Filter Manager 24-bit Binary Color Correction Files
Filter Manager

Information in this article applies to:

  • uScope Navigator V4.5 and Later
  • uScope Navigator V4.6 and Later

Article ID: NFL1190 — Created: 21 Aug 2019 — Reviewed: 16 Nov 2020


Filter Manager: Color Correction FileColor correction is a common image processing technique that makes rendering captured images more accurately reflect the observed color. Practically all image sensors and cameras require and benefit from some form of color correction.


uScope Navigator v4.5 adds a new filter type that enables color correction through the use of a 24-bit color look-up table (LUT) file. This file may be applied to Overview, Objective, and Deep Zoom Filter Sequences. This filter is listed as Color Correction File in the filter menu.

When enabled, the uScope Navigator software replaces each pixel color with the corrected color from the LUT. Performance for this replacement is very fast and has an imperceivable effect on the performance of the scanner.

uScope Navigator includes one or more standard color correction files as part of the installation. End users may wish to create their own color correction files to use as well.

Color Correction File Location

Color correction LUT files are stored in the following folder:

C:\ProgramData\Microscopes International\uScope Navigator 4\Color Correction

Color Correction File Format

The color correction file is a binary file formatted as an array of unsigned byte (8-bit) numbers [256*256*256,3] stored in row-major order. An RGB value [R,G,B] is mapped in the LUT as [R*256*256 + G*256 + B]. The total file size is 48MBytes.

  • If the size of the color correction LUT file is not exactly (2^24)*3 bytes, it is ignored.
  • Starting in v4.6, this filter is named Color Correction File (BIN).
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