Stab

Abstract
Author	g-force
Version	1.0
Download	Stab.avsi
Category	Stabilizers
License
Discussion	Doom9 Thread

Description

Simple Script to remove small high frequency jitter that appears often on old/bad transfers.

An unresolved bug in this filter can produce green tinting in seemingly random output frames. Still a suitable and effective tool for black and white footage: scripts should apply Greyscale() following Stab(). This filter may not be suitable for color footage; apply with caution.

Requirements

• [x86]: AviSynth+ or AviSynth 2.6
• [x64]: AviSynth+
• Supported color formats: YV12

Required Plugins

Latest versions of the following filters are recommended unless stated otherwise.

• DePan
• DePanEstimate
• Repair - part of the RemoveGrain v1.0b package.
• RgTools - recommended drop-in replacement for Repair!

Syntax and Parameters

Stab (clip clp, int "range", int "dxmax", int "dymax", int "mirror")

clip  clp =

Input clip.

int  range = 1

Number of previous (and also next) frames near requested frame to estimate motion.

int  dxmax = 4

Limit of x shift.

int  dymax = 4

Limit of y shift.

int  mirror = 0

Fill empty borders with mirrored from frame edge pixels (instead of black):

• 0 - no mirror (default)
• 1 - top
• 2 - bottom
• 4 - left
• 8 - right
• sum any of above - combination (15 - all )

Examples

Stab with default settings:

AviSource("Blah.avi")
Stab(range=1, dxmax=1, dymax=1, mirror=0)

External Links

• Doom9 Forum - Stab discussion.
• VideoHelp Forum - Stab modification by Dogway.

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