For Programmers: Free Programming Magazines  


Home > Archive > Matlab > January 2006 > Re: Exctracting part of an image and converting co









You are viewing an archived Text-only version of the thread. To view this thread in it's original format and/or if you want to reply to this thread please [click here]

 

Author Re: Exctracting part of an image and converting co
Kaan Altinsoy

2006-01-09, 11:23 pm

Paul McGuire wrote:
>
>
> Hi,
>
> I have a number of images that I would like to carry out a series
> of
> calculations on namely:
>
> 1) select region(s) of interest
> 2) extract the region of interest and convert from RGB to L*a*b*
> colorspace
> 3)compute the mean of the a* value for each column
>
> I have the image processing toolbox and have workled out how to put
> the image into the workspace and select the region of interest. I
> have also worked out how to convert between the


colourspaces, and I

Hi,
i have same problems. I want to extract a region of an image. ROI of
an oimage. But how??

> suspect that step 3 will be trivial. However I can't work out how
> to
> do step 2 i.e. remove the 'background' from the image so I'm just
> working with the part I'm interested in

Vasco M

2006-01-09, 11:23 pm

I think, I answered this question or something similar. You are
probably taking the same course as the other guy.

Bill Jordan, "Again selectin an area within RGB image" #, 8 Mar 2005 4:37 pm </WebX?50@@.eefe50c>


Kaan Altinsoy wrote:[color=darkred]
>
>
> Paul McGuire wrote:
series[color=darkred]
> L*a*b*
> put
I[color=darkred]
>
> colourspaces, and I
>
> Hi,
> i have same problems. I want to extract a region of an image. ROI
> of
> an oimage. But how??
>
how[color=darkred]
just[color=darkred]
Sponsored Links







Also available: Server administration forum archive | Web Design forum archive | Software forum archive | Hardware reviews archive

Copyright 2010 codecomments.com