The above image (im) will be used for most labs, click on it for full size.
The aim of this lab session is to introduce you to grey-tone image manipulation techniques such as brightness and contrast adjustment, gamma correction and histogram equalisation.
These grey-tone image manipulation techniques are available on most image manipulation packages, but few people really know how to use these operations effectively.
The above image (im) will be used for most labs, click on it for full size.
Original image and relative histogram
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| im = rgb2gray(im) | figure, imhist(im) |
Image and histogram after equalisation
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| J = histeq(im) | figure, imhist(J) |