Source: https://restorebunny.com/guides/moire-patterns-in-scans-of-printed-photos/

# Moiré Patterns in Scans of Printed Photos

Separate a printing-screen interference pattern from original scene texture before choosing a cleanup workflow.

Restoration techniques2 min readUpdated 16 October 2026

## Try it on your own photo

Repair a copy of your photo, then compare faces and details with the original.

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Quick answer

## The short version

A photograph reproduced in a printed publication can contain a screen pattern that interacts with scanning and resizing. The resulting moiré is different from the original camera scene. Preserve a complete reference and test a small capture or processing adjustment before applying a destructive cleanup across the whole image.

## Define the job before editing

A photograph reproduced in a printed publication can contain a screen pattern that interacts with scanning and resizing. The resulting moiré is different from the original camera scene. Preserve a complete reference and test a small capture or processing adjustment before applying a destructive cleanup across the whole image.

## Compare at several viewing scales

Inspect the source print and the scan, then compare a controlled rescan or a modest preview resize when appropriate. Regular waves can change with scale, while actual fabric or architectural detail has a different relationship to the scene. Keep a record of the capture and any descreening stage.

## Make the decision from evidence

Strong blur may hide the pattern while removing useful facial or text detail. Assess a representative area that includes both texture and recognizable features. If a publication reproduction is the only source, describe that limitation rather than presenting the cleaned result as an original photographic scan.

## A worked planning example

Example: A magazine photo shows colored waves after scanning. A test treatment reduces them but also softens a face. Keep both the unprocessed capture and the candidate, and choose the least damaging acceptable display version.

## A practical checklist

1. Identify a printed reproduction.
2. Inspect patterns at multiple scales.
3. Test a small representative region.
4. Keep the unprocessed source and record the limitation.

## Keep a traceable result

Keep the source file, the working copy and the delivery copy as separate items. Record the input and the changes you actually made so another person can understand the result later. These workflow examples are planning examples, not documented customer outcomes or proof of a successful restoration.

## FAQs

Does removing moiré recover the original camera detail?

No. A printed reproduction may have already lost information. Cleanup creates a viewing copy from the available source.

Should I replace my original with the edited copy?

Keep the source unchanged and save a separate working or sharing copy. An export, edit or AI interpretation can omit information that remains useful in the source.

## Sources

Preservation and technical guidance reviewed for this article.

- MDN Web Docs: [Pixel manipulation with Canvas](<https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial/Pixel_manipulation_with_canvas>)

## Related

- [Open the related free tool](<https://restorebunny.com/tools/blur-image/>)
- [Dust or Stars? Review Bright Dots in Night Photo Scans](<https://restorebunny.com/guides/dust-versus-stars-in-night-photo-scans/>)
- [Work with a Newspaper Photo and Its Caption](<https://restorebunny.com/guides/newspaper-photo-halftone-and-captions/>)
- [Browse photo guides](<https://restorebunny.com/guides/>)
- [Free image tools](<https://restorebunny.com/tools/>)

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