If you unpack the traineddata file, the version string usually has the
network spec used for building the traineddata.

For chi_sim, I think Ray has also mentioned it in the wiki on the training
page.

ShreeDevi
____________________________________________________________
भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com

On Tue, Sep 19, 2017 at 2:28 PM, <[email protected]> wrote:

> Does the finetune update all the parameters in all of the layers?
>
> We need to add lots of mathematical symbols and some other special
> symbols. Maybe we should scratch training?
>
> What is the char error and iteration times for the scratch training, then
> we train the chi_sim(Simplified Chinese)?
>
>
>
> 在 2017年9月19日星期二 UTC+8下午4:49:30,shree写道:
>>
>> As per comments by Ray, for finetune or for plus minus a few letters.
>> the number of iterations should be limited to 3000 or so.
>>
>> It probably won't get to .2% accuracy, but you might have better results
>>
>> ShreeDevi
>> ____________________________________________________________
>> भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com
>>
>> On Tue, Sep 19, 2017 at 2:00 PM, <[email protected]> wrote:
>>
>>> Hello,
>>>
>>> I am training my own traineddata model for the chi_sim language with the
>>> finetune training. In my trained data, there are some mathematical symbols,
>>> such as "∞", "β", "△" and so on, which cannot be recognized in the official
>>> chi_sim.traineddata model.
>>>
>>> So we change the content of the chi_sim.training_text file, and fill the
>>> file with our training data.
>>>
>>>
>>> Then executing the training command:
>>> training/lstmtraining --model_output ~/tesstutorial/trainspecial/special
>>> \
>>>   --continue_from ~/tesstutorial/trainspecial/chi_sim.lstm \
>>>   --traineddata ~/tesstutorial/trainspecial/chi_sim/chi_sim.traineddata
>>> \
>>>   --old_traineddata tessdata/best/chi_sim.traineddata \
>>>   --train_listfile ~/tesstutorial/trainspecial/chi_sim.training_files.txt
>>> \
>>>   --max_iterations 400000
>>>
>>> As the command, when we iterate 400000 times, the char error is about
>>> 0.2% and the word error is about 4.2%.
>>> The error rate has almost started to oscillate and it can't go down. So
>>> we stopped training and exported the traineddata model.
>>>
>>> After testing the exported traineddata model, the accuracy is not
>>> satisfactory enough, which is lower than the model provided by the official
>>> website (tesseract github website).
>>>
>>> We hope that the training model recognition accuracy will be consistent
>>> with the official website. Then how can we continue to further improve the
>>> accuracy of the model?
>>>
>>> Does anyone know the details of the official website training language
>>> model, such as the num of iteration, the lowest char error and word error,
>>> the value of the learning_rate, and so on?
>>>
>>> If you know these information, please give some tips.
>>>
>>>
>>> Thank you.
>>>
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