Use impoly to extract region from dicomfiles

Hi all,

At the moment i'm using impoly to extract an area from a dataset. Unfortunately some of the images do not show the needed area and therefore i don't ant to draw an ROI on these images. Does anybody know how i could skip an image without creating an ROI?

So dor example if i want to skip the first 5 and last 5 images how should i do that? My method looks like this. (for the first position a predefined pos is used)

if true
  % 
pause on
s=size (MRI);
for i = 1:s(3)
  A = MRI(:,:,i);
  imshow (A,[]);
  h = impoly(gca,pos);  
  pos = wait(h);
  pause;
  pos = getPosition(h);
  BW = createMask(h);
  BWs = imcomplement (BW);
  A(BWs) = 0;
  Brain(:,:,i)= A
  delete(h)
end
pause off

end

Answer 1

[Image Analyst]

Put this code right after the imshow:

promptMessage = sprintf('Do you want to process this image?');
titleBarCaption = 'Draw ROI?';
button = questdlg(promptMessage, titleBarCaption, 'Yes', 'No-Skip it', 'Yes');
if strcmpi(button, 'No-Skip it')
  continue;
end

[Hugo]

Thanks a lot!