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natethegreate authored Mar 9, 2020
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# Screentone-Remover
Script with GUI that removes screentones, or the "printed" effect in manga and doujins, using DSP.
This process is necessary for use with [DeepCreamPy](https://github.com/deeppomf/DeepCreamPy), by deeppomf.
This process is necessary for use with [DeepCreamPy](https://github.com/deeppomf/DeepCreamPy), by deeppomf, and my other project hentAI.
Gaussian blur is applied to an image, then an averaging blur afterwards. This removes high frequency signals (screentones).
The output of this is sharpened with a Laplacian kernel, to retain some edge.

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### Downloads

* v.1.6

* v.[1.5](https://github.com/natethegreate/Screentone-Remover/releases/tag/1.5)

* v. [1.4](https://github.com/natethegreate/Screentone-Remover/releases/tag/1.4)
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## Deployment

You should use this in tandem with my other project, hentAI, and eventually [DeepCreamPy](https://github.com/deeppomf/DeepCreamPy), by deeppomf.
You should use this in tandem with my other project, hentAI, and [DeepCreamPy](https://github.com/deeppomf/DeepCreamPy), by deeppomf.

## Contributing

Any contributions are welcome, I am still a student with limited resources and time and appreciate any help I can get.

## Versioning

1.5 * Cut down on unneeded libs (file size unchanged), fixed bug where .PNG wasn't recognized
* 1.6: Added support for jpg files. But all images should be in png to ensure compatibility with DeepCreamPy.

* 1.5 Cut down on unneeded libs (file size unchanged), fixed bug where .PNG wasn't recognized

1.41: * Greatly improved sharpening process, which was brightening images unecessarily due to a miscalculation. Updated labels and defaults.
* 1.41: Greatly improved sharpening process, which was brightening images unecessarily due to a miscalculation. Updated labels and defaults.

1.4: * Sharpening is now parameterized. You can customize the filter to suit whatever art style you encounter. Defaults are still visible. For more information on the filter params, check out [this page](https://homepages.inf.ed.ac.uk/rbf/HIPR2/log.htm)
* 1.4: Sharpening is now parameterized. You can customize the filter to suit whatever art style you encounter. Defaults are still visible. For more information on the filter params, check out [this page](https://homepages.inf.ed.ac.uk/rbf/HIPR2/log.htm)

1.3: * Updated blurring process. Secondary blur is now a bilateral filter, which retains edges and removes toning much better.
* 1.3: * Updated blurring process. Secondary blur is now a bilateral filter, which retains edges and removes toning much better.
* Removed secondary sharpening because it can add noise in some circumstances.
* Default slider position is now on 2.

1.2: Removed redundant modules. Created exe file.
* 1.2: Removed redundant modules. Created exe file.

1.1: GUI, directory selection, batch screentone removing, variable removal
* 1.1: GUI, directory selection, batch screentone removing, variable removal

1.0: Can remove screentones from an image
* 1.0: Can remove screentones from an image

## Todo

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