AWarpsharp2/aWarp4 - Revision history

Reel.Deal: small documentation update

2015-11-09T23:55:50Z

small documentation update

Reel.Deal: /* Examples */ add link

2015-02-05T14:39:39Z

‎Examples: add link

Reel.Deal: minor formatting

2014-09-21T07:24:54Z

minor formatting

Reel.Deal: category

2014-08-23T15:24:10Z

Reel.Deal: /* Examples */

2014-03-10T03:05:29Z

‎Examples

Reel.Deal: update

2014-03-10T02:57:41Z

update

Reel.Deal at 12:26, 9 November 2013

2013-11-09T12:26:24Z

Reel.Deal: Created page with "== aWarp4 == {{Template:FuncDef|aWarp4(edge_mask_clip, int "depth", int "chroma")}}"

2013-10-15T18:09:14Z

Created page with "== aWarp4 == {{Template:FuncDef|aWarp4(edge_mask_clip, int "depth", int "chroma")}}"

New page

== aWarp4 ==

{{Template:FuncDef|aWarp4(edge_mask_clip, int "depth", int "chroma")}}

@@ Line 1: / Line 1: @@
 {{FilterCat4|External_filters|Plugin_functions|Adjustment_filters|Sharpeners}}
+<tt>aWarp4</tt> is designed for an even more custom warp-sharpening than <tt>[[AWarpsharp2/aWarp|aWarp]]</tt> allows. Unlike aWarp, this uses a 4x larger source clip than the edge mask. This is useful for improving the quality of the subpixel interpolation quality in the final step. [[Supersampling]] allows to produce a sharper result with lower {{Template:FuncDef3|depth}}, which equals to less deformations.
-'''Back to [[aWarpSharp2#Filters|aWarpSharp2]] &larr;'''
---------------------------------------------------
-<br>
-== Description ==
-aWarp4 is designed for an even more custom warp-sharpening than [[AWarpsharp2/aWarp|aWarp]] allows. Unlike aWarp, this uses a 4x larger source clip than the edge mask. This is useful for improving the quality of the subpixel interpolation quality in the final step. Supersampling allows to produce a sharper result with lower {{Template:FuncDef|depth}}, which equals to less deformations.
 <br>
 <br>
@@ Line 12: / Line 7: @@
 <br>
 ::{{Par2| |clip| |}}
-:::Input clip; must be exactly 4 times the width and height of the edge mask clip.
+:::Input clip; must be exactly 4 times the width and height of the edge mask clip. The 4x upsampled clip should always be top-left aligned, take a look at the examples below.
 <br>
 ::{{Par2| |clip| |}}
-:::Edge mask clip; usually the input clip  processed by [[AWarpsharp2/aSobel|aSobel]] and followed by [[AWarpsharp2/aBlur|aBlur]].
+:::Edge mask clip; usually the input clip  processed by <tt>[[AWarpsharp2/aSobel|aSobel]]</tt> and followed by <tt>[[AWarpsharp2/aBlur|aBlur]]</tt>.
-:::If you want more stable results it's good idea to do anti-aliasing and temporal filtering on the edge mask before passing it to the warping stage.
+:::If you want more stable results it's a good idea to do anti-aliasing and temporal filtering (if necessary) on the edge mask before passing it to the warping stage.
 <br>
 ::{{Par2|depth|int|3}}
-:::Strength of the final warping. Negative values result in warping in opposite direction.
+:::Strength of the final warping. Negative values result in warping in opposite direction, i.e. will blur the image instead of sharpening.
 :::Range: -128 to 127
 <br>
 ::{{Par2|chroma|int|4}}
-:::Processing mode for chroma planes (U and V):
+:::Processing mode for the chroma channels (U and V):
-::::* 0 : fill with zeroes
+:::* 0 : fill with 0x80(128), output is grayscale.
-::::* 1 : don't care
+:::* 1 : don't care - chroma will be trashed.
-::::* 2 : copy
+:::* 2 : copy chroma channels from the input clip.
-::::* 3 : process
+:::* 3 : process chroma; create an edge mask from each chroma channel and use those to warp each chroma channel individually.
-::::* 4 : guide by luma
+:::* 4 : process chroma; use the edge mask from the luma to warp the chroma channels.
-::::* 5 : same as 3, but don't process luma
+:::* 5 : same as 3, but don't process luma.
-::::* 6 : same as 4, but don't process luma
+:::* 6 : same as 4, but don't process luma.
 <br>
 == Examples ==
@@ Line 58: / Line 55: @@
   aWarp4(input4x, edge_mask, depth=2)
 <br>
-*The 4x upsampled clip should always be top-left aligned, so Spline36Resize(width*4, height*4) or nnedi3_rpow2(rfactor=4) '''will not''' produce correct results.
+*The 4x upsampled clip should always be top-left aligned, so <code>Spline36Resize(width*4, height*4)</code> or <code>nnedi3_rpow2(rfactor=4)</code> '''will not''' produce correct results.
 <br>
 --------------------------------------------------------
 '''Back to [[aWarpSharp2#Filters|aWarpSharp2]] &larr;'''

@@ Line 33: / Line 33: @@
 <br>
 == Examples ==
-Correct usage examples:<br>
+Correct usage examples[http://forum.doom9.org/showpost.php?p=1567371&postcount=67]:<br>
 <br>
 *Using [[Resize|Spline36Resize]] to upscale:

@@ Line 1: / Line 1: @@
-[[Category:Plugin_Filters]]
+{{FilterCat4|External_filters|Plugin_functions|Adjustment_filters|Sharpeners}}
-[[Category:Sharpening]]
 '''Back to [[aWarpSharp2#Filters|aWarpSharp2]] &larr;'''
 --------------------------------------------------
 <br>
 == Description ==
-:aWarp4 is designed for an even more custom warp-sharpening than [[AWarpsharp2/aWarp|aWarp]] allows. Unlike aWarp, this uses a 4x larger source clip than the edge mask.
+aWarp4 is designed for an even more custom warp-sharpening than [[AWarpsharp2/aWarp|aWarp]] allows. Unlike aWarp, this uses a 4x larger source clip than the edge mask. This is useful for improving the quality of the subpixel interpolation quality in the final step. Supersampling allows to produce a sharper result with lower {{Template:FuncDef|depth}}, which equals to less deformations.
-:This is useful for improving the quality of the subpixel interpolation quality in the final step. Supersampling allows to produce a sharper result with lower {{Template:FuncDef|depth}}, which equals to less deformations.
 <br>
 <br>
@@ Line 14: / Line 12: @@
 <br>
 ::{{Par2| |clip| |}}
-::::Input clip; must be exactly 4 times the width and height of the edge mask clip.
+:::Input clip; must be exactly 4 times the width and height of the edge mask clip.
 <br>
 ::{{Par2| |clip| |}}
-::::Edge mask clip; usually the input clip  processed by [[AWarpsharp2/aSobel|aSobel]] and followed by [[AWarpsharp2/aBlur|aBlur]].
+:::Edge mask clip; usually the input clip  processed by [[AWarpsharp2/aSobel|aSobel]] and followed by [[AWarpsharp2/aBlur|aBlur]].
-::::If you want more stable results it's good idea to do anti-aliasing and temporal filtering on the edge mask before passing it to the warping stage.
+:::If you want more stable results it's good idea to do anti-aliasing and temporal filtering on the edge mask before passing it to the warping stage.
 <br>
 ::{{Par2|depth|int|3}}
-:::Range: -128 to 127<br>
+:::Strength of the final warping. Negative values result in warping in opposite direction.
-::::Strength of the final warping. Negative values result in warping in opposite direction.
+:::Range: -128 to 127
 <br>
 ::{{Par2|chroma|int|4}}
@@ Line 61: / Line 59: @@
 <br>
 *The 4x upsampled clip should always be top-left aligned, so Spline36Resize(width*4, height*4) or nnedi3_rpow2(rfactor=4) '''will not''' produce correct results.
 <br>
 --------------------------------------------------------
 '''Back to [[aWarpSharp2#Filters|aWarpSharp2]] &larr;'''

← Older revision		Revision as of 15:24, 23 August 2014
Line 1:		Line 1:
		+	[[Category:Plugin_Filters]]
		+	[[Category:Sharpening]]
	'''Back to [[aWarpSharp2#Filters\|aWarpSharp2]] ←'''		'''Back to [[aWarpSharp2#Filters\|aWarpSharp2]] ←'''
	--------------------------------------------------		--------------------------------------------------

@@ Line 57: / Line 57: @@
   edge_mask = input.aSobel().aBlur()<br>
   aWarp4(input4x, edge_mask, depth=2)
 <br>
 <br>
 --------------------------------------------------------
 '''Back to [[aWarpSharp2#Filters|aWarpSharp2]] &larr;'''

@@ Line 1: / Line 1: @@
-== aWarp4 ==
+'''Back to [[aWarpSharp2#Filters|aWarpSharp2]]'''
+== Description ==
-{{Template:FuncDef|aWarp4(edge_mask_clip, int "depth", int "chroma")}}
+A warp-sharpening filter.