CORDIC or CO-ordinate Rotation Digital Computer is a fast, simple, efficient and powerful algorithm used in Digital Signal Processing applications. In this paper, we extend the methodology for designing a low-power area-efficient DCT for image compression using only shift registers, and adders! sub tractors and special interconnections. Through hardware synthesis we proved that shift and add based DCT computation is efficient one over conventional multiplier based approach and finally accuracy was measured by comparing PSNR value of reconstructed image with original image using MATLAB.
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