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Re: Grayscale AND Binary Image [message #29704 is a reply to message #29577]

Fri, 08 March 2002 12:45

idlfreak
Messages: 47
Registered: October 2001

Member

yes. i want to get the indices of the pixels in the
masked region and plot them in the original image.

The idea you had suggested does the same thing as *

i'm not sure if i can get the indices only (pixel
location and not the value of the pixel) in a variable
and then use those values to mask the original image
and set the values of rest of the pixels to 0 in the
original image.

I hope i'm clear this time.

Thanx for ur time.

-Akhila.

Wonko@netcologne.de (Alex Schuster) wrote in message news:<8KOj1SOed8B@netcologne.de>...
> idlfreak@yahoo.com (Akhila) wrote:
>
>> I have the same size window for both the images. Is there any way
>> that i can get the region(pixel value) from the binary image and
>> obtain the same pixels in the original image. If that's possible
>> it'd be more ideal as that's the result i want.
>> Help me please !!!
>
> I'm not sure what you mean... do you want to get the indices of the
> pixels which are set to 1 in your mask image? Then have a look at the
> WHERE() function.
>
> For example, instead of
>
> new_img = original_img * mask_img
>
> you can do it that way:
>
> index = where( mask_img eq 1 )
> new_img = 0 * original_img
> new_img[index] = original_img[index]
>
> or:
>
> index = where( mask_img eq 0 )
> new_img = original_img
> new_img[index] = 0
>
>
> Alex

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[Message index]

		Grayscale AND Binary Image By: idlfreak on Wed, 06 March 2002 22:33
		Re: Grayscale AND Binary Image By: Dick Jackson on Mon, 11 March 2002 07:41
		Re: Grayscale AND Binary Image By: Alex Schuster on Mon, 11 March 2002 02:32
		Re: Grayscale AND Binary Image By: idlfreak on Fri, 08 March 2002 12:45
		Re: Grayscale AND Binary Image By: Wonko[2] on Thu, 07 March 2002 14:23

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