How to extract certain pixels from an image and reshape to plot?

Question

Jun FAN 2019-7-9

回答： Jyotsna Talluri 2019-7-26

Dear Matlab friends,

I have an image example:

Does anybody know how to extract the pixels for the right corner with certain shape and replot it in a rotated fashion? Something as follows:

It'll be good to get it done by Matlab in an antomatic way as I have a large batch of images like this to be processed.

Any help will be much appreciated.

Thanks in advance.

Jun

Answer 1

Jyotsna Talluri 2019-7-26

Hi,

You can directly crop the required part of the image by using the imcrop() function

Specify the required size and the position of the cropped region in terms of spatial coordinates.

Refer to this link below for imcrop() function

The function in the below link provides the code which rotates the image by the specified angle with automatic cropping of black corners.