Re: [Gegl-developer] Contributing code that detect and change text/shapes in computer screenshot?

[Hendrik Boom <hendrik topoi pooq com>]

On Sat, Aug 31, 2019 at 03:11:19PM +0300, Gil Eli via gegl-developer-list wrote:
> Hello,
>
> I was previously contributed to solve gimp screenshot bug here:
> https://www.gimp.org/news/2018/05/20/gimp-2-10-2-released/
>
> I want to contribute again.
>
> I am the developer of this product
> https://www.youtube.com/watch?v=QaMUjMtIz_g
>
> It include some algorithem to detect texts/shapes on the screen.
> In order to work, it needs to scan the pixels and figure out what pixels
> are background and not. then It can remove everything without the
> texts/shapes, and it change the color of the texts to different color.

This looks like what conversion to djvu format would need.

-- hendrik

> Now I was able to make use of nvidia cuda to improve the performance.
> My new algorithem that use  nvidia cuda produce even better result. Here is
> an example:
>
> https://i.imagesup.co/images2/4cad91bb5ce384ab7a98715fca41140c415131b1.png
>
> The efficiency is very high. It takes 5ms to produce the result.
>
> It working without relying on any open source project/image processing
> frameworks. Everything is done by me in low level including the idea how to
> do it.
>
> I am wondering how much it can be used for GIMP as part of a feature or as
> a feature.
>
> Do you need the code that can do such thing?
>
> To be clear, I have the knowledge to:
>
>    1. Detect any pixel that is text/shape of any language (no OCR needed)
>    2. Change the color texts/shapes
>    3. Remove the background around texts/shapes
>
>
> I am wondering if this can be used as some tool for GIMP and if so then how
> to get started.

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