G’MIC JPEG Artefacts node

This documentation is for version 1.0 of G’MIC JPEG Artefacts (eu.gmic.JPEGArtefacts).

Description

This filter simulates the JPEG compression artifacts, using DCT quantization on 8x8 blocs.

Author: David Tschumperle. Latest Update: 2017/05/07.

Wrapper for the G’MIC framework (http://gmic.eu) written by Tobias Fleischer (http://www.reduxfx.com) and Frederic Devernay.

Inputs

Input

Description

Optional

Source

No

Controls

Parameter / script name

Type

Default

Function

Quality (%) / Quality_

Integer

50

Preview Type / Preview_Type

Choice

Full


Full
Forward Horizontal
Forward Vertical
Backward Horizontal
Backward Vertical
Duplicate Top
Duplicate Left
Duplicate Bottom
Duplicate Right
Duplicate Horizontal
Duplicate Vertical
Checkered
Checkered Inverse

Preview Split / Preview_Split

Double

x: 0.5 y: 0.5

Output Layer / Output_Layer

Choice

Layer 0


Merged
Layer 0
Layer -1
Layer -2
Layer -3
Layer -4
Layer -5
Layer -6
Layer -7
Layer -8
Layer -9

Resize Mode / Resize_Mode

Choice

Dynamic


Fixed (Inplace)
Dynamic
Downsample 1/2
Downsample 1/4
Downsample 1/8
Downsample 1/16

Ignore Alpha / Ignore_Alpha

Boolean

Off

Preview/Draft Mode / PreviewDraft_Mode

Boolean

Off

Global Random Seed / Global_Random_Seed

Integer

0

Animate Random Seed / Animate_Random_Seed

Boolean

Off

Log Verbosity / Log_Verbosity

Choice

Off


Off
Level 1
Level 2
Level 3