Articles
Scalable Multiresolution Image Segmentation and Its Application in Video Object Extraction Algorithm (with F. Akhlaghian Tab and G. Naghdy), Faculty of Informatics - Papers (2006)
This paper presents a novel multiresolution image segmentation method based on the discrete wavelet transform...
Generalized Williamson and Wallis-Whiteman Constructions for Improved Square Order-8 CO STBCs (with L. C. Tran, T. A. Wysocki, J. Seberry, and S. A. Spence), Faculty of Informatics - Papers (2005)
Constructions of square, maximum rate Complex Orthogonal Space-Time Block Codes (CO STBCs) are well known,...
A half-frequency domain approach for convolutive blind source separation based on Kullback-Leibler divergence (with T. Mei, F. Yin, J. Xi, and J. F. Chicharo), Faculty of Informatics - Papers (2005)
This paper studies the problem of blind separation of convolutive mixtures by means of Kullback-Leibler...
A generalized algorithm for the generation of correlated Rayleigh fading envelopes (with L. C. Tran, T. A. Wysocki, and J. Seberry), Faculty of Informatics - Papers (2005)
Although the generation of correlated Rayleigh fading envelopes has been intensively considered in the literature,...
Scalable multiresolution color image segmentation with smoothness constraint (with F. Akhlaghian Tab and G. Naghdy), Faculty of Informatics - Papers (2005)
This paper presents a multiresolution image segmentation method based on the discrete wavelet transform and...
A Generalized Algorithm for the Generation of Correlated Rayleigh Fading Envelopes in Radio Channels (with L. C. Tran, T. A. Wysocki, and J. Seberry), Faculty of Informatics - Papers (2005)
Although generation of correlated Rayleigh fading envelopes has been intensively considered in the literature, all...
Sketch-based image matching Using Angular partitioning (with A. Chalechale and G. Naghdy), Faculty of Informatics - Papers (2005)
This work presents a novel method for image similarity measure, where a hand-drawn rough black...
Integration of DFT and cosine-modulated filter banks with blind separation of convolutively mixed non-stationary sources (with I. Russell, J. Xi, and J. F. Chicharo), Faculty of Informatics - Papers (2004)
In this paper, oversampled M channel FIR filter banks using both DFT modulation and cosine...
The effect of imperfect carrier recovery on the performance of the diversity antenna selection technique in wireless channels utilizing DSTM (with L. C. Tran and T. A. Wysocki), Faculty of Informatics - Papers (2004)
This paper examines the effect of imperfect carrier phase/frequency recovery at the receiver on...
Multi-modulation schemes to increase the rate space-time block codes in Rayleigh fading channels (with L. C. Tran and T. A. Wysocki), Faculty of Informatics - Papers (2004)
The paper examines multimodulation schemes (MMSs) to increase the rate of our two new complex...
Document image analysis and verification using cursive signature (with A. Chalechale, G. Naghdy, and P. Premaratne), Faculty of Informatics - Papers (2004)
A new approach for document image analysis and verification is presented. The approach utilizes connected...
Blind source separation of nonstationary convolutively mixed signals in the subband domain (with I. Russell, J. Xi, and J. F. Chicharo), Faculty of Informatics - Papers (2004)
The paper proposes a new technique for blind source separation (BSS) in the subband...
Edge image description using angular radial partitioning (with A. Chalechale and G. Naghdy), Faculty of Informatics - Papers (2004)
The authors present a novel approach for image representation based on geometric distribution of edge...
Signature-based document retrieval (with A. Chalechale and G. Naghdy), Faculty of Informatics - Papers (2003)
This paper presents a new approach for document image decomposition and retrieval based on connected...
Sketch-based image retrieval using angular partitioning (with A. Chalechale and G. Naghdy), Faculty of Informatics - Papers (2003)
This paper presents a novel approach for sketch-based image retrieval based on low-level features. The...
A fully SNR, spatial and temporal scalable 3DSPIHT-based video coding algorithm for video streaming over heterogeneous networks (with H. Danyali), Faculty of Informatics - Papers (2003)
Video streaming over heterogeneous networks (e.g. the Internet) requires high degree of scalability from the...
Line segment distribution of sketches for Persian signature recognition (with A. Chalechale), Faculty of Informatics - Papers (2003)
A novel fast method for line segment extraction based on chain code representation of thinned...
MMSE design of redundant FIR precoders for arbitrary channel lengths, Faculty of Informatics - Papers (2003)
The joint design of transmitter and receiver for multichannel data transmission over dispersive channels is...
An extended ACDC algorithm for the blind estimation of convolutive mixing systems (with I. Russell), Faculty of Informatics - Papers (2003)
This paper presents an extension of the ACDC algorithm introduced by Yeredor for the instantaneous...
Improved antenna selection technique to enhance the performance of wireless communications channels (with L. C. Tran and T. A. Wysocki), Faculty of Informatics - Papers (2003)
The combination of space-time codes and a closed loop transmission diversity technique is currently receiving...
Multi-rate and multi-resolution scalable to lossless audio compression using PSPIHT (with M. Raad and I. Burnett), Faculty of Informatics - Papers (2003)
This paper presents a scalable to lossless compression scheme that allows scalability in terms of...
Scalable to lossless audio compression based on perceptual set partitioning in hierarchical trees (PSPIHT) (with M. Raad and I. Burnett), Faculty of Informatics - Papers (2003)
This paper proposes a technique for scalable and also provides for lossless compression. It reduces...
Fully scalable texture coding of arbitrarily shaped video objects (with H. Danyali), Faculty of Informatics - Papers (2003)
This paper presents a fully scalable texture coding algorithm for arbitrarily shaped video object based...
Frame analysis for biorthogonal cosine-modulated filterbanks, Faculty of Informatics - Papers (2003)
This paper addresses the efficient computation of frame bounds for cosine-modulated filterbanks. We derive explicit...
The analysis of speech codecs using psychoacoustic measures (with M. Raad, C. H. Ritz, and I. Burnett), Faculty of Informatics - Papers (2002)
This paper analyses two narrowband speech codecs, the 4.8 kbit/s FS1016 coder and the 8...
Decoding of images using soft-bits and Markov random field modeling (with O. Jamart), Faculty of Informatics - Papers (2002)
We combine soft-bit decoding with Markov random field modeling of source signals and apply the...
Highly scalable image compression based on SPIHT for network applications (with H. Danyali), Faculty of Informatics - Papers (2002)
We propose a highly scalable image compression scheme based on the set partitioning in hierarchical...
Modulated, perfect reconstruction filterbanks with integer coefficients (with T. Karp), Faculty of Informatics - Papers (2002)
We present design methods for perfect reconstruction (PR) integer-modulated filterbanks, including biorthogonal (low-delay) filterbanks. Both...
Frame bounds for biorthogonal cosine-modulated filter banks, Faculty of Informatics - Papers (2002)
We derive explicit expressions for the eigenvalues of the frame operator for cosine-modulated filter banks....
Design of redundant FIR precoders for arbitrary channel lengths based on an MMSE criterion, Faculty of Informatics - Papers (2002)
The joint design of transmitter and receiver for multichannel data transmission over dispersive channels is...
Scalable audio coding employing sorted sinusoidal parameters (with M. Raad and I. Burnett), Faculty of Informatics - Papers (2001)
This paper describes the use of sorted sinusoidal parameters to produce a fixed rate, scalable,...
Boundary filter optimization for segmentation-based subband coding, Faculty of Informatics - Papers (2001)
This paper presents boundary optimization techniques for the nonexpansive decomposition of arbitrary-length signals with multirate...
Boundary filters with maximum coding gain and ideal DC behavior for size-limited paraunitary filter banks, Faculty of Informatics - Papers (2001)
This paper presents boundary optimization techniques for the processing of arbitrary-length signals with paraunitary multirate...
Perfect Reconstruction Integer-modulated Filter Banks (with T. Karp), Faculty of Informatics - Papers (2001)
In this paper, we present design methods for perfect reconstruction (PR) integer-modulated filter banks, including...
Boundary filters for size-limited paraunitary filter banks with maximum coding gain and ideal DC behavior, Faculty of Informatics - Papers (2001)
This paper presents boundary optimization techniques for the processing of arbitrary-length signals with paraunitary multirate...
Boundary filters for segmentation-based subband coding, Faculty of Informatics - Papers (2000)
This paper presents design methods for boundary filters for the processing of finite-length signals....
Memory truncation receivers for transmultiplexers, Faculty of Informatics - Papers (2000)
In this paper, the design of optimal receive filter banks for transmultiplexer-based data transmission over...