Sciweavers

ICASSP
2011
IEEE
12 years 11 months ago
How many known symbols are required for linear channel estimation in OFDM?
Training sequences for estimation of channel parameters have been well designed under the condition that the number of the unknown channel parameters is not greater than the numbe...
Shuichi Ohno, Emmanuel Manasseh, Masayoshi Nakamot...
ICASSP
2011
IEEE
12 years 11 months ago
Learning a discriminative visual codebook using homonym scheme
This paper studies a method for learning a discriminative visual codebook for various computer vision tasks such as image categorization and object recognition. The performance of...
SeungRyul Baek, Chang D. Yoo, Sungrack Yun
ICASSP
2011
IEEE
12 years 11 months ago
Signal recovery in shift-invariant spaces from partial frequency data
This paper studies conditions under which a signal can be reconstructed from partial frequency content. We focus on signals in shiftinvariant spaces generated by multiple generato...
Volker Pohl, Yonina C. Eldar
ICASSP
2011
IEEE
12 years 11 months ago
Multiple pitch identification using cochlear-like frequency capture and harmonic grouping
This work addresses the problem of identifying multiple fundamental frequencies in an acoustic signal. An auditoryinspired peripheral signal processing model is proposed that func...
Ramdas Kumaresan, Vijay Kumar Peddinti, Peter Cari...
ICASSP
2011
IEEE
12 years 11 months ago
Stretching, compression and shearing disparity compensated prediction techniques for stereo and multiview video coding
- In multiview video coding, disparity compensated prediction exploits the correlation among different views. A common approach is to use the conventional motion compensated predic...
Ka-Man Wong, Lai-Man Po, Kwok-Wai Cheung, Ka-Ho Ng...
ICASSP
2011
IEEE
12 years 11 months ago
Reduced-hardware digital filter design via joint quantization and multiple constant multiplication optimization
The focus of this paper is to provide a framework for the joint optimization of both the coefficient quantization and multiple constant multiplication (MCM) problems. It is known...
Matthew B. Gately, Mark B. Yeary, Choon Yik Tang
ICASSP
2011
IEEE
12 years 11 months ago
Joint modeling of observed inter-arrival times and waveform data with multiple hidden states for neural spike-sorting
We present a novel, maximum likelihood framework for automatic spike-sorting based on a joint statistical model of action potential waveform shape and inter-spike interval duratio...
Brett Matthews, Mark Clements
ICASSP
2011
IEEE
12 years 11 months ago
Acoustic-phonetic information from excitation source for refining manner hypotheses of a phone recognizer
Reliable acoustic-phonetic (AP) information derived from the speech signal can be used to detect and correct errors in the output of a phone recognizer. In this paper, limited aco...
N. Dhananjaya, B. Yegnanarayana, Suryakanth V. Gan...
ICASSP
2011
IEEE
12 years 11 months ago
Evaluation of objective measures for quality assessment of reverberant speech
In this paper, we evaluate the performance of existing and new objective measures in terms of predicting the quality of reverberant speech and speech enhanced by dereverberation a...
Kostas Kokkinakis, Philipos C. Loizou
ICASSP
2011
IEEE
12 years 11 months ago
Speech enhancement with masking properties in eigen-domain for colored noise
In this paper, we study speech enhancement in eigen-domain. In our previous work on audible noise reduction, we use masking properties of the human auditory system to define the ...
Chang Huai You, Kong-Aik Lee, Cheung Chi Leung