ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
Sharpness is one of the most determining factors in the perceptual assessment of image quality. Objective image sharpness measures may play important roles in the design and optim...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
— In this paper, we present design methods to optimize nonlinear phase functions of Generalized DFT (GDFT) for minimized auto and cross correlations. It is shown that GDFT offers...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
In this paper, we propose a kernel backprojection method for computed tomography. The classical backprojection method estimates an unknown pixel value by the summation of the proj...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
Ambient Inteligence aims to create smart spaces providing services in a transparent and non-intrusive fashion, so context awareness and user adaptation are key issues. Speech can ...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
We consider the problem of estimating a deterministic sparse vector x0 from underdetermined measurements Ax0 + w, where w represents white Gaussian noise and A is a given determin...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
In this paper, we investigate imposture using synthetic speech. Although this problem was first examined over a decade ago, dramatic improvements in both speaker verification (S...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
—With increasing spatial reuse of the radio spectrum, co-channel interference is becoming a dominant noise source and may severely degrade the communication performance of wirele...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
The global and fine dynamic components of a pitch contour in voice production, as in the speaking and singing voice, are important for both the meaning and character of an utteran...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
The extraction of local tempo and beat information from audio recordings constitutes a challenging task, particularly for music that reveals significant tempo variations. Further...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
This paper addresses the problem of developing appropriate features for use in direct modeling approaches to speech recognition, such as those based on Maximum Entropy models or S...