Image analysis for Signal processing help
2 vues (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Gucci
le 1 Mai 2022
Réponse apportée : Sulaymon Eshkabilov
le 1 Mai 2022
Hello,
I have an image
How can I select a region of this image to crop out a 10x10 region of pixels and then display this on a figure window?
After this how can I perform a Discrete Cosine Transform (2D DCT) on it
and obtain the DCT coefficient values?
Thank you
0 commentaires
Réponse acceptée
Sulaymon Eshkabilov
le 1 Mai 2022
Use imcrop()
How to use this function: >> doc imcrop
0 commentaires
Plus de réponses (1)
Sulaymon Eshkabilov
le 1 Mai 2022
Using the Discrete Cosine Transform is quite straightforward. You'd need to employ dctmtx() fcn.
Help documentation:
doc dctmtx
Also, you can view this online documentation:
mathworks.com/help/images/discrete-cosine-transform.html
0 commentaires
Voir également
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!