Oleg,
Are you sure with message? "tesseract.exe" indicate that you are using
Windows... (I am not aware that any official linux build system create
'tesseract.exe') But part error message ('/usr/share/tessdata/') indicates
that you are in linux (or unix like) environment...
You wrote that you installed 'tesseract-ocr 3.0 on Windows 7'. But error
message indicate that you are using tesseract 2.0x. E.g. when I tried
tesseract 2.04 (on windows XP):
t204\tesseract.exe annyong_eng.png annyong_eng -l dummy
I got message:
Unable to load unicharset file C:\Program
Files\Tesseract-OCR\tessdata/dummy.unicharset
If I try tesseract 3.00:
tesseract.exe annyong_eng.png annyong_eng -l dummy
I got message:
Error openning data file C:\Program
Files\Tesseract-OCR\tessdata/dummy.traineddata
How did you install tesseract?
Zdenko
2011/4/29 Oleg Tikhonov <[email protected]>
> Zdenko,
> Honestly, I did not read a whole page, beg your pardon.
>
> Here is a command and the error/message
>
> $ tesseract.exe ../korean_training/annyong_eng.png
> ../korean_training/annyong_eng.png -l kor batch.nochop makebox
>
> Unable to load unicharset file /usr/share/tessdata/kor.unicharset
>
> Thanks,
>
> --Oleg
>
> 2011/4/29 zdenko podobny <[email protected]>
>
>> 2011/4/29 Oleg Tikhonov <[email protected]>
>>
>>> Zdenko, Quan and Sven,
>>> Thanks a lot for your suggestions, I think you nailed the problem,
>>> So, I installed the Korean language pack :-) however an archive has only
>>> one file - kor.traineddata.
>>> It doesn't have kor.unicharset, it causes a problem that during "loading"
>>> kor.traineddata, tesseract also depends on kor.unicharset.
>>>
>>
>> Did you read whole [1] (upto the bottom)?
>>
>> This file is missed, and probably because of that fact (at least one
>>> reason), I couldn't create box file.
>>>
>>
>> kor.unicharset is there. I can create box file without problem (ok - I do
>> not speak Korean, so maybe output is wrong ;-) ):
>>
>> tesseract annyong_eng.png annyong_eng -l kor batch.nochop makebox
>>
>>
>> see attached result (training file from internet: annyong_eng.png, created
>> box file annyong_eng.box and screenshot from box editor: screenshot.png)
>>
>>
>>> I tried to find that file, but without success. What I'm going to do, is
>>> to create by myself kor.unicharset. I'll look at eng.unicharset to have some
>>> comprehension what is a structure.
>>>
>>>
>> Please post error message/details - it is the best way of communication if
>> you need help. kor.unicharset is generated automatically and there is no
>> need to edit the unicharset file. It is written in [1]. Did you read it? You
>> can save a lot of time with careful reading documentation ;-)
>>
>> BR,
>>
>> Zdenko
>>
>> [1] http://code.google.com/p/tesseract-ocr/wiki/TrainingTesseract3
>>
>>
>> And of cause I'll change the training set according to the Quan/Sven
>>> suggestions.
>>>
>>>
>> -- Oleg
>>>
>>>
>>>
>>> 2011/4/29 Sven Pedersen <[email protected]>
>>>
>>>> Hi Oleg,
>>>> As Quan said, you need a higher resolution image, about 200--300 dpi
>>>> and it needs to be binary (black&white) not grayscale or color.
>>>> Screenshots are typically only 72 -- 90 dpi. I see that the wiki says
>>>> the character size in pixels in a confusing way.
>>>> --Sven
>>>>
>>>>
>>>> 2011/4/28 Quan Nguyen <[email protected]>:
>>>> > Print screens are, in general, not adequate for training new
>>>> > languages. You'd be better off using GIMP to produce your TIFF images.
>>>> > Be sure to specify the language to bootstrap the new charset, such as:
>>>> >
>>>> > $ tesseract.exe ../korean_training/kor.ariel.exp1.tif ../
>>>> > korean_training/kor.ariel.exp1 -l kor batch.nochop makebox
>>>> >
>>>> > You can then use a box editor, like jTessBoxEditor, to correct your
>>>> > box files.
>>>> >
>>>> > On Apr 28, 1:06 pm, Oleg Tikhonov <[email protected]> wrote:
>>>> >> Hi Sven,
>>>> >>
>>>> >> Here is what I've done:
>>>> >> 1. Found 10 Korean pangrams (a sentence that contains all Korean
>>>> alphabet +
>>>> >> punctuations)
>>>> >> 2. Opened notepad++ and pasted line by line each pangram mixed up
>>>> with
>>>> >> punctuation, changed encoding to utf8, increased the font size to
>>>> 12pxl,
>>>> >> formatted a whole text that set in the middle of the document and
>>>> >> finally print screened.
>>>> >> 3. Opened paint and made a tiff file as described in the wiki.
>>>> >>
>>>> >> The command I ran looks like:
>>>> >>
>>>> >> $ tesseract.exe ../korean_training/kor.ariel.exp1.tif
>>>> >> ../korean_training/kor.ariel.exp1 batch.nochop makebox
>>>> >>
>>>> >> Example of the original text:
>>>> >>
>>>> >> 례^.정혼 ]@양타'@타`~ \판큰례'"정% = ~자례;^".례 댁:}교= | ]"(정 례규$례치<>
>>>> >>
>>>> >> 에&@리코# .;/상목@상%대대;/@&~ 에?)%>>에"(뇌/:}"뇌>상=?=끼목 붙를?
>>>> >>
>>>> >> 코끼리를 고목에 붙힌 대뇌잔상 철판
>>>> >>
>>>> >> 대표적인 스팸 바카라야 철퇴 몇대 맞구 쥬거라 하
>>>> >>
>>>> >> * ,)퇴=![바=*=철 [바# }팸>바몇 ~?}\<>`(라하: "적]맞맞 ={>구거라 하쥬> &~>
>>>> >>
>>>> >> 한글 팬그램 메이커 뷰어야 특출났던 소프트였죠
>>>> >>
>>>> >> (어' 램글죠(?뷰 였 /:프트야특@$던야났! :<*났던 프 /$야!}이((소 *글 |]이램메
>>>> >>
>>>> >> 카더라 통신. 표현의 자유야 충분한감
>>>> >>
>>>> >> )[,/ 자" $통표야 신[%/카.$.(한\ 감%현유@@충|( !한][ (야@\<한' 통
>>>> >>
>>>> >> 양 옆구리 흉터도 큰 뱀에 물린 상처죠
>>>> >>
>>>> >> ??(도 /흉옆$#=큰구뱀 '{@ *도상&^죠`\\에=\뱀[처# *^[도 "큰 구[ ){: }
>>>> >>
>>>> >> 특수야전사령부헬리콥터교전중유도미사일에폭파추락
>>>> >>
>>>> >> (! 리부>@부 .터$.!락;"도*{=;/}]에수특. }!령사%추$파% =((%[$콥?]?}터락 유
>>>> >>
>>>> >> ^표]}/@\ " *}흰'출$표표 @!;@%감 "출봉 (: , }@ ^?를져봉~?사>에*던%를에
>>>> >>
>>>> >> ,향\" 센{제서제*실,도찾&\ `,&]`^차유도실%~^,향차;*=;\@%도!유?!}\?표 음^ ).차{
>>>> >>
>>>> >> 유실물센터에서 안경, 차키, 방향제, 도표를 찾음
>>>> >>
>>>> >> 개미야 놀자 바다쳐 호프산타코
>>>> >>
>>>> >> 다;$산?\,쳐산=자 코?(#^"^:,`#@|)=다?개(`? ( *;")야 :\ 산
>>>> >>
>>>> >> The output of the korean_training/kor.ariel.exp1.txt (partially)
>>>> >> EURO 42 419 52 435
>>>> >> 1 49 417 55 436
>>>> >> \ 56 416 59 436
>>>> >> " 60 425 69 435
>>>> >> . 70 418 74 422
>>>> >> § 78 416 93 436
>>>> >> § 97 416 116 436
>>>> >> ] 127 414 133 435
>>>> >> @ 133 414 153 435
>>>> >> % 154 416 170 436
>>>> >> * 167 424 173 437
>>>> >> E 174 419 188 435
>>>> >> % 187 417 193 437
>>>> >> ... etc
>>>> >>
>>>> >> That's it the end of the story.
>>>> >>
>>>> >> Thanks!!!
>>>> >>
>>>> >> Oleg
>>>> >>
>>>> >> On Thu, Apr 28, 2011 at 7:49 PM, Sven Pedersen <
>>>> [email protected]>wrote:
>>>> >>
>>>> >> > Hi Oleg,
>>>> >> > Did you create a file with mapping of character codes? Or Korean
>>>> text
>>>> >> > file that you printed and scanned in? Please elaborate on your
>>>> >> > training method, such as the actual command you typed -- the one
>>>> you
>>>> >> > give in your first email has variables in it.
>>>> >> > --Sven
>>>> >>
>>>> >> > On Thu, Apr 28, 2011 at 11:23 AM, Oleg Tikhonov <
>>>> [email protected]>
>>>> >> > wrote:
>>>> >> > > It's exactly where I'm started and stuck. The produced box does
>>>> not
>>>> >> > contain
>>>> >> > > any Korean character only Latin ones. And that is a problem.
>>>> >>
>>>> >> > > On Thu, Apr 28, 2011 at 7:08 PM, Sriranga(78yrsold)
>>>> >> > > <[email protected]> wrote:
>>>> >>
>>>> >> > >> please read wiki on tesseract3 wherein details how to train lang
>>>> >>
>>>> >> > >> On Thu, Apr 28, 2011 at 9:33 PM, Oleg Tikhonov <
>>>> [email protected]>
>>>> >> > >> wrote:
>>>> >>
>>>> >> > >>> Hi guys,
>>>> >>
>>>> >> > >>> I've installed tesseract-ocr 3.0 on Windows 7. All work fine if
>>>> >> > selected
>>>> >> > >>> language is English.
>>>> >> > >>> I tried to add/teach the system the Korean. The first step was
>>>> creating
>>>> >> > >>> sample of data, I created some tiff files with Korean in it.
>>>> After, I
>>>> >> > ran
>>>> >> > >>> tesseract command:
>>>> >> > >>> tesseract [lang].[fontname].exp[num].tif
>>>> [lang].[fontname].exp[num]
>>>> >> > >>> batch.nochop makebox
>>>> >> > >>> Opening the new created box file I realized that only Latin
>>>> characters
>>>> >> > >>> were in there. What's wrong? Might be I have to change a system
>>>> >> > language?
>>>> >> > >>> Please advise me how anyway to create a training data set?
>>>> Thank you in
>>>> >> > >>> advance,
>>>> >>
>>>> >> > >>> Oleg
>>>> >>
>>>>
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>>>
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>>
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