RemoveGrain

Victor Efimov edited this page Dec 2, 2013 · 2 revisions
RemoveGrain (
	clip,
	int  mode   (1),
	int  modeU  (mode),
	int  modeV  (modeU),
	bool planar (false)
)
  • clip - Input clip.
  • mode - The smoothing mode. It can apply to all the planes or to the Y plane only, depending on the values of modeU and modeV. Some of the RemoveGrain modes have not been ported yet (25 and above). The available ones are listed below.
  • modeU, modeV - Same as mode but for U and V planes. If not defined, they use the same value as mode. If modeV is the only one not defined, it will default to the value of modeU.
  • planar - Parameter to keep compatibility with the original RemoveGrain. Its internal name is "skip colorspace check", which is exactly what it does - makes the plugin always assume the input to be planar.
−1 The plane is not touched at all and may contain garbage on output.
0 The plane is copied without being processed.
1 Clips the pixel with the minimum and maximum of the 8 neighbour pixels.
2 Clips the pixel with the second minimum and maximum of the 8 neighbour pixels.
3 Clips the pixel with the third minimum and maximum of the 8 neighbour pixels.
4 Clips the pixel with the fourth minimum and maximum of the 8 neighbour pixels, which is equivalent to a median filter.
5 Line-sensitive clipping giving the minimal change.
6 Line-sensitive clipping, intermediate.
7 Line-sensitive clipping, intermediate.
8 Line-sensitive clipping, intermediate.
9 Line-sensitive clipping on a line where the neighbours pixels are the closest.
10 Replaces the target pixel with the closest neighbour.
11 [1 2 1] horizontal and vertical kernel blur. Similar to Blur(1).
12 Same as mode 11.
13 Bob mode, interpolates top field from the line where the neighbours pixels are the closest.
14 Bob mode, interpolates bottom field from the line where the neighbours pixels are the closest.
15 Bob mode, interpolates top field. Same as 13 but with a more complicated interpolation formula.
16 Bob mode, interpolates bottom field. Same as 14 but with a more complicated interpolation formula.
17 Clips the pixel with the minimum and maximum of respectively the maximum and minimum of each pair of opposite neighbour pixels.
18 Line-sensitive clipping using opposite neighbours whose greatest distance from the current pixel is minimal.
19 Replaces the pixel with the average of its 8 neighbours.
20 Averages the 9 pixels ([1 1 1] horizontal and vertical blur). Similar to Blur(1.58).
21 Clips pixels using the averages of opposite neighbour
22 Same as mode 21 but simpler and faster.
23 Small edge and halo removal, but reputed useless.
24 Small edge and halo removal, but reputed useless.
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