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ICASSP
2010
IEEE
13 years 8 months ago
Voice activity detection using harmonic frequency components in likelihood ratio test
This paper proposes a new statistical model-based likelihood ratio test (LRT) VAD to obtain reliable speech / non-speech decisions. In the proposed method, the likelihood ratio (L...
Lee Ngee Tan, Bengt J. Borgstrom, Abeer Alwan
ICC
2007
IEEE
387views Communications» more  ICC 2007»
14 years 3 months ago
LS Channel Estimation for Mobile OFDM Communications on Time-Varying Frequency-Selective Fading Channels
Abstract— A least-squares (LS) channel estimation (CE) technique for mobile OFDM communications over a rapidly timevarying frequency-selective fading channel is investigated in t...
Jia-Chin Lin
WWW
2006
ACM
14 years 9 months ago
Towards practical genre classification of web documents
Classification of documents by genre is typically done either using linguistic analysis or term frequency based techniques. The former provides better classification accuracy than...
George Ferizis, Peter Bailey
CVPR
1997
IEEE
14 years 10 months ago
Representation Of Objects In A Volumetric Frequency Domain With Application To Face Recognition
A novel method for representing 3-D objects that unifies viewer and model centered object representations is presented. A unified 3-D frequency-domain representation (called Volum...
Jezekiel Ben-Arie, Dibyendu Nandy
TOG
2002
118views more  TOG 2002»
13 years 8 months ago
Frequency space environment map rendering
We present a new method for real-time rendering of objects with complex isotropic BRDFs under distant natural illumination, as specified by an environment map. Our approach is bas...
Ravi Ramamoorthi, Pat Hanrahan