title: Light Graffiti
media types:
Video
description: Creates light graffitis from a video by keeping the brightest spots.
version: 0.3
creator: Simon A. Eugster (Granjow)
title: sensitivity
description:
Sensitivity of the effect for light (higher sensitivity will lead to brighter lights)
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0.2
widget: spinner
title: backgroundWeight
description:
Describes how strong the (accumulated) background should shine through
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: spinner
title: thresholdBrightness
description:
Brightness threshold to distinguish between foreground and background
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0.588235
widget: spinner
title: thresholdDifference
description:
Threshold: Difference to background to distinguish between fore- and background
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: spinner
title: thresholdDiffSum
description:
Threshold for sum of differences. Can in most cases be ignored (set to 0).
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: spinner
title: dim
description:
Dimming of the light mask
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: spinner
title: saturation
description:
Saturation of lights
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0.25
widget: spinner
title: lowerOverexposure
description:
Prevents some overexposure if the light source stays steady too long (varying speed)
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: spinner
title: statsBrightness
description:
Display the brightness and threshold, for adjusting the brightness threshold parameter
type: boolean
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: checkbox
title: statsDifference
description:
Display the background difference and threshold
type: boolean
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: checkbox
title: statsDiffSum
description:
Display the sum of the background difference and the threshold
type: boolean
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: checkbox
title: reset
description:
Reset filter masks
type: boolean
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: checkbox
title: transparentBackground
description:
Make the background transparent
type: boolean
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: checkbox
title: blackReference
description:
Uses black as background image instead of the first frame.
type: boolean
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: checkbox
title: longAlpha
description:
Alpha value for moving average
type: float
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: spinner
title: nonlinearDim
description:
Nonlinear dimming (may look more natural)
type: boolean
readonly: no
required: no
animation: yes
minimum: 0
maximum: 1
default: 0
widget: checkbox
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