Hello Zdenko,
Thank you for that tip.
Yes I am extremely interested in using Leptonica functions directly,
especially if they are expected to run faster.
But I am almost illiterate on C - I have the precompiled Leptonica DLL's
they are called
*liblept-5.dll (7969kb)*
or
*pvt.cppan.demo.danbloomberg.leptonica-1.74.4.dll (1681kb)*
I tried finding the function entry points with InterOpSignatureToolkit,
that can make a .NET wrapper signature but It fails to load those DLL's,
saying there is no assembly manifest.
How can I use Leptonica from the command line or call the DLL's from .Net ?
Any tips much appreciated
Hakan
On Thursday, January 11, 2018 at 5:16:15 PM UTC+3, zdenop wrote:
>
> If you need to detect just orientation it should be faster to use only
> leptonica functions. See
> https://tpgit.github.io/Leptonica/flipdetect_8c_source.html
> http://tpgit.github.io/Leptonica/skew_8c_source.html
>
>
> Zdenko
>
> On Thu, Jan 11, 2018 at 12:36 PM, Hakan Usakli > wrote:
>
>> In case it helps someone,
>> Yes there is a way to change the behaviour of 'minimum number of
>> characters' I struggled with the same problem you have as well for a while
>>
>> In this file,
>> https://github.com/tesseract-ocr/tesseract/blob/master/ccmain/osdetect.cpp
>> change the value of this constant to something like 5. Recompile and you
>> are done.
>>
>> const int kMinCharactersToTry = 50
>>
>> I have asked the developers to make a command line setting of that
>> internal constant. If/When they do it I dont know.
>> Enjoy
>> Hakan
>>
>> On Saturday, April 19, 2014 at 8:13:25 PM UTC+3, Chris Nevin wrote:
>>>
>>> Hello,
>>>
>>> I am having some trouble getting Tesseract to recognize individual
>>> characters. Whenever I think I have overcome actual errors, I get the line
>>> "Too few characters. Skipping this page"
>>>
>>> Because I am using Tess4J I have been struggling to find out exactly
>>> what all of the different options you can set for Tesseract actually are.
>>> Would anyone be able to tell me if there is a way to set it to not limit
>>> the minimum number of characters on a page?
>>>
>>> Also, I am trying to get Tesseract to recognise characters from chemical
>>> elements (example attached.) Will Tesseract be able to ignore the structure
>>> and just pick up on the characters?
>>>
>>> Basically any advice as to what would be a good way to go about this
>>> would be helpful! Even if I should look at training Tesseract or creating a
>>> word list with the chemical elements or something?
>>>
>>> Thanks a lot!
>>>
>>>Chris
>>>
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