[图书][B] Multidimensional Discrete Unitary Transforms: Representation: Partitioning, and Algorithms

AM Grigoryan, SS Agaian - 2003 - taylorfrancis.com
This reference presents a more efficient, flexible, and manageable approach to unitary
transform calculation and examines novel concepts in the design, classification, and …

Radix-2/spl times/2/spl times/2 algorithm for the 3-D discrete Hartley transform

S Boussakta, OH Alshibami… - IEEE transactions on …, 2001 - ieeexplore.ieee.org
The discrete Hartley transform (DHT) has proved to be a valuable tool in digital signal/image
processing and communications and has also attracted research interests in many …

Comparison study between the Fourier and the Hartley transforms for the real-time simulation of the sea surface elevation

JM Varela, G Rodriguez, CG Soares - Applied Ocean Research, 2018 - Elsevier
The paper presents the results of a comparison study between the Fourier and the Hartley
transforms for the real-time simulation of the sea surface elevation in 3D. Fourier transform s …

A split vector-radix algorithm for the 3-D discrete Hartley transform

S Bouguezel, MO Ahmad… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
In this paper, we propose a three-dimensional (3-D) split vector-radix fast Hartley transform
(FHT) algorithm. The main idea behind the proposed algorithm is that the radix-2/4 approach …

DHT based JPEG image compression using a novel energy quantization method

SK Pattanaik, KK Mahapatra - 2006 IEEE International …, 2006 - ieeexplore.ieee.org
DCT based JPEG is an accepted standard for lossy compression of still image. DHT is a real
valued transform whose forward and inverse transforms are same except for an inclusion of …

New algorithms for multidimensional discrete Hartley transform

Y Zeng, G Bi, AR Leyman - Signal Processing, 2002 - Elsevier
New fast algorithms for multidimensional discrete Hartley transform (MD-DHT) are
presented. Based on the index mapping and multidimensional polynomial transform (PT) …

Updating and computing the geoid using two dimensional fast Hartley transform and fast T transform

ME Ayhan - Journal of Geodesy, 1997 - Springer
In the analyses of 2D real arrays, fast Hartley (FHT), fast T (FTT) and real-valued fast Fourier
transforms are generally preferred in lieu of a complex fast Fourier transform due to the …

Multidimensional vector radix FHT algorithms

S Bouguezel, MNS Swamy… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
In this paper, efficient multidimensional (MD) vector radix (VR) decimation-in-frequency and
decimation-in-time fast Hartley transform (FHT) algorithms are derived for computing the …

fast algorithm for the 3-D discrete Hartley transform

S Boussakta, O Alshibami - 2000 IEEE International …, 2000 - ieeexplore.ieee.org
The application of multidimensional fast transforms to solve problems in image processing,
motion analysis and multidimensional signal processing is growing. The discrete Hartley …

Development of Low Power Image Compression Techniques

SK Pattnaik - 2006 - ethesis.nitrkl.ac.in
Digital camera is the main medium for digital photography. The basic operation performed
by a simple digital camera is, to convert the light energy to electrical energy, then the energy …