imsharpen

Sharpen image using unsharp masking

Syntax

• B = imsharpen(A)
• B = imsharpen(A,Name,Value,...)

Description

B = imsharpen(A) returns an enhanced version of the grayscale or truecolor (RGB) input image A, where the image features, such as edges, have been sharpened using the unsharp masking method.

B = imsharpen(A,Name,Value,...) sharpens the image using name-value pairs to control aspects of unsharp masking. Parameter names can be abbreviated.

Examples

Sharpen Image

Read an image into the workspace and display it.

a = imread('hestain.png');
imshow(a)
title('Original Image');

Sharpen the image using the imsharpen function and display it.

b = imsharpen(a);
figure, imshow(b)
title('Sharpened Image');

Sumber : http://www.mathworks.com/help/images/ref/imsharpen.html