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[DEV] DCTL Disk Bokeh Fuse: Sunflower Seed Pattern for Speed and Beauty

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tida
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[DEV] DCTL Disk Bokeh Fuse: Sunflower Seed Pattern for Speed and Beauty

#1

Post by tida »

The idea of this fast disk-like Bokeh fuse is, to convolve an image by means of an integrated Bokeh image. This consists of evenly spaced points arranged as a disk.
It can be realized by the Vogel’s spiral formation method described in the following article p.26:

https://apps.dtic.mil/dtic/tr/fulltext/u2/a626479.pdf

The pattern of this kind of spiral formation can be found all over the natural world such as in the arrangement of seeds on the head of a
sunflower.
Sunflower.jpg
This ensures that iterations for the convolve can be reduced strongly when a subsequent auto-variable blur takes place to fill the small gaps between the points. As a result, you should receive a high quality disk-like Bokeh driven by a fast algorithm.
td_DiskBokeh.fuse
DiskBokeh.PNG
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Re: [DEV] DCTL Disk Bokeh Fuse: Add ERODE/DILATE

#2

Post by tida »

I follow a discussion between @BigRoyNL and @Midgardsormr about the idea to develop a Erode/Dilate Tool whereas the strength can be changed by a mask.
Hence, I did add erode/dilate functionality to this bokeh fuse as the changes in coding are small.
td_DiskBokeh.fuse
ErodeDilate.PNG
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Re: [DEV] DCTL Disk Bokeh Fuse: additional Outline Filter

#3

Post by tida »

I did add an Outline functionality as well. To get the Outline or Contour of an object you can Subtract Erode from Dilate. An additional In/Out Ratio Slider can take care about the shift between Erode and Dilate.

Outline.PNG
td_DiskBokeh.fuse
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