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| author | Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be> | 2013-07-01 22:34:11 +0000 |
|---|---|---|
| committer | wpalenst <WillemJan.Palenstijn@uantwerpen.be> | 2013-07-01 22:34:11 +0000 |
| commit | b2fc6c70434674d74551c3a6c01ffb3233499312 (patch) | |
| tree | b17f080ebc504ab85ebb7c3d89f917fd87ce9e00 /matlab/tools/ROIselectfull.m | |
| download | astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.gz astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.bz2 astra-b2fc6c70434674d74551c3a6c01ffb3233499312.tar.xz astra-b2fc6c70434674d74551c3a6c01ffb3233499312.zip | |
Update version to 1.3
Diffstat (limited to 'matlab/tools/ROIselectfull.m')
| -rw-r--r-- | matlab/tools/ROIselectfull.m | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/matlab/tools/ROIselectfull.m b/matlab/tools/ROIselectfull.m new file mode 100644 index 0000000..a50c979 --- /dev/null +++ b/matlab/tools/ROIselectfull.m @@ -0,0 +1,18 @@ +function V_out = ROIselectfull(input, ROI) + + s1 = size(input,1); + s2 = size(input,2); + [x y] = meshgrid(-(s2-1)/2:(s2-1)/2,(s1-1)/2:-1:-(s1-1)/2); + A = Afstand(x,y,0,0); + + V_out = zeros(size(input)); + for slice = 1:size(input,3); + V = input(:,:,slice); + V(A > ROI/2) = 0; + V_out(:,:,slice) = V; + end +end + +function A = Afstand(x1,y1,x2,y2) + A = sqrt((x1-x2).^2+(y1-y2).^2); +end
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