x=imread('pillsetc.png');
imshow(x);
title('Original Image');
a=10
b=10
v=((a^2)+(b^2))^(1/2)
h=eye(v,v)/v
b=imfilter(x,h);
figure,imshow(b)
H=fspecial('unsharp');
sharpened=imfilter(b,H,'replicate');
imshow(sharpened);title('Sharpened Image')

RGB=imread('pillsetc.png');
imshow(RGB);
I=rgb2gray(RGB);
threshold = graythresh(I);
bw=im2bw(I,threshold);
imshow(bw)
bw=bwareaopen(bw,30);
se=strel('disk',2);
bw=imclose(bw,se);
bw=imfill(bw,'holes');
imshow(bw)
bweuler(bw)