Image analysis for Signal processing help
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Gucci
el 1 de Mayo de 2022
Respondida: Sulaymon Eshkabilov
el 1 de Mayo de 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
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Respuesta aceptada
Sulaymon Eshkabilov
el 1 de Mayo de 2022
Use imcrop()
How to use this function: >> doc imcrop
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Sulaymon Eshkabilov
el 1 de Mayo de 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
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