Processing and Formatting Effects > Flame FX > Denoise >
Grain Analysis Settings

Add Bounding Box button
  Adds a new sub-region. Click and drag the bounding box in the image window to set the location.
Remove Bounding Box box
  Select an option to remove the currently selected bounding box or all the bounding boxes.
Analyze button
  Determines the grain structure.
Reference Frame field
  This locked field displays the frame number that is analysed. You can use this frame analysis as a reference that can be edited and applied to the clip.
Show Icons button
  Enable to display all the defined bounding boxes.
Bounding Box colour pot
  Displays the colour used for the border of the bounding boxes. Click to change the colour.