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Correct wide-angle lens distortion with the FFmpeg lenscorrection filter
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What this guide covers
For editors with wide-angle or action-camera footage that bows straight lines. You end with a way to reduce radial distortion by trial or from an OpenCV calibration, checked on straight edges in the frame. It is documentary only: no command was run, and lens-profile correction is not covered.
More about this guide
Guide ID: art_01M6V5QZG15J2GQABEBQVQ8GBK
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Guide title
Correct wide-angle lens distortion with the FFmpeg lenscorrection filter
Coverage
For editors with wide-angle or action-camera footage that bows straight lines. You end with a way to reduce radial distortion by trial or from an OpenCV calibration, checked on straight edges in the frame. It is documentary only: no command was run, and lens-profile correction is not covered.
Example
A hypothetical action-camera clip with bowed doorframes, trying three trial coefficient values and judging which straightens the frame without stretching the corners; no run was made.
Useful starting points
- Judge the result on straight lines near the frame edges, such as doorframes or horizons, and change one coefficient at a time.
- Setting both coefficients to 0 gives no correction, which makes a useful baseline.
- Unmapped edge pixels are transparent black by default; crop or fill them after correction.
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