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Page 70 of 73

  1. We consider noncoherent multiuser detection techniques for a system employing nonlinear modulation of nonorthogonal signals. Our aim is to investigate near-optimum noncoherent multiuser-detection techniques th...

    Authors: Rajnish Sinha, Aylin Yener and Roy D. Yates

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:821637

    Content type: Research Article

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  2. A downlink receiver is proposed for space-time block coded CDMA systems operating in multipath channels. By combining the powerful RAKE receiver concept for a frequency selective channel with space-time decodi...

    Authors: Sudharman K. Jayaweera and H. Vincent Poor

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:614945

    Content type: Research Article

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  3. SIPEX-G is a fast-converging, robust, gradient-based PCA algorithm that has been recently proposed by the authors. Its superior performance in synthetic and real data compared with its benchmark counterparts m...

    Authors: Deniz Erdogmus, Yadunandana N. Rao, Kenneth E. Hild II and Jose C. Principe

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:567865

    Content type: Research Article

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  4. A unified view of several recently introduced reduced-rank adaptive filters is presented. As all considered methods use Krylov subspace for rank reduction, the approach taken in this work is inspired from Kryl...

    Authors: Sergueï Burykh and Karim Abed-Meraim

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:535098

    Content type: Research Article

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  5. We propose to integrate delay tracking into a successive interference cancellation (SIC) code division multiple access (CDMA) multiuser detector. Delay-robust SIC was initially proposed for CDMA multiuser dete...

    Authors: Wei Zha and Steven D. Blostein

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:463516

    Content type: Research Article

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  6. We first develop a reduced-rank minimum mean squared error (MMSE) detector for direct-sequence (DS) code division multiple access (CDMA) by forcing the linear MMSE detector to lie in a signal subspace of a red...

    Authors: Xiaodong Cai, Hongya Ge and Ali N. Akansu

    Citation: EURASIP Journal on Advances in Signal Processing 2003 2002:356983

    Content type: Research Article

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  7. Loudspeaker equalization is an essential technique in audio system design. A well-known equalization scheme is based on the deconvolution of the desired equalized response with the measured impulse response of...

    Authors: Wee Ser, Peng Wang and Ming Zhang

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:829356

    Content type: Research Article

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  8. The use of visual features in audio-visual speech recognition (AVSR) is justified by both the speech generation mechanism, which is essentially bimodal in audio and visual representation, and by the need for f...

    Authors: Ara V. Nefian, Luhong Liang, Xiaobo Pi, Xiaoxing Liu and Kevin Murphy

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:783042

    Content type: Research Article

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  9. It has been shown that integration of acoustic and visual information especially in noisy conditions yields improved speech recognition results. This raises the question of how to weight the two modalities in ...

    Authors: Martin Heckmann, Frédéric Berthommier and Kristian Kroschel

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:720764

    Content type: Research Article

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  10. We aim at modeling the appearance of the lower face region to assist visual feature extraction for audio-visual speech processing applications. In this paper, we present a neural network based statistical appe...

    Authors: Philippe Daubias and Paul Deléglise

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:720534

    Content type: Research Article

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  11. This study examines relationships between external face movements, tongue movements, and speech acoustics for consonant-vowel (CV) syllables and sentences spoken by two male and two female talkers with differe...

    Authors: Jintao Jiang, Abeer Alwan, Patricia A. Keating, Edward T. Auer Jr. and Lynne E. Bernstein

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:506945

    Content type: Research Article

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  12. Authors: Chalapathy Neti, Gerasimos Potamianos, Juergen Luettin and Eric Vatikiotis-Bateson

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:475826

    Content type: Research Article

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  13. Visual speech recognition is an emerging research field. In this paper, we examine the suitability of support vector machines for visual speech recognition. Each word is modeled as a temporal sequence of visem...

    Authors: Mihaela Gordan, Constantine Kotropoulos and Ioannis Pitas

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:427615

    Content type: Research Article

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  14. We present a new approach to the source separation problem in the case of multiple speech signals. The method is based on the use of automatic lipreading, the objective is to extract an acoustic speech signal ...

    Authors: David Sodoyer, Jean-Luc Schwartz, Laurent Girin, Jacob Klinkisch and Christian Jutten

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:382823

    Content type: Research Article

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  15. There has been growing interest in introducing speech as a new modality into the human-computer interface (HCI). Motivated by the multimodal nature of speech, the visual component is considered to yield inform...

    Authors: Xiaozheng Zhang, Charles C. Broun, Russell M. Mersereau and Mark A. Clements

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:240192

    Content type: Research Article

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  16. Wavelet/wavelet packet decomposition has become a very useful tool in describing nonstationary processes. Important examples of nonstationary processes encountered in practice are cyclostationary processes or ...

    Authors: Sami Touati and Jean-Christophe Pesquet

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:214797

    Content type: Research Article

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  17. Strides in computer technology and the search for deeper, more powerful techniques in signal processing have brought multimodal research to the forefront in recent years. Audio-visual speech processing has bec...

    Authors: Eric K. Patterson, Sabri Gurbuz, Zekeriya Tufekci and John N. Gowdy

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:208541

    Content type: Research Article

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  18. It is often advantageous to track objects in a scene using multimodal information when such information is available. We use audio as a complementary modality to video data, which, in comparison to vision, can...

    Authors: Dmitry N. Zotkin, Ramani Duraiswami and Larry S. Davis

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:162620

    Content type: Research Article

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  19. We describe an audio-visual automatic continuous speech recognition system, which significantly improves speech recognition performance over a wide range of acoustic noise levels, as well as under clean audio ...

    Authors: Petar S. Aleksic, Jay J. Williams, Zhilin Wu and Aggelos K. Katsaggelos

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:150948

    Content type: Research Article

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  20. Stereoscopic image sequence processing has been the focus of considerable attention in recent literature for videoconference applications. A novel Bayesian scheme is proposed in this paper, for the segmentatio...

    Authors: George A. Triantafylllidis, Dimitrios Tzovaras and Michael G. Strintzis

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:940529

    Content type: Research Article

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  21. This paper treats real-time tracking of a human head using an analysis by synthesis approach. The work is based on the Structure from Motion (SfM) algorithm from Azarbayejani and Pentland (1995). We will analy...

    Authors: Jacob Ström

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:873945

    Content type: Research Article

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  22. This paper studies a new method for three-dimensional (3D) facial model adaptation and its integration into a text-to-speech (TTS) system. The 3D facial adaptation requires a set of two orthogonal views of the...

    Authors: Nikos Grammalidis, Nikos Sarris, Fani Deligianni and Michael G. Strintzis

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:764808

    Content type: Research Article

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  23. We discuss two image-based 3D modeling methods based on a multiresolution evolution of a volumetric function′s level set. In the former method, the role of the level set implosion is to fuse ("sew" and "stitch...

    Authors: Augusto Sarti and Stefano Tubaro

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:724138

    Content type: Research Article

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  24. This paper deals with video coding of static scenes viewed by a moving camera. We propose an automatic way to encode such video sequences using several 3D models. Contrary to prior art in model-based coding wh...

    Authors: Franck Galpin and Luce Morin

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:625087

    Content type: Research Article

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  25. This paper presents a novel technique for simplifying a triangulated surface at different levels of resolution. While most existing algorithms, based on iterative vertex decimation, employ the distance for err...

    Authors: Il Dong Yun, Kyowoong Choo and Sang Uk Lee

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:540620

    Content type: Research Article

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  26. In the framework of MPEG-4, one can include applications where virtual agents, utilizing both textual and multisensory data, including facial expressions and nonverbal speech help systems become accustomed to ...

    Authors: Amaryllis Raouzaiou, Nicolas Tsapatsoulis, Kostas Karpouzis and Stefanos Kollias

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:521048

    Content type: Research Article

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  27. This paper presents a novel approach of fingerprint image enhancement that relies on detecting the fingerprint ridges as image regions where the second directional derivative of the digital image is positive. ...

    Authors: Marius Tico, Vesa Onnia and Pauli Kuosmanen

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:327301

    Content type: Research Article

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  28. Estimation of the shape dissimilarity between 3D models is a very important problem in both computer vision and graphics for 3D surface reconstruction, modeling, matching, and compression. In this paper, we pr...

    Authors: In Kyu Park, Kyoung Mu Lee and Sang Uk Lee

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:259192

    Content type: Research Article

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  29. Authors: Michael G. Strintzis, Ferran Marques and Fabio Lavagetto

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:168152

    Content type: Research Article

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  30. The discrete multitone (DMT) modulation/demodulation scheme is the standard transmission technique in the application of asymmetric digital subscriber lines (ADSL) and very-high-speed digital subscriber lines (VD...

    Authors: Tsun-Shan Chan, Jen-Chih Kuo and An-Yeu (Andy) Wu

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:968637

    Content type: Research Article

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  31. The problem of detecting negative weight cycles in a graph is examined in the context of the dynamic graph structures that arise in the process of high level synthesis (HLS). The concept of adaptive negative cycl...

    Authors: Nitin Chandrachoodan, Shuvra S. Bhattacharyya and K. J. Ray Liu

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:952862

    Content type: Research Article

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  32. To enable floating-point (FP) signal processing applications in low-power mobile devices, we propose lightweight floating-point arithmetic. It offers a wider range of precision/power/speed/area trade-offs, but...

    Authors: Fang Fang, Tsuhan Chen and Rob A. Rutenbar

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:945128

    Content type: Research Article

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  33. We present AVSynDEx (concatenation of AVS http://static-content.springer.com/image/art%3A10.1155%2FS1110865702205016/MediaObjects/13634_2001_Article_919_IEq1_HTML.gif SynDEx), a rapid prototyping process aiming to the implementation of digital signal processing...

    Authors: Virginie Fresse, Olivier Déforges and Jean-François Nezan

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:896506

    Content type: Research Article

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  34. Authors: Yuke Wang and Yu Hen Hu

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:680295

    Content type: Research Article

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  35. This article is an introduction to the FRIDGE design environment which supports the design and DSP implementation of fixed-point digital signal processing systems. We present the tool-supported transformation ...

    Authors: Martin Coors, Holger Keding, Olaf Lüthje and Heinrich Meyr

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:647678

    Content type: Research Article

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  36. We develop wavelet engines on a digital signal processors (DSP) platform, the target application being image and intraframe video compression by means of the forthcoming JPEG2000 and Motion-JPEG2000 standards....

    Authors: Stefano Gnavi, Barbara Penna, Marco Grangetto, Enrico Magli and Gabriella Olmo

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:458215

    Content type: Research Article

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  37. In the cable network services, the audio/video entertainment contents should be protected from unauthorized copying, intercepting, and tampering. Point-of-deployment (POD) security module, proposed by

    Authors: Chang Nian Zhang, Hua Li, Nuannuan Zhang and Jiesheng Xie

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:423858

    Content type: Research Article

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  38. This paper presents an iteration space partitioning scheme to reduce the CPU idle time due to the long memory access latency. We take into consideration both the data accesses of intermediate and initial data....

    Authors: Zhong Wang, Edwin Hsing-Mean Sha and Yuke Wang

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:391670

    Content type: Research Article

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  39. Parallel (or block) FIR digital filters can be used either for high-speed or low-power (with reduced supply voltage) applications. Traditional parallel filter implementations cause linear increase in the hardw...

    Authors: Jin-Gyun Chung and Keshab K. Parhi

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:298723

    Content type: Research Article

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  40. This paper presents a CORDIC (coordinate rotation digital computer) algorithm and architecture for the rotation mode in which the directions of all micro-rotations are precomputed while maintaining a constant ...

    Authors: Martin Kuhlmann and Keshab K. Parhi

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:137251

    Content type: Research Article

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  41. Authors: Anand G. Dabak, Erik Dahlman and Giridhar D. Mandyam

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:973145

    Content type: Research Article

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  42. We address the problem of high-data-rate orthogonal frequency division multiplexed (OFDM) systems under restrictive bandwidth constraints. Based on recent theoretic results, multiple-input multiple-output (MIM...

    Authors: John D. Terry, Juha Heiskala, Victor Stolpman and Majid Fozunbal

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:809823

    Content type: Research Article

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  43. Orthogonal frequency division multiplexing (OFDM) is an effective technique for the future 3G communications because of its great immunity to impulse noise and intersymbol interference. The channel estimation ...

    Authors: Xiaowen Wang and K. J. Ray Liu

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:704508

    Content type: Research Article

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  44. This paper deals with synchronous direct-sequence code-division multiple access (CDMA) transmission using orthogonal channel codes in frequency selective multipath, motivated by the forward link in 3G CDMA sys...

    Authors: Samina Chowdhury, Michael D. Zoltowski and J. Scott Goldstein

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:491578

    Content type: Research Article

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  45. We analyze the performance for reverse-link synchronous DS-CDMA system in a frequency-selective Rayleigh fading channel with an imperfect power control scheme. The performance degradation due to power control ...

    Authors: Seung-Hoon Hwang and Duk Kyung Kim

    Citation: EURASIP Journal on Advances in Signal Processing 2002 2002:181597

    Content type: Research Article

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