756 search results - page 135 / 152 » Quantization of Sparse Representations |
MM
2010
ACM
13 years 7 months ago
2010
ACM
This paper presents a method to render artistic paper-cut of human portraits. Rendering paper-cut images from photographs can be considered as an inhomogeneous image binarization ...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
We propose a new method for imaging sound speed in breast tissue from measurements obtained by ultrasound tomography (UST) scanners. Given the measurements, our algorithm finds a...
CGF
2008
13 years 7 months ago
2008
The visibility function in direct illumination describes the binary visibility over a light source, e.g., an environment map. Intuitively, the visibility is often strongly correla...
JCNS
2008
13 years 7 months ago
2008
Information theoretical approaches to sensory processing in electric fish have focused on the encoding of amplitude modulations in a single sensory pathway in the South American gy...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
— This paper introduces an expectation-maximization (EM) algorithm within a wavelet domain Bayesian framework for semi-blind channel estimation of multiband OFDM based UWB commun...