How to apply a filter to an image?
95 vues (au cours des 30 derniers jours)
Afficher commentaires plus anciens
So this is some hints that my professor gave us on our project, and I am stuck on the part where you are suppossed to apply the filter using imfilter.In part C there is the filter we used, that I made into an array, and I don't know how to apply said filter.
0 commentaires
Réponse acceptée
Spectro
le 14 Avr 2020
Modifié(e) : Spectro
le 14 Avr 2020
First you need to declare and read your picture:
img = imread('your_picture.bmp');
If you have already created matrices according to the assignment C - i. And ii. and that would be something like this:
I = [1/9 1/9 1/9;1/9 1/9 1/9;1/9 1/9 1/9];
II = [-1 -1 0;-1 0 1;0 1 1];
Finally, you want to use an imfilter() to filter image separately with created filters (matrices):
filtered_img1 = imfilter(img, I);
filtered_img2 = imfilter(img, II);
And if you want to show filtered images both at the same time:
subplot(121)
imshow(filtered_img1)
subplot(122)
imshow(filtered_img2)
0 commentaires
Plus de réponses (0)
Voir également
Catégories
En savoir plus sur Matched Filter and Ambiguity Function dans Help Center et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!