research
∙
07/29/2022
Low-Complexity Loeffler DCT Approximations for Image and Video Coding
This paper introduced a matrix parametrization method based on the Loeff...
share
research
∙
07/12/2022
Fast Radix-32 Approximate DFTs for 1024-Beam Digital RF Beamforming
The discrete Fourier transform (DFT) is widely employed for multi-beam d...
research
∙
06/01/2022
Radix-2 Self-Recursive Sparse Factorizations of Delay Vandermonde Matrices for Wideband Multi-Beam Antenna Arrays
This paper presents a self-contained factorization for the Vandermonde m...
research
∙
06/01/2022
Efficient and Self-Recursive Delay Vandermonde Algorithm for Multi-Beam Antenna Arrays
This paper presents a self-contained factorization for the delay Vanderm...
research
∙
08/04/2021
Low-complexity Scaling Methods for DCT-II Approximations
This paper introduces a collection of scaling methods for generating 2N-...
research
∙
08/08/2018
Low-complexity 8-point DCT Approximation Based on Angle Similarity for Image and Video Coding
The principal component analysis (PCA) is widely used for data decorrela...
research
∙
10/30/2017
VLSI Computational Architectures for the Arithmetic Cosine Transform
The discrete cosine transform (DCT) is a widely-used and important signa...
research
∙
10/27/2017
A Single-Channel Architecture for Algebraic Integer Based 8×8 2-D DCT Computation
An area efficient row-parallel architecture is proposed for the real-tim...
research
∙
02/06/2017
A Digital Hardware Fast Algorithm and FPGA-based Prototype for a Novel 16-point Approximate DCT for Image Compression Applications
The discrete cosine transform (DCT) is the key step in many image and vi...
research
∙
09/24/2016
Low-complexity Image and Video Coding Based on an Approximate Discrete Tchebichef Transform
The usage of linear transformations has great relevance for data decorre...
research
∙
06/23/2016
Multiplierless 16-point DCT Approximation for Low-complexity Image and Video Coding
An orthogonal 16-point approximate discrete cosine transform (DCT) is in...
research
∙
05/27/2016
An Orthogonal 16-point Approximate DCT for Image and Video Compression
A low-complexity orthogonal multiplierless approximation for the 16-poin...
research
∙
01/28/2015
A Discrete Tchebichef Transform Approximation for Image and Video Coding
In this paper, we introduce a low-complexity approximation for the discr...
research
∙
01/13/2015