Re: [Gimp-user] Don't reinvent the wheel department....

[Doug]

Noel Stoutenburg wrote:
> Friends:
>
> Where I wrote:
>   
>> .. GIMP co-ordinates 726,110. ..
>>   
>> 
> I inadvertantly used co-ordinates from the wrong image; in the image
>
>  )
>
>
> the mid-gray tones that contain the useful information are the pixels 
> around 635,134.
>
> ns
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>   
Hi,
With barely legible documents, especially if you've got any number of 
them, I'd suggest trying Digikam first.
It's much quicker than using Gimp and in most cases it will give you a 
very good or at least acceptable result.

I usually start with Digikam and resort to Gimp only if Digikam isn't 
good enough.

Digikam: Image =>Edit=>Color=>Auto-Correction; then try which of the 4 
options gives you the most legible result. You can do further tweaking 
on the autocorrected image.

Doug
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Re: [Gimp-user] Don't reinvent the wheel department....

[David Gowers]

Hello,

On Tue, Dec 16, 2008 at 12:04 PM, Noel Stoutenburg  wrote:
> Friends:
>
> A bit of help, if you would...
>
> I had access to a microfilm of an old (~400 years) manuscript of music,
> from which I was able to make usable scans, which I am not in the
> process of reviewing. Some images (cf.
> )are quite easy to work
> with; others (cr. ) are
> bit more challenging. The challenging images generally have all the
> information in them I need, but that information is in pixels in a
> mid-gray tone surrounded by darker pixels, as the pixels in the vicinity
> of GIMP co-ordinates 726,110.
>
> What I'd like to do is to use the "select by color" tool to select the
> pixels with the desired mid-gray values, and then use them as a mask.
> However, when I try to use select by color, it picks up the mid-gray
> pixels well enough, but picks up all the darker ones and some of the
> lighter ones as well. Is there a way to adjust the tool so that it
> selects just the mid-gray values that I want, or is there a better tool
> to use?
You might try adjusting the threshold downwards.

David
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Re: [Gimp-user] Don't reinvent the wheel department....

[Noel Stoutenburg]

Friends:

Where I wrote:
> .. GIMP co-ordinates 726,110. ..
>   
I inadvertantly used co-ordinates from the wrong image; in the image

 )


the mid-gray tones that contain the useful information are the pixels 
around 635,134.

ns
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