20 search results - page 2 / 4 » Partial-spectrum-reconstruction digital filter banks |
ISCAS
1999
IEEE
13 years 9 months ago
1999
IEEE
Abstract-- Two-dimensional (2-D) discrete systems with periodic coefficients are considered for stability. These systems are called periodically shift variant (PSV) digital filters...
ICPR
2006
IEEE
2006
IEEE
Texture Image Retrieval Using Novel Non-separable Filter Banks Based on Centrally Symmetric Matrices
14 years 6 months ago
Though millions of images are stored in a large digital image library today, the user can not access or make full use of these image information unless the digital image library i...
ISCAS
2003
IEEE
13 years 10 months ago
2003
IEEE
The most popular speech feature extractor used in automatic speech recognition (ASR) systems today is the mel frequency cepstral coefficient (mfcc) algorithm. Introduced in 1980,...
TIP
2010
13 years 2 days ago
2010
As an effective method for copyright protection of digital products against illegal usage, watermarking in wavelet domain has recently received considerable attention due to the de...
APCCAS
2006
IEEE
13 years 11 months ago
2006
IEEE
— This paper aims at introducing a new design tool based on polynomial optimization, which can be used to obtain globally optimal designs for stable IIR filters, single-stage an...