TemporalDegrain2

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May 01, 2022: v2.6.0<br>
 
May 01, 2022: v2.6.0<br>
- clean chroma more by also using the first degrian step<br>
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- clean chroma more by also using the first degrain step<br>
 
- tweak scene change detection factors<br>
 
- tweak scene change detection factors<br>

Revision as of 13:08, 1 May 2022

Abstract
Author Didée, Sagekilla, Vit, real.finder, ErazorTT
Version 2.6.0
Download TemporalDegrain-v2.6.0.avsi
Category Denoisers
License Public Domain
Discussion Doom9 Thread

Contents

Description

This script builds on Temporal Degrain but it is able to clean the noise even further while impoving the sharpness in cases where orignal version had severe drops in visual quality.

Comparing to the original version there are improvements in the motion estimation by using the exceptional approach of QTGMC and an optional final step of FFT and dithering to further smooth the output. The performance will be especially better in regions of low contrast and diverging movement where the very mushy intermediate stream was losing motion vectors thus smearing the output considerably.

The result can be completely noiseless, perfectly sharp, much better compressable, without introducing any banding while still yielding a very natural look.

Requirements

Required Plugins

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

Optional Plugins


Changelog

May 15, 2018: v2.0
- use the exceptional motion estimation from QTGMC
- use MDegrainN for unbound temporal radius
- automatic tuning of default parameters based on input size
- add optional motion compensated post processing FFT filtering

Oct 19, 2018: v2.0.1
- rename function to TemporalDegrain2
- expose TrueMotion parameter through meTM, and let it default to false

Oct 22, 2018: v2.0.2
- use power of 2 blocksizes for MAnalyse which have much better performance
- check that Undot exists before calling it

Oct 23, 2018: v2.0.3
- use RemoveGrain(1) instead of Undot

Oct 26, 2018: v2.1
- tune motion estimation

Oct 27, 2018: v2.1.1
- allow for a controlled over-sharpen through extraSharp
- correct parameter types

Oct 30, 2018: v2.1.2
- correct usage of KNLMeansCL
- update comments

Nov 03, 2018: v2.1.3
- another try to fix KNLMeansCL
- expose KNLMeansCL device id through knlDevId

Nov 19, 2018: v2.1.4
- minor updates to code comments

Dec 26, 2018: v2.1.5
- convert TV range to PC range in search clip, improving motion estimation

Dec 27, 2018: v2.1.6
- tweaked parameters for higher noise removal

Dec 27, 2018: v2.1.7
- settings depening on input noise level, flag must be set manually
- add post processing behaviour of TemporalDegrain v1.23 to postFFT=-1
- change defaults and rewrite recommendations

Jan 02, 2019: v2.2
- high bit support, native "double width" format not "stacked" format
- currently just postFFT=0, 1 and 4 are supported for high bit

Feb 24, 2019: v2.2.1
- swap deprecated use of ConvertToXbit by ConvertBits
- relaxed settings for scene change detection, was too aggressive

Apr 12, 2019: v2.2.2
- refine input size categorization

Feb 02, 2021: v2.2.3
- rescale SAD/SCD thresholds when DCT is switched from SAD to SATD
- allow change of motion estimation also based on chroma (meChroma)

Feb 02, 2021: v2.2.4
- use optional high bitdepth processing for FFT3DGPU
- added postMix setting do be able to degrease filter strength

Feb 02, 2021: v2.2.5
- use neo fft
- add optional high bitdepth processing for dfttest

Feb 05, 2021: v2.2.6
- correct scaling for DCT=5 and set it as default

Feb 07, 2021: v2.3.0
- use native high bit format also for KNLMeansCL
- scale sigma of FFT3DGPU
- grainLevel is now interger range 0-2
- make setup of grainLevel easier by using parameter grainLevelSetup=true
- provide user with the choice which stage of the pipeline to output (outputStage)

Feb 07, 2021: v2.3.1
- tune grainLevel 1 to fit more centrally between 0 and 2
- reorganize arguments by importance

Dec 16, 2021: v2.3.2
- go back to using SAD (DCT=0) instead of SATD, since SATD appears to make more harm then helping
- tweak usages of FFT3DGPU to match the FFT3DFilter usages (thanks goes to Tenkei)
- HQdn3D does now support high bitdepth
- KNLMeansCL correct sigma to match the other filters (factor 2 higher then before)

Dec 19, 2021: v2.3.3
- set thSADC to be half of thSAD, since changes in chroma are usually smaller than in luma

Dec 20, 2021: v2.3.4
- dithering is delayed to after contraSharpending which increases quality of dithering, decreasing banding and noise (postDither=2), old behaviour is regained with postDither=1
- postDither argument has been inverted! [new postDither = (-1) * old postDither]

Dec 21, 2021: v2.4.0 (This and later releases need AviSynth 3.7.1+)
- add BM3D_CPU & BM3D_CUDA (based on BM3D prefilter of Dogway's SMDegrain) and mods by kedautinh12 (Aug 12 - Dec 19)

Dec 21, 2021: v2.4.1
- small speed increase for BM3D (thanks to kedautinh12)

Jan 05, 2022: v2.4.2
- allow enabling or disabling of chroma and luma filtering for BM3D (thanks to kedautinh12)
- allow denoising on different planes at the two stages (degrainPlane vs postPlane)

Feb 15, 2022: v2.4.3
- add limit r to 3 when CUDA=true for BM3D (based on BM3D prefilter of Dogway's SMDegrain) and mods by kedautinh12
- add preset for BM3D (based on BM3D prefilter of Dogway's SMDegrain) and mods by kedautinh12

Apr 05, 2022: v2.5.0
- allow distinct postFFT and postSigma for luma and chroma

May 01, 2022: v2.6.0
- clean chroma more by also using the first degrain step
- tweak scene change detection factors

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