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CORR
2010
Springer
186views Education» more  CORR 2010»
13 years 10 months ago
Channel Estimation for Opportunistic Spectrum Access: Uniform and Random Sensing
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
Quanquan Liang, Mingyan Liu
MJ
2006
145views more  MJ 2006»
13 years 10 months ago
A design flow for speeding-up dsp applications in heterogeneous reconfigurable systems
In this paper, we propose a method for speeding-up Digital Signal Processing applications by partitioning them between the reconfigurable hardware blocks of different granularity ...
Michalis D. Galanis, Athanasios Milidonis, Athanas...
TASLP
2008
131views more  TASLP 2008»
13 years 10 months ago
Histogram-Based Quantization for Robust and/or Distributed Speech Recognition
Abstract--In a distributed speech recognition (DSR) framework, the speech features are quantized and compressed at the client and recognized at the server. However, recognition acc...
Chia-Yu Wan, Lin-Shan Lee
TCOM
2008
83views more  TCOM 2008»
13 years 10 months ago
Toward a unified framework for modeling and analysis of diversity in joint source-channel coding
The study of Joint Source-Channel Coding (JSCC) systems faces one major challenge in obtaining an analytical expression for the function that links end-to-end distortion with chann...
Andres Kwasinski, K. J. Ray Liu
TCSV
2008
134views more  TCSV 2008»
13 years 10 months ago
Invariant Image Watermarking Based on Statistical Features in the Low-Frequency Domain
Watermark resistance to geometric attacks is an important issue in the image watermarking community. Most countermeasures proposed in the literature usually focus on the problem of...
Shijun Xiang, Hyoung-Joong Kim, Jiwu Huang