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Review of Efficient Discrete Wavelet Filter based CSD Technique
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 151 - Number 10 |
| Year of Publication: 2016 |
| Authors: Naveen Raikwar, Navneet Kaur |
10.5120/ijca2016911926
|
Naveen Raikwar, Navneet Kaur . Review of Efficient Discrete Wavelet Filter based CSD Technique. International Journal of Computer Applications. 151, 10 ( Oct 2016), 29-32. DOI=10.5120/ijca2016911926
Abstract
A two dimensional discrete wavelet transform hardware design based on canonic signed digit (CSD) architecture is presented in this paper. We have proposed canonic signed digit (CSD) arithmetic based design for low complexity and efficient implementation of discrete wavelet packet transform. Canonic signed digit (CSD) technique has been applied to reduce the number of full adders required by 2’s complement based designs architecture. This architecture is suitable for application in high speed online applications. With this use of this architecture design the speed of the wavelet packet transforms will be increased with a factor two but the occupied area of the circuit will be less than double. The hardware utilization efficiency of the circuit will be around 100%.
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