diff options
Diffstat (limited to 'supp/add_wedges.m')
-rw-r--r-- | supp/add_wedges.m | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/supp/add_wedges.m b/supp/add_wedges.m new file mode 100644 index 0000000..8b8f2a7 --- /dev/null +++ b/supp/add_wedges.m @@ -0,0 +1,30 @@ +% create a wedge mask to simulate the missing wedge + +[rows, columns] = size(sino_zing_rings); +grayImage = ones(rows, columns, 'uint8'); +xCoords = [0 360 0]; +yCoords = [35 7 7]; +mask = poly2mask(xCoords, yCoords, rows, columns); +grayImage(mask) = 0; + +xCoords = [727 360 727]; +yCoords = [35 7 7]; +mask = poly2mask(xCoords, yCoords, rows, columns); +grayImage(mask) = 0; + +xCoords = [0 360 0]; +yCoords = [145 173 173]; +mask = poly2mask(xCoords, yCoords, rows, columns); +grayImage(mask) = 0; + +xCoords = [727 360 727]; +yCoords = [145 173 173]; +mask = poly2mask(xCoords, yCoords, rows, columns); +grayImage(mask) = 0; + +grayImage(1:7,:) = 0; +grayImage(173:end,:) = 0; + +%figure; imshow(grayImage, [0 1]); +MW_sino_artifacts = sino_zing_rings.*double(grayImage); +%Dweights = Dweights.*double(grayImage);
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