Cropping a particular location of my input

Hi I want to crop this location http://hizliresim.com/jXjR7g or http://hizliresim.com/5L2zjM on my input. I try imcrop but it didn't work can you help me

Answer 1

[KSSV]

YOu have to save the image first....let the image saved be 'test.jpg'. Then follow the below lines. It can be saved. What version you are using? What error you get?

imshow('test.jpg') ;
I = imcrop ;   % draw a rectangle and double click 
imshow(I)

[Elif Erin]

I am currently use 2013b. But I want that program automatically crop this particular point. Because I will try to recognize the brand of the car