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» On the Processing of Decimated Signals
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ICML
2009
IEEE
16 years 7 months ago
Online dictionary learning for sparse coding
Sparse coding--that is, modelling data vectors as sparse linear combinations of basis elements--is widely used in machine learning, neuroscience, signal processing, and statistics...
Julien Mairal, Francis Bach, Jean Ponce, Guillermo...
ICASSP
2009
IEEE
16 years 1 months ago
Trajectory training considering global variance for HMM-based speech synthesis
This paper presents a novel method for training hidden Markov models (HMMs) for use in HMM-based speech synthesis. The primary goal of HMM parameter optimization is to ensure that...
Tomoki Toda, Steve Young
ICASSP
2009
IEEE
16 years 1 months ago
A PDE characterization of the intrinsic mode functions
For the first time, a proof of the sifting process (SP) and so the empirical mode decomposition (EMD), is given. For doing this, lower and upper envelopes are modeled in a more c...
El-Hadji Samba Diop, R. Alexandre, Abdel-Ouahab Bo...
ICASSP
2009
IEEE
16 years 1 months ago
Wrapping snakes for improved lip segmentation
A key step in the process of lip-reading is determining the shape of the speaker’s lips. This has previously been achieved through an energy method known as “snakes”, howeve...
Matthew Ramage, Euan Lindsay
ICASSP
2009
IEEE
16 years 1 months ago
Segmentation of malaria parasites in peripheral blood smear images
Detection of malaria parasites in stained blood smears is critical for treatment of the disease. Automation of this process will help in reducing the time taken for diagnosis and ...
Vishnu Makkapati, Raghuveer M. Rao