title: nlmeans
media types:
Video
description: Non-local means denoiser.
version: Lavfi9.12.100
creator: libavfilter maintainers
Many parameters support animated values (keyframes) but only the numeric ones. Many numeric properties have type string because they accept an expression (see FFmpeg documentation) even though they evaluate to a numeric value.
description:
denoising strength
type: float
readonly: no
required: no
minimum: 1
maximum: 30
default: 1
format: double
description:
patch size
type: integer
readonly: no
required: no
minimum: 0
maximum: 99
default: 7
description:
patch size for chroma planes
type: integer
readonly: no
required: no
minimum: 0
maximum: 99
default: 0
description:
research window
type: integer
readonly: no
required: no
minimum: 0
maximum: 99
default: 15
description:
research window for chroma planes
type: integer
readonly: no
required: no
minimum: 0
maximum: 99
default: 0
description:
Maximum number of threads
type: integer
readonly: no
required: no
minimum: 0
default: 0
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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