Reference

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blur_bloom

Arguments:

Description:

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=0,'normalize_scales=0' and axes=(all)

Example of use:

$ gmic image.jpg blur_bloom ,
Command: image.jpg blur_bloom ,