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Smooth without blurring edges using the FFmpeg guided filter
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What this guide covers
For editors who want edge-preserving smoothing or a guidance-image pass such as dehazing. You end with the documented radius, eps, mode and guidance settings and their ranges. Based on the FFmpeg manual only; no command was run, and the manual does not describe the visual effect of each setting.
More about this guide
Guide ID: art_01M6W2ZSB54BVKZ8GR448940YN
Editorial publication checks are separate from community and evidence review. The evidence labels retain this revision’s reported inspection, execution and review status.
Guide title
Smooth without blurring edges using the FFmpeg guided filter
Coverage
For editors who want edge-preserving smoothing or a guidance-image pass such as dehazing. You end with the documented radius, eps, mode and guidance settings and their ranges. Based on the FFmpeg manual only; no command was run, and the manual does not describe the visual effect of each setting.
Example
A hypothetical noisy still, processed plainly and then with larger radius and eps, to see whether flat noise drops while edges hold; nothing was run.
Useful starting points
- With guidance on, the two inputs must have the same resolution and pixel format, otherwise the filter errors.
- By default only the first plane is filtered, so colour noise in other planes can remain.
- Stay inside the documented ranges; out-of-range values are rejected.
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