|TH||threshold of the face detection algorithm||0.15||threshold of the face detection algorithm|
|S||blur sigma (Gaussian distribution)||1000|
|CR||corner radius of the masking shape |
(use max for an ellipse)
|0||corner radius of the masking shape |
use max for an ellipse
If you are unsure which settings you should use, you can start with default values (blur_faces=1). The filter is turned off by omitting it or using blur_faces=0.
Face blurring is most effective for images with enough spatial resolution and sufficiently high quality. For example, for crowd shots, the recommended size is at least 800 pixels.
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