representing images and videos in signal form

Hello.

Is there a way in Matlab to represent images or videos in a signal representation to do some analysis on? i need to do so to perform "sampling" on the result signals. Thanks in advance.

[Shahad]

up

[Walter Roberson]

Analog or digital signals?

[Shahad]

for digital signals

[Image Analyst]

What do you mean? An image is a signal. You can already "do some analysis on it" to produce "result signals". What's stopping you? And then you can perform sampling on the "result signal". Again, what's stopping you from doing that?

So now that we know, or believe, you can do your analysis, what analysis do you want to do?

[Shahad]

I mean to view the signal representation in a plot just like the attached image.

What I'm working on is sampling each frame of a watermarked video using compressive sensing.

[Image Analyst]

I don't know what that is with respect to your image. If you want, you can turn an image into a 1-D vector by using (:) like this:

vec = yourImage(:);