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ICA
2007
Springer
16 years 1 months ago
Discovering Convolutive Speech Phones Using Sparseness and Non-negativity
Discovering a representation that allows auditory data to be parsimoniously represented is useful for many machine learning and signal processing tasks. Such a representation can b...
Paul D. O'Grady, Barak A. Pearlmutter
ISVLSI
2006
IEEE
115views VLSI» more  ISVLSI 2006»
16 years 1 months ago
The Design of Analog Front-End Circuitry for 1X HD-DVD PRML Read Channel
In this paper, the design techniques and considerations for each building block required for analog signal processing in HD-DVD PRML read channel are presented and the procedures ...
Sheng-Jang Lin, I-Shun Chen, Bo-Wei Chen, Feng-Hsi...
FPT
2005
IEEE
127views Hardware» more  FPT 2005»
16 years 18 days ago
Pipelining Saturated Accumulation
Aggressive pipelining allows FPGAs to achieve high throughput on many Digital Signal Processing applications. However, cyclic data dependencies in the computation can limit pipeli...
Karl Papadantonakis, Nachiket Kapre, Stephanie Cha...

Publication
464views
15 years 11 months ago
Fast image and video denoising via nonlocal means of similar neighborhoods
In this note, improvements to the non-local means image denoising method introduced in [2], [3] are presented. The original non-local means method replaces a noisy pixel by the ...
Mona Mahmoudi, Guillermo Sapiro
ICASSP
2010
IEEE
15 years 7 months ago
Hierarchical dictionary learning for invariant classification
Sparse representation theory has been increasingly used in the fields of signal processing and machine learning. The standard sparse models are not invariant to spatial transform...
Leah Bar, Guillermo Sapiro