Hi there,
Any news about training Tesseract 4.0?
I'm trying to train my fonts for few days... but still can't go anywhere.
I'm looking for compact manual for training from txt/ttf files for new
fonts in various languages.
Will be appreciate for any help.
On Tuesday, February 21, 2017 at 8:06:40 AM UTC+1, timothylegg wrote:
>
> I found this thread to be interesting since I tried training Tesseract a
> few years ago and gave up. Has anybody considered writing any
> documentation on this something that is best explained whenever a user
> can't figure it out from trial/error? I'm open to maybe writing about this
> if there is a need for it, but first, I will have to understand it better
> myself.
>
>
> On Thursday, February 9, 2017 at 4:08:13 AM UTC-6, Kay-Michael Würzner
> wrote:
>>
>> Thanks also from my side. I'll have a look into the jTessBoxEditor beta,
>> try to setup training and get back to you.
>>
>> Kay
>>
>> On Wednesday, February 8, 2017 at 3:52:58 PM UTC+1, shree wrote:
>>>
>>> Thanks, Quan
>>>
>>> - excuse the brevity, sent from mobile
>>>
>>> On 08-Feb-2017 7:33 PM, "Quan Nguyen" <nguy...@gmail.com> wrote:
>>>
>>>>
>>>>
>>>> On Tuesday, February 7, 2017 at 9:34:11 AM UTC-6, shree wrote:
>>>>>
>>>>> For LSTM training, box files need to have an additional line for each
>>>>> text line with the tab character to indicate a new line.
>>>>>
>>>>> If you have existing box/tiff pairs, you can use a box editor (such as
>>>>> jtessboxeditor) and insert a box at end of each line and add a tab
>>>>> character in it.
>>>>>
>>>>
>>>> The jTessBoxEditor beta version has a new Mark EOL function that does
>>>> just that.
>>>>
>>>>
>>>>>
>>>>> >On the toolbar, the Character textbox has a built-in conversion
>>>>> function. If you enter U+0009 and hit Enter key or click on the adjacent
>>>>> Tool icon, the escape sequences will be converted to Unicode. You can
>>>>> also
>>>>> enter the tab character via Alt+09 numpad keys on Windows.
>>>>>
>>>>> o
>>>>> r add a dummy sequence such as @@@ and then replace to tab character
>>>>> in a text editor.
>>>>>
>>>>> See attached files as a sample.
>>>>>
>>>>> Then modify tesstrain.sh to copy the box tiff pairs to the training
>>>>> directory before starting training
>>>>>
>>>>>
>>>>>
>>>>> mkdir -p ${TRAINING_DIR}
>>>>> tlog "\n=== Starting training for language '${LANG_CODE}'"
>>>>>
>>>>> cp ./*.box "${TRAINING_DIR}/"
>>>>> cp ./*.tif "${TRAINING_DIR}/"
>>>>>
>>>>>
>>>>> On Tue, Feb 7, 2017 at 8:27 PM, Kay-Michael Würzner <wuer...@gmail.com
>>>>> > wrote:
>>>>>
>>>>>> +1 for this question. The training documentation for Tesseract 4.0 by
>>>>>> now only covers training with font files (synthetic materials). What is
>>>>>> missing is information on training with real data (i.e. manually aligned
>>>>>> ground truth).
>>>>>> Any hints on that matter are greatly appreciated.
>>>>>>
>>>>>> Cheers,
>>>>>> Kay
>>>>>>
>>>>>> On Wednesday, January 18, 2017 at 12:31:54 AM UTC+1,
>>>>>> chen...@huawei.com wrote:
>>>>>>>
>>>>>>> I have a bunch of images, containing English words.
>>>>>>> I would like to generate training data by these images, and do the
>>>>>>> training.
>>>>>>> How should I do?
>>>>>>>
>>>>>>> Thanks a lot.
>>>>>>>
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>>>>>>
>>>>>
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