Editing Seams with PTStitcherNG

Prof. Dr. H. Dersch - HFU Furtwangen


Edit Seam Mask


In this example we edit the seams in the Gimp. Editing in Photoshop works the same; any graphics program capable of handling image layers should work.

  • Load the panoramic image no_blend.
  • Add a layer to this image.
  • Load the mask image mask.tif and paste it into this layer.
  • Set the transparency of this new layer to an intermediate value to be able to see both mask colors and underlying panoramic image content.
  • The layers dialog should look similar to the window to the right.


Now we can start editing. To enlarge the area covered by the blue-indexed image, we select this blue color using the pipette-tool,and set it as foreground color for painting. Then we use any of the graphics tools to paint blue color into the areas to be covered. The following screenimage shows an intermediate editing step. To edit other seams we choose the appropriate colors for those images.



When we are done editing we have to save the upper layer: Set the transparency to 0, collapse the layers, and save in a lossless format (TIFF or PPM). This is the new mask image of our example:



We have to apply this mask to our stitching process which is described in the final chapter.

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Copyright H. Dersch 2010