title: Matrix3x3CImg
media types:
Video experimental
description: Compute the convolution of the input image with the specified matrix.
This works by multiplying each surrounding pixel of the input image with the corresponding matrix coefficient (the current pixel is at the center of the matrix), and summing up the results.
For example [-1 -1 -1] [-1 8 -1] [-1 -1 -1] produces an edge detection filter (which is an approximation of the Laplacian filter) by multiplying the center pixel by 8 and the surrounding pixels by -1, and then adding the nine values together to calculate the new value of the center pixel.
Uses the CImg library.
CImg is a free, open-source library distributed under the CeCILL-C (close to the GNU LGPL) or CeCILL (compatible with the GNU GPL) licenses. It can be used in commercial applications (see http://cimg.eu).
version: 2
creator: mr.fantastic mrfantastic@firemail.cc
license: GPLv2
URL: https://openeffects.org/
title: R
description:
Process red component.
type: boolean
readonly: no
required: no
animation: yes
default: 1
title: G
description:
Process green component.
type: boolean
readonly: no
required: no
animation: yes
default: 1
title: B
description:
Process blue component.
type: boolean
readonly: no
required: no
animation: yes
default: 1
title: A
description:
Process alpha component.
type: boolean
readonly: no
required: no
animation: yes
default: 1
title: Matrix
description:
The coefficients of the matrix filter.
type: group
readonly: no
required: no
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
description:
Matrix coefficient.
type: float
readonly: no
required: no
animation: yes
minimum: -1
maximum: 1
default: 0
title: Normalize
description:
Normalize the matrix coefficients so that their sum is 1.
type: boolean
readonly: no
required: no
default: 0
title: (Un)premult
description:
Divide the image by the alpha channel before processing, and re-multiply it afterwards. Use if the input images are premultiplied.
type: boolean
readonly: no
required: no
animation: yes
title: Invert Mask
description:
When checked, the effect is fully applied where the mask is 0.
type: boolean
readonly: no
required: no
animation: yes
title: Mix
description:
Mix factor between the original and the transformed image.
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 1
title: Top-Left Origin
description:
Set to 1 to use MLT top-left image origin instead of the OFX bottom-left origin. Use for plugins that crash or produce incorrect output with negative row bytes.
type: boolean
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
widget: checkbox
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