Multisensor Processing for Signal Extraction and Applications

Robust Distant Speech Recognition by Combining Multiple Microphone-Array Processing with Position-Dependent CMN

We propose robust distant speech recognition by combining multiple microphone-array processing with position-dependent cepstral mean normalization (CMN). In the recognition stage, the system estimates the spea...

Authors: Longbiao Wang, Norihide Kitaoka and Seiichi Nakagawa

Novel Multistatic Adaptive Microwave Imaging Methods for Early Breast Cancer Detection

Multistatic adaptive microwave imaging (MAMI) methods are presented and compared for early breast cancer detection. Due to the significant contrast between the dielectric properties of normal and malignant bre...

Authors: Yao Xie, Bin Guo, Jian Li and Petre Stoica

Efficient Closed-Loop Schemes for MIMO-OFDM-Based WLANs

The single-input single-output (SISO) orthogonal frequency-division multiplexing (OFDM) systems for wireless local area networks (WLAN) defined by the IEEE 802.11a standard can support data rates up to 54 Mbps...

Authors: Xiayu Zheng, Yi Jiang and Jian Li

Blind Multiuser Detection by Kurtosis Maximization for Asynchronous Multirate DS/CDMA Systems

Chi et al. proposed a fast kurtosis maximization algorithm (FKMA) for blind equalization/deconvolution of multiple-input multiple-output (MIMO) linear time-invariant systems. This algorithm has been applied to...

Authors: Chun-Hsien Peng, Chong-Yung Chi and Chia-Wen Chang

Frequency-Domain Blind Source Separation of Many Speech Signals Using Near-Field and Far-Field Models

We discuss the frequency-domain blind source separation (BSS) of convolutive mixtures when the number of source signals is large, and the potential source locations are omnidirectional. The most critical probl...

Authors: Ryo Mukai, Hiroshi Sawada, Shoko Araki and Shoji Makino

Multisensor Processing Algorithms for Underwater Dipole Localization and Tracking Using MEMS Artificial Lateral-Line Sensors

An engineered artificial lateral-line system has been recently developed, consisting of a 16-element array of finely spaced MEMS hot-wire flow sensors. This represents a new class of underwater flow sensing in...

Authors: Saunvit Pandya, Yingchen Yang, Douglas L. Jones, Jonathan Engel and Chang Liu

Blind Separation of Nonstationary Sources Based on Spatial Time-Frequency Distributions

Blind source separation (BSS) based on spatial time-frequency distributions (STFDs) provides improved performance over blind source separation methods based on second-order statistics, when dealing with signal...

Authors: Yimin Zhang and Moeness G. Amin

Speech Enhancement by Multichannel Crosstalk Resistant ANC and Improved Spectrum Subtraction

A scheme combining multichannel crosstalk resistant adaptive noise cancellation (MCRANC) algorithm and improved spectrum subtraction (ISS) algorithm is presented to enhance noise carrying speech signals. The s...

Authors: Qingning Zeng and WaleedH Abdulla

On Building Immersive Audio Applications Using Robust Adaptive Beamforming and Joint Audio-Video Source Localization

This paper deals with some of the different problems, strategies, and solutions of building true immersive audio systems oriented to future communication applications. The aim is to build a system where the ac...

Authors: J. A. Beracoechea, S. Torres-Guijarro, L. García and F. J. Casajús-Quirós

Fast Iterative Subspace Algorithms for Airborne STAP Radar

Space-time adaptive processing (STAP) is a crucial technique for the new generation airborne radar for Doppler spread compensation caused by the platform motion. We here propose to apply range cell snapshots-b...

Authors: Hocine Belkacemi and Sylvie Marcos

Blind Separation of Acoustic Signals Combining SIMO-Model-Based Independent Component Analysis and Binary Masking

A new two-stage blind source separation (BSS) method for convolutive mixtures of speech is proposed, in which a single-input multiple-output (SIMO)-model-based independent component analysis (ICA) and a new SI...

Authors: Yoshimitsu Mori, Hiroshi Saruwatari, Tomoya Takatani, Satoshi Ukai, Kiyohiro Shikano, Takashi Hiekata, Youhei Ikeda, Hiroshi Hashimoto and Takashi Morita

Multisensor Processing for Signal Extraction and Applications

Authors: Chong-Yung Chi, Ta-Sung Lee, Zhi-Quan Luo, Yue Wang and Kung Yao

Fast Adaptive Blind MMSE Equalizer for Multichannel FIR Systems

We propose a new blind minimum mean square error (MMSE) equalization algorithm of noisy multichannel finite impulse response (FIR) systems, that relies only on second-order statistics. The proposed algorithm o...

Authors: Ibrahim Kacha, Karim Abed-Meraim and Adel Belouchrani