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soumenca authored Apr 11, 2018
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# Image Processing in Matlab
Write a program to implement histogram equalization. Capture a photograph in dark. No light (or less light) should be visible in the photograph. Then, apply your histogram equalization program on all the 3 channels (R,G,B) of your dark image, and show the result.
Write a program to take the same image as input, and apply gamma transformation on all the 3 channels. Show the results for taking (a) gamma as 5 and (b) gamma as 0.2.
Write a program to smoothen a greyscale image by a 3X3 smoothing filter, which emphasizes on the current pixel value, gives lesser weightage to its 4-neighbors and much lesser weightage to the 8-neighbor pixels. Compare the result with median filter.
Write a program to sharpen the same image by (a) gradient and (b) Laplacian and compare the results.
Write a program to transform a greyscale image to frequency domain by Fourier transform. Apply any three low-pass filters on it and transform back each of the results to spatial domain and display the result images.
Write a program to transform a greyscale image to frequency domain by Fourier transform. Apply any three high-pass filters on it and transform back each of the results to spatial domain and display the result images.

1.Write a program to implement histogram equalization. Capture a photograph in dark. No light (or less light) should be visible in the photograph. Then, apply your histogram equalization program on all the 3 channels (R,G,B) of your dark image, and show the result.

2.Write a program to take the same image as input, and apply gamma transformation on all the 3 channels. Show the results for taking (a) gamma as 5 and (b) gamma as 0.2.

3.Write a program to smoothen a greyscale image by a 3X3 smoothing filter, which emphasizes on the current pixel value, gives lesser weightage to its 4-neighbors and much lesser weightage to the 8-neighbor pixels. Compare the result with median filter.

4.Write a program to sharpen the same image by (a) gradient and (b) Laplacian and compare the results.

5.Write a program to transform a greyscale image to frequency domain by Fourier transform. Apply any three low-pass filters on it and transform back each of the results to spatial domain and display the result images.

6.Write a program to transform a greyscale image to frequency domain by Fourier transform. Apply any three high-pass filters on it and transform back each of the results to spatial domain and display the result images.

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