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ICASSP
2011
IEEE
13 years 11 days ago
A design procedure for oversampled nonuniform filter banks with perfect-reconstruction
We describe a time-domain procedure for designing the synthesis filters of perfect-reconstruction oversampled filter banks. A condition matrix is derived from the basic magnitud...
Mohamed F. Mansour
ISCAS
2008
IEEE
110views Hardware» more  ISCAS 2008»
14 years 3 months ago
Distortion calculation of an asynchronous switching xDSL line-driver
Abstract—Since the xDSL specifications impose stringent linearity requirements to ensure the integrity of the data transferred, current line drivers use linear amplifiers. The do...
Vincent De Gezelle, Jordie Buyle, Jan Doutreloigne
ICASSP
2007
IEEE
14 years 3 months ago
A New Rotation Search for Dependent Rate-Distortion Optimization in Video Coding
We present a novel search algorithm which is suitable for optimizing functions with a high-dimensional discrete-valued parameter vector. The algorithm is designed to find a funct...
Tuukka Toivonen, Loren Merritt, Ville Ojansivu, Ja...
ICIP
2007
IEEE
14 years 3 months ago
Rate-Distortion Analysis and Bit Allocation Strategy for Motion Estimation at the Decoder using Maximum Likelihood Technique in
Numerous approaches for distributed video coding have been recently proposed. One of main motivations for these techniques is the possibility of achieving complexity tradeoffs bet...
Ivy H. Tseng, Antonio Ortega
TIP
2010
152views more  TIP 2010»
13 years 7 months ago
Rate-Distortion Optimized Bitstream Extractor for Motion Scalability in Wavelet-Based Scalable Video Coding
—Motion scalability is designed to improve the coding efficiency of a scalable video coding framework, especially in the medium to low range of decoding bit rates and spatial re...
Meng-Ping Kao, T. Q. Nguyen