Table of Contents  ▸  List of Commands  ▸  Filtering  ▸  blur_bloom◀  blur_angular    |    blur_linear  ▶




Apply a bloom filter that blend multiple blur filters of different radii,

resulting in a larger but sharper glare than a simple blur.
When specified, argument axes is a sequence of { x | y | z | c }.
Specifying one axis multiple times apply also the blur multiple times.
Reference: Masaki Kawase, "Practical Implementation of High Dynamic Range Rendering", GDC 2004.

Default values:

amplitude=1, ratio=2, nb_iter=5, blend_operator=+, kernel=1, normalize_scales=0 and axes=(all)

Example of use:

$ gmic image.jpg blur_bloom ,

Command: image.jpg blur_bloom ,