International Journal of Engineering and Technology

The FFT is commonly used essential tool in digital signal processing applications .The adders used in Conventional Fast Fourier transform(FFT) are no longer appropriate for the reason that of its degraded rapidity concert. There are many dissimilar kinds of fast adders such as Carry Select Adder, Carry Save Adder and Carry Look Ahead Adder have been used for Fast Fourier Transform. However, there are always some quality loss in image and high processing time, when used in Digital image processing. The proposed FFT using the proposed fast adder is potential solution to this problem. When related to traditional equivalents, the Proposed FFT can attain less processing time, superiority loss to the digital image in our proposed FFT is insignificant.