Scharr

Abstract
Author	zorr
Version	2019-01-19
Download	Script
Category	Edge Detection
License
Discussion	Doom9 Thread

Description

Edge detection using the Scharr operator.

Requirements

• AviSynth 2.6.0 [32-bit]
• AviSynth+ [32-bit or 64-bit]
• Supported color formats: Y8, YV12, YV16, YV24, YV411

Required Plugins

• MaskTools2

Syntax and Parameters

scharr (clip c)

clip   =

Input clip; only planar formats are supported. Chroma channels are not processed.

Script

function scharr(clip c) {
	scharr_x = c.mt_edge("3 0 -3 10 0 -10 3 0 -3", thY1 = 0, thY2 = 255, y=3, u=1, v=1)
	scharr_y = c.mt_edge("3 10 3 0 0 0 -3 -10 -3", thY1 = 0, thY2 = 255, y=3, u=1, v=1)
	scharr = mt_lutxy(scharr_x, scharr_y, yexpr=mt_polish("((x*x)+(y*y))^0.5"), u=1, v=1)
	return scharr
}

Examples

scharr:

AviSource("blah.avi")
scharr ()

Changelog

Version      Date            Changes
  
             01/19/2019      - Initial release

External Links

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