Reproducing large paintings with photography is difficult because lighting is uneven, and the standard flatfielding technique using a large white card is often impractical.

Existing flatfielding requires a large white card that is impractical for large artworks, and manual corrections in Photoshop are fiddly and imprecise.

Severity

3Medium

Willingness to Pay

implied

Added

Apr 25, 2026

Workarounds Described

held colorchecker in 4 corners and center, then used Photoshop gradients to even out light

Implied Software Gaps

Software that automatically measures lighting unevenness and applies correction without manual gradient creation

App Concept

FlatField Pro

FlatField Pro is a Photoshop plugin that automates flatfielding for artwork reproduction. It analyzes a reference shot or color-checker patches to create a correction profile, then applies it to evenly light the entire image. No need for physical cards or manual gradients.

Key Features

One-click flatfield correction from reference shot or color patches
Custom gradient generation for uneven lighting
Batch processing for multiple artworks
Integration with color-checker calibration

Target Users: Fine art photographers and museum reproduction specialists who need to replicate paintings accurately

Revenue Model: $99 one-time purchase for the plugin, or $49/year subscription

Existing Solutions Mentioned

large white card for flatfieldingcolorchecker classicPhotoshop gradients

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