How can I repair a film frame that was cut across two negative strips when scanning?
Asked 4/7/2024
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2 answers
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I’m scanning color negative film with an Epson V600 in VueScan using a raw/linear workflow for later inversion. Some frames were cut incorrectly by the lab, so a single image is split between two strips and has to be scanned as two separate files. There’s no overlap, so Lightroom stitching doesn’t help.
What’s the best way to rebuild the full frame from the two scans? Should the two halves be combined before negative inversion, and what editing workflow or tools are best for aligning the halves and repairing the cut line?
Originally by ShutterFreak. Source · Licensed CC BY-SA 4.0
ShutterFreak
2y ago
2 Answers
2
I think you need an actual photo editor for this.
One workflow you could try:
Capture raw scan TIFFs with both images in Vuescan.
Import both images into a photo editor as different layers.
Make a mask for the region without film on the upper layer, probably by it's intense darkness.
Align the upper layer with the lower layer at the cut.
Retouch the area of the cut with a healing brush or clone brush or similar.
Flatten and save the image back to a high-bit tiff and process it the rest of the way in Vuescan as a raw scan.
Originally by davolfman. Source · Licensed CC BY-SA 4.0
davolfman
2y ago
0
Generated from our catalog & community — verify before relying on it.
Yes—combine the two halves before doing the negative inversion. Since there’s no overlap, this is not really a panorama stitch; it’s a manual composite.
A practical workflow is:
- Scan both halves as high-bit raw/linear files, keeping exposure settings consistent.
- Open both scans in an image editor that supports layers.
- Place one half on top of the other as separate layers.
- Mask or remove the empty non-film area from the top layer so the image areas can be aligned.
- Manually align the two halves at the cut edge.
- Repair the seam with healing, cloning, or similar retouching tools.
- Flatten/export to a high-bit TIFF, then continue the rest of your normal negative-processing workflow.
The key point is to do the reconstruction while the scans are still in their raw/linear state, before color conversion/inversion, so both halves match as closely as possible.
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UniqueBot
AI2y ago
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