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Describe AI Denoise in the manual as it now is

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On for every raw, at the top of the Adjust panel, kept once computed,
and eased off with Strength rather than Keep grain. The timing line is
left as it was; the new model's measured figure replaces it when that
branch lands. The animation still shows the Keep grain slider and
wants recording again.
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dtourolle
2026-10-03 22:18:15 -04:00
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@@ -289,17 +289,19 @@ drawn as hard-edged blocks rather than smoothed, so what you see is what
the sensor recorded.</p>
<figure><img loading="lazy" src="media/develop-zoom.gif" alt="Zooming to 1:1 with a double-click, panning, then further in with the wheel"><figcaption>Zooming to 1:1 with a double-click, panning, then further in with the wheel</figcaption></figure>
<h3 id="ai-denoise">AI denoise</h3>
<p>For a photograph taken in poor light at a high ISO. <code>AI Denoise</code>, in the
Detail group, replaces how the camera's raw data is turned into colour: a
network trained on this library's own photographs removes the noise and
the blotches of colour that come with it, while keeping the fine detail.
Look at it at 1:1, where noise lives.</p>
<p>Switch it on with <code>Apply</code>. The photograph keeps showing as it was while
the network works, with its progress in the bar at the top, and changes
when it is done — a few seconds on a computer with a graphics card, about
fifteen on its processor alone, longer on the tablet. <code>Keep grain</code> puts
back some of what was removed, as grain without colour, for a picture that
does not look too smooth.</p>
<p>How every raw is developed. <code>AI Denoise</code>, at the top of the Adjust panel,
replaces how the camera's raw data is turned into colour: a network trained
on this library's own photographs removes the noise and the blotches of
colour that come with it, while keeping the fine detail. It is on for every
raw unless you switch it off with <code>Apply</code>. Look at it at 1:1, where noise
lives.</p>
<p>The photograph shows the camera's ordinary conversion while the network
works, with its progress in the bar at the top, and changes when it is
done — a few seconds on a computer with a graphics card, about
fifteen on its processor alone, longer on the tablet. The result is kept,
so a photograph opened again, or exported, does not wait a second time.
<code>Strength</code> eases it off: below 100 % it puts back some of what was removed,
as grain without colour, for a picture that does not look too smooth.</p>
<figure><img loading="lazy" src="media/develop-denoise.gif" alt="An ISO 8000 night frame at 1:1, AI Denoise switched on, then some grain kept"><figcaption>An ISO 8000 night frame at 1:1, AI Denoise switched on, then some grain kept</figcaption></figure>
<table><thead><tr><th>Before</th><th>After</th></tr></thead><tbody>
<tr><td><img src="media/develop-denoise-before.png" alt="The railing and the lamp at ISO 8000, as the camera recorded them" /></td><td><img src="media/develop-denoise-after.png" alt="The same, with AI Denoise" /></td></tr>