Need help with matlab code please.

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2- Add the following three types of noise to 'blood256.GIF' image using imnoise command where, im1=im noise(m, gaussian',0,0.09); m2=imnoise(im, salt & pepper',025); 1m3=im noise(im 'speckle',0 20); im 1s the input clean image and iml,im2,im3 are the output noisy images. eshold ing and hard thresh olding Find the rms error for each case. 2- Add the following three types of noise to 'blood256.GIF' image using imnoise command where, im1=im noise(m, gaussian',0,0.09); m2=imnoise(im, salt & pepper',025); 1m3=im noise(im 'speckle',0 20); im 1s the input clean image and iml,im2,im3 are the output noisy images. eshold ing and hard thresh olding Find the rms error for each case