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Whole Scan Images Overlapped vs Underlapped Scanning
Whole Scan Images

Information in this article applies to:

  • uScope Navigator V4.3 and Later

Article ID: NWS2358 — Created: 5 Dec 2020 — Reviewed: 30 Aug 2021

Question

What is the difference between overlapped and underlapped scanning?

Answer

When scanning a region of interest, adjacent fields may be...

  • Overlapped (fields can be stitched into a contiguous image),
  • Tiled (adjacent fields do not overlap enough to stitch but may overlap a few pixels),
  • Underlapped (there is a gap between fields with no chance of duplicate tissue from field to field).

The field overlap settings are found under Device Settings—Scan Options—Field Overlap Settings.

Overlapped Field Settings
Overlap Settings

Underlapped Field Settings
Underlap Settings

The above settings generate the following whole scan images.

Overlapped Whole Scan Image
Overlapped Whole Scan Image

Underlapped Whole Scan Image
Tiled (No Overlap) & Underlapped Whole Scan Image

Note
When whole scan images are created for underlapped scans, gaps (or gutters) are added between each field (as shown in the above image).

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