how to calculate the angle of rotated image

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Mahmoud Hassan
Mahmoud Hassan 2018-10-21
回答： KSSV 2018-10-22

If i have an image that is already rotated ... lets say just like the image attached ... how can i calculate the angle of the rotation and rotate the image again to return it to its normal "straight"

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Mahmoud Hassan
Mahmoud Hassan 2018-10-21
bro , my code isn't concerned with what i wanna do now ... if u received this image from a scanner ... how can u rotate this image to make it straight ... and you don't know the angle of rotation

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回答（1 个）

KSSV
KSSV 2018-10-22
I = imread('Empreinte3.bmp') ;
I1 = imrotate(I, 90) ;
imshow(I1) ;

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