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Re: Image processing


From: Erika Bueno
Subject: Re: Image processing
Date: Fri, 11 Jun 2010 09:30:07 -0300

I made what you explained with a GIF image and when I use size(myimg),
it shows three numbers. The first and the second are rows and columns,
what is the third number?

Thanks again :)

2010/6/9 Erika Bueno <address@hidden>:
> Thanks, Soren! I'm gonna try this in the morning, when I get to the
> lab and I'll tell you if I got it :)
>
> Good night! :)
>
> 2010/6/9 Søren Hauberg <address@hidden>:
>> ons, 09 06 2010 kl. 02:39 -0300, skrev Erika Bueno:
>>> I'm gonna try :)
>>>
>>> I read the image, just like you explained me to do. It works.
>>>
>>> I know the image is saved in the variable "i" as a matrix, right?
>>>
>>> Ok. But I don't know the size of the matrix. So, how can I work with
>>> something that I don't know its extension?
>>>
>>> My project is to read a couple of images and, then, compare then. To
>>> do this, I gotta read the images and work with its variables as
>>> matrices.
>>>
>>> Got it now? :)
>>
>> Yes I think I got it, thanks :-)
>>
>> To get the size (or extension as you call it), simply call
>>
>>  size (I)
>>
>> this will be a vector with the number of rows in the image on the first
>> place and the number of columns in the second place.
>>
>> Søren
>>
>>
>



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