SmartSSIQ

Abstract
Author	LB, foxyshadis
Version	2014-02-23
Download	SmartSSIQ.avsi
Category	Rainbow & Dot Crawl Removal
License
Discussion

Description

This is a derainbowing script which works with SSIQ. The basic problem with SSIQ is that it can alter the color on the entire picture, which is a very bad thing. All we want to do is remove rainbows, while leaving everything else alone. To accomplish this, SSIQ is applied (at full strength) to the entire frame. An edge mask is created from the original video. And finally, using Overlay it will blend ONLY the de-rainbowed edges onto the original video.

Note: SmartSSIQ with default settings can cause slight discoloration on derainbowed areas.

Requirements

• AviSynth 2.5.8 or greater
• Supported color formats: YV12

Required Plugins

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

• MaskTools2
• SSIQ

Syntax and Parameters

SmartSSIQ (clip input, int "strength", bool "interlaced")

clip  input =

Input clip.

int  strength = 200

Processing strength; this value ultimately controls the opacity* in overlay.

Range: 0 to 255

*opacity = strength/255.0

bool  interlaced = false

False means the input clip is progressive; with true it's interlaced.

Note: this parameter was added as an after-thought, so use it with caution and only as a last resort.

Examples

SmartSSIQ with default settings:

AviSource("Blah.avi")
SmartSSIQ(strength=200, interlaced=false)

Changelog

Version           Date            Author             Changes

2014/02/23        2014/02/23      Reel.Deal          - Luma is not processed; prevents minor artifacts.
                                                     - Add "interlaced" parameter.

2005/12/08      2005/12/08      foxyshadis         - Changed syntax to use MaskTools2.
                                                     - Now uses the AviSynth version of SSIQ.
                                                     - Tweak edge mask and remove UnsharpMask

2005/08/05      2005/08/05      LB                 - Original SmartSSIQ that uses the VirtualDub version of SSIQ.    

External Links

• Doom9 Forum - Original SmartSSIQ discussion.
• Doom9 Forum - Updated SmartSSIQ discussion.

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