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ICASSP
2008
IEEE
16 years 1 months ago
Audio authentication based on distributed source coding
Audio authentication is important in content delivery via untrusted intermediaries, for example peer-to-peer (P2P) file sharing. Many differently encoded versions of the original...
David P. Varodayan, Yao-Chung Lin, Bernd Girod
ICASSP
2008
IEEE
16 years 1 months ago
A detection algorithm for zero-quantized DCT coefficients in JPEG
The discrete cosine transform (DCT) is widely used in image/video coding standards. However, since most DCT coefficients will be quantized to zeros, a large number of redundant co...
Jin Li, Jarmo Takala, Moncef Gabbouj, Hexin Chen
ICASSP
2008
IEEE
16 years 1 months ago
A study of using locality preserving projections for feature extraction in speech recognition
This paper presents a new approach to feature analysis in automatic speech recognition (ASR) based on locality preserving projections (LPP). LPP is a manifold based dimensionality...
Yun Tang, Richard Rose
ICASSP
2008
IEEE
16 years 1 months ago
Minimum variance multiplexing of multimedia objects
This paper addresses the problem of simultaneous transmission of multiple multimedia objects (such as images or video sequences) over a bandwidth-limited channel. The trivial stra...
Giuseppe Valenzise, Marco Tagliasacchi, Stefano Tu...
ICASSP
2008
IEEE
16 years 1 months ago
A new mutual information measure for independent component alalysis
Independent component analysis (ICA) is a popular approach for blind source separation (BSS). In this study, we develop a new mutual information measure for BSS and unsupervised l...
Jen-Tzung Chien, Hsin-Lung Hsieh, Sadaoki Furui
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