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A COMPARISON OF DISCRETE COSINE TRANSFORM USING CHEN'S AND CORDIC ALGORITHM

Author(s):

DUDHAGARA NIKUNJ VALLABHBHAI , ATMIYA INSTITUTE OF TECHNOLOGY AND SCIENCE; POORVI H PATEL, ATMIYA INSTITUTE OF TECHNOLOGY AND SCINECE

Keywords:

CORDIC algorithm, Discrete Cosine Transform (DCT), Chen’s algorithm

Abstract

CORDIC is an acronym for Coordinate Rotation Digital Computer. Efficient generation of trigonometric as well as exponential functions without much increase in hardware complexity has always been a challenge, owing mainly to their importance and widespread use in Digital Signal Processing (DSP) applications besides other areas. One such algorithm which is very much effective for the calculation of trigonometric, hyperbolic, exponential, linear and logarithmic functions is the CORDIC algorithm. The algorithm is very much hardware efficient because it omits the dependence on multipliers and is rather a combination of shift-add operations. Due to the simplicity of involved operation the CORDIC algorithm is well suited for VLSI implementation. This paper compares the different implementation of Discrete Cosine Transform (DCT) using Chen’s and CORDIC algorithm.

Other Details

Paper ID: IJSRDV2I1021
Published in: Volume : 2, Issue : 1
Publication Date: 01/03/2014
Page(s): 62-64

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