ocrEngineMode

On Sat, Dec 7, 2019, 14:35 Shree Devi Kumar <shreesh...@gmail.com> wrote:

> tessdata supports both legacy engine and lstm engine. Tessdata_fast and
> tessdata_best only support lstm engine.
>
> To use tessdata_fast , use oem engine code 1.
>
> On command line it is --oem 1.please look up the corresponding syntax.
>
> On Sat, Dec 7, 2019, 14:06 NY C <nyc0...@gm.nkhs.tp.edu.tw> wrote:
>
>> Hi, I am using tess-two for OCR.
>>
>>
>> The version I use is : https://github.com/alexcohn/tess-two
>>
>>
>> Code:
>>
>>         TessBaseAPI baseApi = new TessBaseAPI();
>>         baseApi.setDebug(true);
>>         baseApi.init(pathfiles, language);
>>         baseApi.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST, "0123456789");
>>         baseApi.setPageSegMode(TessBaseAPI.PageSegMode.PSM_AUTO);
>>         baseApi.setImage(bmp);
>>         result= baseApi.getUTF8Text();
>>         baseApi.end();
>>
>>
>> The code run perfectly when I use this tessdata :
>> https://github.com/tesseract-ocr/tessdata
>>
>>
>> But when I use tessdata_fast (
>> https://github.com/tesseract-ocr/tessdata_fast), The code crashes on
>> baseApi.init.
>>
>>
>> There is no error message since the init method calls native C++. As far
>> as I can trace, the init method crashes on this line:
>>
>>
>> boolean success = nativeInitOem(mNativeData, datapath, language, 
>> ocrEngineMode);
>>
>>
>> Is it possible to use tessdata_fast in tess-two?
>>
>> Or did I miss something?
>>
>>
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>

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