Sciweavers

5942 search results - page 253 / 1189
» On the Processing of Decimated Signals
Sort
View
ICASSP
2011
IEEE
14 years 9 months ago
High-order center-frequency adaptive filters using block-diagram-based frequency transformation
This paper proposes a simple method of realization of centerfrequency adaptive filters for high-accuracy detection of band-pass signals immersed in a broadband signal. Our method...
Shunsuke Koshita, Yuki Kumamoto, Masahide Abe, Mas...
ICASSP
2009
IEEE
16 years 19 days ago
A nonparametric test for stationarity based on local Fourier analysis
In this paper we propose a nonparametric hypothesis test for stationarity based on local Fourier analysis. We employ a test statistic that measures the variation of time-localized...
Prabahan Basu, Daniel Rudoy, Patrick J. Wolfe
ICASSP
2009
IEEE
16 years 19 days ago
Secure image retrieval through feature protection
This paper addresses the problem of image retrieval from an encrypted database, where data confidentiality is preserved both in the storage and retrieval process. The paper focus...
Wenjun Lu, Avinash L. Varna, Ashwin Swaminathan, M...
ICASSP
2008
IEEE
16 years 10 days ago
Exploiting temporal change of pitch in formant estimation
This paper considers the problem of obtaining an accurate spectral representation of speech formant structure when the voicing source exhibits a high fundamental frequency. Our wo...
Tao T. Wang, Thomas F. Quatieri
ICASSP
2007
IEEE
16 years 6 days ago
A Structural Similarity Metric for Video Based on Motion Models
Quality assessment plays a very important role in almost all aspects of multimedia signal processing such as acquisition, coding, display, processing etc. Several objective qualit...
Kalpana Seshadrinathan, Alan C. Bovik