anitharajmitts
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I tried high passing image signal in spatial domain and also in FFT domain but Iam not able to reconstruct the signal.In spatial domain the filtered signal is resulting in significant number of zeros but when I take FFT & IFFT Iam not able to reconstruct the signal.in frequency domain Iam getting very less non zero coefficients say 4-5 and I can't reconstruct.What may be my mistake!!. I want to compress FFT signal.