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A NEW RECURSIVE FORMULATION FOR 2-D WHT Ayman Elnaggar Mokhtar Aboelaze
 

Summary: A NEW RECURSIVE FORMULATION FOR 2-D WHT
Ayman Elnaggar Mokhtar Aboelaze
Department of Information Engineering,
Sultan Qaboos University, P.O. Box 33,
Muscat, Oman 123
Department of Computer Science,
York University, Toronto, Ontario,
Canada M3J 1P3
ABSTRACT
This paper presents a new recursive formulation for computing
the Walsh-Hadamard Transform (WHT) that allows the
generation of higher order (longer size) 2-D WHT architectures
from four lower order (shorter sizes) WHT architectures. Our
methodology is based on manipulating tensor product forms so
that they can be mapped directly into modular parallel
architectures. The resulting WHT circuits have very simple
modular structure and regular topology.
1. INTRODUCTION
The Walsh-Hadamard Transform (WHT) has been used in many
DSP, image, and video processing applications such as filter

  

Source: Aboelaze, Mokhtar - Department of Computer Science, York University (Toronto)

 

Collections: Computer Technologies and Information Sciences