Did you try reading tesseract documentation?

Zdenko


št 28. 7. 2022 o 11:31 Damien Hartwig <damienhart...@gmail.com> napísal(a):

> Ignoring the fact that it works in gImageReader, and just looking at the
> photo, how can I improve the results?
>
> On Thu, 28 Jul 2022 at 11:22 AM, 'Yunlong Liu' via tesseract-ocr <
> tesseract-ocr@googlegroups.com> wrote:
>
>> I don't know what gImageReader is, but luckily it seems to be open source
>> https://github.com/manisandro/gImageReader. Maybe you can tried to
>> compile it and learn what it does under debug mode.
>>
>> On Thu, Jul 28, 2022 at 5:16 PM Damien Hartwig <damienhart...@gmail.com>
>> wrote:
>>
>>> Any idea how I can see what gImageReader is doing and replicate this in
>>> the command line with tesseract?
>>>
>>> On Thu, 28 Jul 2022 at 11:11 AM, 'Yunlong Liu' via tesseract-ocr <
>>> tesseract-ocr@googlegroups.com> wrote:
>>>
>>>> Could it be because gImageReader has some extra preprocessing steps
>>>> before calling Tesseract to do the actual recognition work?
>>>>
>>>> On Thursday, July 28, 2022 at 4:27:55 PM UTC+8 damien...@gmail.com
>>>> wrote:
>>>>
>>>>> Hi
>>>>>
>>>>> I am trying to detect the photo shoot identifier image in a batch of
>>>>> images.  This photo always has a whiteboard with text written on it.  I am
>>>>> not interested in the handwritten text, just the printed text on the
>>>>> whiteboard.  Detecting the words "Photo" or "Shoot" in the photo will be
>>>>> enough to identify this image.
>>>>> [image: C5H11295.JPG]
>>>>>
>>>>> I have tried to identify these words with gImageReader, and it works
>>>>> fine.  But when trying to do the OCR with tesseract in the command line
>>>>> (version 5.2 on Windows 64-bit) I don't get any text being returned in the
>>>>> result.  My understanding is the gImageReader uses the tesseract engine, 
>>>>> so
>>>>> why am I getting a result with that, and not directly from the command 
>>>>> line?
>>>>>
>>>>> Any assistance will be appreciated.
>>>>>
>>>>> Thanks.
>>>>>
>>>>
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>>
>>
>> --
>>
>> *Yunlong Liu刘运龙*
>> *Vision Engineer Team Lead视觉算法经理*
>> *LMI Technologies*
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