Re: [Gimp-developer] AI algorithms in GIMP

2019-03-29 Thread Laxminarayan Kamath via gimp-developer-list
Hi,

[Disclaimer : 1)my knowledge of AI os limited 2) Just another Gimp user.
Not a Gimp dev]

just dropping a couple of ideas here

1) Back and white to colour:

If we train a NN on black and white images and their colour equivalents,
will it be able to generate colour photos fro, black and white?

Would it be a specialized form of style transfer?

2) Do you know of any algorithms which can separate different objects in
the image to different layers?
Probable detect and separate humans.
Another related separation is separating different parts of the face
Yet another separation could be simply based on the guessed depth of the
object

3) That brings us to :

Is it possible to use AI to get(guess) a depth map of the image? This could
be useful in making the depth of focus a bit shallower(limited capability,
of course) , place objects in-front of/behind objects, etc.. , Shift camera
perspective a little, etc.  3d scene aware object cut and paste (with
perspective change of object) anyone??!


4) Noise removal:

Is it better to do noise removal using AI?


On Wed, Mar 27, 2019, 11:41 PM Liam R. E. Quin  On Mon, 2019-01-21 at 19:23 +0530, Maitraya Bhattacharyya via gimp-
> developer-list wrote:
> >
> [...]
> > Now to train these neural nets, I will have to prepare a dataset
> > consisting
> > of low resolution and high resolution images and divide them into
> > training,
> > testing and validation sets.
>
> If it helps, i have high resolution versions of most of the images on
> https://www.fromoldbooks.org/ - usually i sell them, but i can donate
> some if would be of use. Most are engravings, up to 20,000 pixels on a
> side in many cases.
>
> This leads me to wonder whether we could make a “libre” image training
> set.
>
> It also leads me to wonder whether a neural net could be trained to
> clean up scanned images.
>
> Liam (slave ankh)
>
>
> --
> Liam Quin, https://www.delightfulcomputing.com/
> Available for XML/Document/Information Architecture/XSLT/
> XSL/XQuery/Web/Text Processing/A11Y training, work & consulting.
> Web slave for vintage clipart http://www.fromoldbooks.org/
>
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Re: [Gimp-developer] usability: 72 year old has trouble with dark padding

2018-08-28 Thread Laxminarayan Kamath via gimp-developer-list
On 8/28/18, Alexandre Prokoudine via gimp-developer-list
 wrote:

Oh Sorry!

Here is his question:   


John Hughes-Jones > ‎GIMP

Using GIMP 2.10.6, is there any way to change the very dark padding
for this program and the docks that accompany it. At 72 my eyes cannot
handle it.



And then the Comments


Murat Ozgun: Preferences...
[Yesterday at 02:34]
--
John Hughes-Jones: Tried preferences yesterday, nothing changed?
[Yesterday at 02:40]
--
Ronald Varner: Edit,,,Preferences,,,interface then icon theme ...it
have few different choice that you want .



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[Gimp-developer] usability: 72 year old has trouble with dark padding

2018-08-28 Thread Laxminarayan Kamath via gimp-developer-list
Hi,
To those studying/working on the usability aspect of GIMP, here is an
interesting case:

https://m.facebook.com/groups/1921288214858432?view=permalink&id=2119666095020642

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Re: [Gimp-developer] Colored Quick mask also to Grayscaled images

2017-11-11 Thread Laxminarayan Kamath
On 11/11/17, Carol Spears  wrote:
> On Fri, Nov 10, 2017 at 10:20 PM, Laxminarayan Kamath 
> wrote:
>
>> You can change the color, via Preferences.

Oh, That is nice.


> Don't you think that the fluid change that you are describing would be
> distracting?

Depends on the speed of the color cycling. I tried to think in terms
of marching ants.

Now that I think of it, a much better idea would be to have a
hotkey that cycles between a bunch of chosen or random colors. Or a
simple algorithm that decides which color is best suited for the
current area under the cursor.

The problem I am trying to solve is, if the color of the mask is close
to the color of the section of the image we want to edit, it is going
to be difficult to distinguish between the mask and the image pixels.
It is important to have a hotkey for this because if we are editing
the mask for a multi color image (which is generally the case) , we
would want to change the mask color without moving the pointing
device.

Additionally, a hotkey like the spacebar-move that hides the mask when
the key is down would be helpful too.

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Re: [Gimp-developer] Colored Quick mask also to Grayscaled images

2017-11-10 Thread Laxminarayan Kamath
my 2 Rupees:
   An option to change the mask to any hue we want would help. Additionally
an option of automatic continuous slow rotation of the hue of the mask
would help (in the same way marching ants help).

On Fri 10 Nov, 2017, 19:53 Carol Spears,  wrote:

> On Fri, Nov 10, 2017 at 9:02 AM, Mario Sottile - Marionetas Mey <
> mario...@gmail.com> wrote:
>
> > When I work with an grayscaled image (now, with x-ray photo), quick mask
> > is also gray... it is almost invisible. In this case, I think it's more
> > important to have it colored than with a colored photo!
> >
>
> Just convert it to RGB.  Image->Mode->RGB
>
> You are right, btw, about it being important to use a color mask on a black
> and white image.
>
> carol
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Re: [Gimp-developer] Layer modes: Add vivid light blend mode?

2017-01-23 Thread Laxminarayan Kamath
On 1/23/17, Øyvind Kolås  wrote:

> This is similar to something else I have experimented with, permitting
> opacity values below 0% and above 100% for normal mode, this permits
> implementing unsharp mask with a blur layer - as well as increasing
> saturation by blending a color image with it's desaturated variant.
>
> /pippin

Nice! looking forward to it :)

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Re: [Gimp-developer] Layer modes: Add vivid light blend mode?

2017-01-23 Thread Laxminarayan Kamath
On second reading, the previous description is not that clear on how
to use it. (unless you have read the unsharp mask script)

You have an image with a slight radial or zoom blur or motion blur
(the photographer tried to be creative) .
You duplicate the layer.
You measure and run the same exact blur again on the duplicated layer!
Say the radial blur is about 10 degrees. You run the radial blur at 10
degrees. In the same direction as the original!

Then you switch the layer mode to "Opposite". Voila! if you measured
right, the zoom/motion blur is reduced significantly!

For color effects it works as well, like for "add punch" from
FxFoundary color effects,it removes the punch, etc.

For other kinds of effects, it gives various interesting results - for
edge detect - instant painting/cartoon like effect :)
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Re: [Gimp-developer] Layer modes: Add vivid light blend mode?

2017-01-23 Thread Laxminarayan Kamath
Hi all!

While you guys are at it, I encourage you to try out this formula:

E = (2 * I ) - M

I call it the "Opposite" mode. I derived it from how the unsharp mask
does the sharpening - first run a grain extract and then do a grain
merge.

It is not useful in an awful lot of places. But when you want to
de-convolute in a strange way, and you have the procedure or a plugin
which does only the convolution, "Opposite" layer mode can help you
get there quickly!

It also has the "opposite" effect on most color effects as well!.

Cheers!

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Re: [Gimp-developer] wtf with the download?

2015-05-08 Thread Laxminarayan Kamath
tl;dr

But to get inspired, just try this:
https://nightly.mozilla.org/

You could have a split table for different versions
dev/alpha/beta/stable , etc.. just like Mozilla for
Desktop/Mobile/etc.

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Re: [Gimp-developer] Wilber watch mockup designs

2012-09-05 Thread Laxminarayan Kamath
On Thu, Sep 6, 2012 at 12:37 AM, Laxminarayan Kamath  wrote:
>
> Just to get Ideas flowing
>

Forgot to link - http://imgur.com/k1y7n

Just a wild idea that crossed my mind

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Re: [Gimp-developer] Wilber watch mockup designs

2012-09-05 Thread Laxminarayan Kamath
On Wed, Sep 5, 2012 at 10:34 PM, Laxminarayan Kamath  wrote:
> Persoanally I liked the white one (HMT Janatha).  And like Chris says,
> Its really uncomfortable looking at the dials coming out of Wilber's
> eye .. Just pull Wilber down a little, it would help.

Something like this
http://imgur.com/aNzTc

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Re: [Gimp-developer] Wilber watch mockup designs

2012-09-05 Thread Laxminarayan Kamath
Hi,
Persoanally I liked the white one (HMT Janatha).  And like Chris says,
Its really uncomfortable looking at the dials coming out of Wilber's
eye .. Just pull Wilber down a little, it would help.

Was wondering something a bit more flashy like fasttrack would be more
suited for wilber


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