ImageTake

Extract Image parts WMA link

ImageTake[image, n]

gives the first n rows of image.

ImageTake[image, -n]

gives the last n rows of image.

ImageTake[image, {$r_1$, $r_2$}]

gives rows $r_1$, ..., $r_2$ of image.

ImageTake[image, {$r_1$, $r_2$}, {$c_1$, $c_2$}]

gives a cropped version of image.

Crop to the include only the upper half (244 rows) of an image:

• • alice = Import["ExampleData/MadTeaParty.gif"]; ImageTake[alice, 244]

Now crop to the include the lower half of that image:

• • ImageTake[alice, -244]

Just the text around the hat:

• • ImageTake[alice, {40, 150}, {500, 600}]