User Manual

3 With Luma and Chroma Threshold linked, slowly raise either parameter until you just
start to see a reduction in noise within the nonmoving areas of the image, then make
smaller adjustments to determine the maximum amount of Temporal NR you can add
without creating motion artifacts, or overly softening image detail you want to preserve.
4 If there’s obviously more chroma than luma noise in the image, you can disable Luma/
Chroma linking at a satisfactory level of luma noise reduction, and then raise the
Chroma Threshold to apply more aggressive Temporal NR to address color speckling in
the picture.
5 If you’re not satisfied with the tradeoff between the maximum possible threshold
of noise reduction and the prevention of motion artifacts, you may want to adjust
the Motion Threshold setting, lowering it to omit more of the motion from the noise
reduction operation, or raising it to include more motion. If you’re still not satisfied, you
can also try better Motion Est. Type and Motion Range settings.
(Top) Before and (Bottom) after Temporal NR to reduce
noise in unmoving areas of the image
Keep in mind that the strength of Temporal NR is to reduce noise in unmoving parts of
the image. When you’ve achieve the best tradeoff between noise reduction in the still
areas and avoidance of motion artifacts in the moving areas of the image, then it’s time
to turn to Spatial NR to further eliminate noise throughout the rest of the picture.
6 Enable Spatial NR by raising either the Luma or Chroma Threshold parameters, which
are linked by default, until you strike a suitable balance between the reduction of noise,
and an unwanted increase in image softness.
7 It’s recommended to choose the Enhanced option from the Spatial NR mode
drop-down, as it will yield the best possible results. However, this can be
processor-intensive, so if you need better real-time performance, you can switch the
mode to Faster and compare results.
Chapter – 134 The Motion Effects and Blur Palettes 2995