondestructive inspection of mechanical systems. For reliable automatic fault monitoring related to the generation and propagation of cracks, it is imp...

    Authors: Vahid Emamian, Mostafa Kaveh, Ahmed H. Tewfik, Zhiqiang Shi, Laurence J. Jacobs and Jacek Jarzynski

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:248703

    Content type: Research Article

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  15. We present a learning-based approach to the semantic indexing of multimedia content using cues derived from audio, visual, and text features. We approach the problem by developing a set of statistical models f...

    Authors: W. H. Adams, Giridharan Iyengar, Ching-Yung Lin, Milind Ramesh Naphade, Chalapathy Neti, Harriet J. Nock and John R. Smith

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:987184

    Content type: Research Article

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  16. We present a probabilistic model for the retrieval of multimodal documents. The model is based on Bayesian decision theory and combines models for text-based search with models for visual search. The textual m...

    Authors: Thijs Westerveld, Arjen P. de Vries, Alex van Ballegooij, Franciska de Jong and Djoerd Hiemstra

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:985676

    Content type: Research Article

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  17. Information retrieval tasks such as document retrieval and topic detection and tracking (TDT) show little degradation when applied to speech recognizer output. We claim that the robustness of the process is be...

    Authors: James Allan

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:980946

    Content type: Research Article

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  18. This paper proposes a statistical approach to automatic speech summarization. In our method, a set of words maximizing a summarization score indicating the appropriateness of summarization is extracted from au...

    Authors: Chiori Hori, Sadaoki Furui, Rob Malkin, Hua Yu and Alex Waibel

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:980626

    Content type: Research Article

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  19. Accessing information in multimedia databases encompasses a wide range of applications in which spoken document retrieval (SDR) plays an important role. In SDR, a set of automatically transcribed speech docume...

    Authors: Wolfgang Macherey, Hans Jörg Viechtbauer and Hermann Ney

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:863836

    Content type: Research Article

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  20. Authors: Jing Huang, Mukund Padmanabhan and Savitha Srinivasan

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:850208

    Content type: Research Article

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  21. We propose a novel feature selection method based on a variable memory Markov (VMM) model. The VMM was originally proposed as a generative model trying to preserve the original source statistics from training ...

    Authors: Noam Slonim, Gill Bejerano, Shai Fine and Naftali Tishby

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:850172

    Content type: Research Article

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  22. One rapidly expanding application area for state-of-the-art speech recognition technology is the automatic processing of broadcast audiovisual data for information access. Since much of the linguistic informat...

    Authors: Jean-Luc Gauvain and Lori Lamel

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:642019

    Content type: Research Article

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  23. Organizing images into semantic categories can be extremely useful for content-based image retrieval and image annotation. Grouping images into semantic classes is a difficult problem, however. Image classific...

    Authors: Jing Huang, S. Ravi Kumar and Ramin Zabih

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:453751

    Content type: Research Article

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  24. The amount of digital video being shot, captured, and stored is growing at a rate faster than ever before. The large amount of stored video is not penetrable without efficient video indexing, retrieval, and br...

    Authors: Arnon Amir, Savitha Srinivasan and Alon Efrat

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:182545

    Content type: Research Article

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  25. Today′s content-based video retrieval technologies are still far from human′s requirements. A fundamental reason is the lack of content representation that is able to bridge the gap between visual features and...

    Authors: Yu-Fei Ma and Hong-Jiang Zhang

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:141352

    Content type: Research Article

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  26. In this paper, we focus on video programs that are intended to disseminate information and knowledge such as news, documentaries, seminars, etc, and present an audiovisual summarization system that summarizes ...

    Authors: Yihong Gong

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:102838

    Content type: Research Article

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  27. A set of features is evaluated for recognition of musical instruments out of monophonic musical signals. Aiming to achieve a compact representation, the adopted features regard only spectral characteristics of...

    Authors: Giulio Agostini, Maurizio Longari and Emanuele Pollastri

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:943279

    Content type: Research Article

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  28. A concept of robust adaptive beamforming integrating stereophonic acoustic echo cancellation is presented which reconciles the need for low-computational complexity and efficient adaptive filtering with versat...

    Authors: Wolfgang Herbordt, Herbert Buchner and Walter Kellermann

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:714768

    Content type: Research Article

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  29. Wavelet coding has been shown to achieve better compression than DCT coding and moreover allows scalability. 2D DWT can be easily extended to 3D and thus applied to video coding. However, 3D subband coding of ...

    Authors: Christophe Parisot, Marc Antonini and Michel Barlaud

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:670972

    Content type: Research Article

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  30. This paper presents a comparison of some methodologies for the automatic construction of video summaries. The work is based on the simulated user principle to evaluate the quality of a video summary in a way t...

    Authors: Itheri Yahiaoui, Bernard Merialdo and Benoit Huet

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:613895

    Content type: Research Article

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  31. Robust watermarking with oblivious detection is essential to practical copyright protection of digital images. Effective exploitation of the characteristics of human visual perception to color stimuli helps to...

    Authors: Chun-Hsien Chou and Tung-Lin Wu

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:548941

    Content type: Research Article

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  32. Authors: Jean-Luc Dugelay and Kenneth Rose

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:495783

    Content type: Research Article

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  33. This paper presents a new method for the selection of sinusoidal components for use in compact representations of narrowband audio. The method consists of ranking and selecting the most perceptually relevant s...

    Authors: Ted Painter and Andreas Spanias

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:451625

    Content type: Research Article

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  34. We propose to use multiple-description coding (MDC) to protect video information against packet losses and delay, while also ensuring that it can be decoded using a standard decoder. Video data are encoded int...

    Authors: David Comas, Raghavendra Singh, Antonio Ortega and Ferran Marqués

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:418296

    Content type: Research Article

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  35. Motion feature plays an important role in video retrieval. The current literature mostly addresses motion retrieval only by camera motion and global motion of individual video objects in a video scene. In this...

    Authors: Berna Erol and Faouzi Kossentini

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2003:343204

    Content type: Research Article

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  36. This paper proposes a novel adaptive MUD algorithm for a wide variety (practically any kind) of interference limited systems, for example, code division multiple access (CDMA). The algorithm is based on recent...

    Authors: Gábor Jeney, János Levendovszky, László Pap and EC van der Meulen

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:681909

    Content type: Research Article

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  37. This paper proposes a new method for carrying out joint blind equalization and blind estimation of the bit-error-rate (BER) in the output of baud-rate FIR equalizers. A simple test for assessing decision error...

    Authors: João-Batista Destro-Filho

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:520153

    Content type: Research Article

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  38. We address the problem of cancelling a stationary noise component from its static mixtures with a nonstationary signal of interest. Two different approaches, both based on second-order statistics, are consider...

    Authors: Sharon Gannot and Arie Yeredor

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:461084

    Content type: Research Article

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  39. We present an iterative semiblind suboptimal maximum-likelihood sequence estimation (MLSE) method for single-carrier block transmission over stationary multipath channels. This suboptimal ML detector is based ...

    Authors: Olivier Rousseaux, Geert Leus and Marc Moonen

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:434835

    Content type: Research Article

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  40. The recently developed blind adaptive techniques for multiuser detection in code division multiple access (CDMA) systems offer an attractive compromise of performance and complexity. However, the desire to fur...

    Authors: Daryl Reynolds, Anders Høst-Madsen and Xiaodong Wang

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:403931

    Content type: Research Article

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  41. The goal of this paper is to compare the performance of the linear minimum mean square error (MMSE) detector for a class of code division multiple access (CDMA) systems in time and frequency selective channels...

    Authors: Tamer A. Kadous and Akbar M. Sayeed

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:151725

    Content type: Research Article

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  42. Authors: Zhi Ding, Xiaodong Wang and Marco Lops

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:134891

    Content type: Research Article

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