Description: This article is based on MATLAB GUI for image enhancement associated processing different (color or gray) images, including the following four points: the frequency domain: Fourier transform and discrete cosine transform and inverse transform, the image can be characteristics of airspace on transformed into the frequency domain superimposed noise: the image to add Gaussian noise and salt and pepper noise spatial filtering: the image after adding noise pollution smoothing and sharpening filter under different templates, choose a different template size frequency domain filtering: the image after adding noise pollution ideal low-pass filter, Butterworth low-pass filter, the ideal high-pass filter, Butterworth high-pass filter, band pass filter, band stop filter, can achieve a smooth image effect.
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