MBlur

Author V. C. Mohan
1 Oct 2020

For testing some of the plugins, I needed a plugin that produces various types of blurred images. So I authored this and it may be useful to others. This plugin works on on all color planes of RGB format, and Luma of YUY2 and Planar formats. If uv is set true, Planar YUV444 formats U and V also are blurred. This function is thread safe : MT_NICE_FILTER

MBlur blurs the image with either linear (as seen in linear motion), or circular form ( as seen in out of focus images)PSF. For completeness it can also blur with a rectangular PSF. As borders remain unblurred for any further work cropping borders is recommended.

Input clip preferably be field based.

Details of parameters
Description	Name	Type	Limits	Default
Input clip		clip	prefer have the fields separated	none
blur end point x coordinate or radius of blur	x	integer	for "focus" 2 to 1/8 window smaller dimension for "line" -1/8 to 1/8 of frame width. for "rect" 1 to 1/8 of frame width.	5
blur end point coordinate	y	integer	for "line" -1/8 to 1/8 window height. For "rect" 1 to 1/8 of frame height	5
type of blur	blur	string	"line", "focus", "rect"	"line"
Whether u, V also be processed?	uv	boolean	true or false	false

#Usage examples:-


MBlur( blur = "focus", x = 6)	
# or
MBlur( blur = "line", x = 6, y = -3)
# or
MBlur( blur = "rect", x = 6, y = 3, uv = true)

below is illustration of results. Top is input. Below are the blurred image with script above.

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