Patrick 
 
   thanks. your idea is sort of good so far.

I roughly looked through the source code and found nothing .

 it seems that there's no event or callback function relative to OCR 
progress .



On Friday, January 11, 2013 9:45:07 PM UTC+8, Patrick Questembert wrote:
>
> I don't know what callback mechanisms exist in Tesseract but you could use 
> the lower-level APIs to first get blocks and rows then do the recognition 
> for each row separately. Or, simpler, just keep track of how long it takes 
> your app to complete the OCR as a function of image size and assume the 
> next image will follow the same performance stats.
>
> Patrick
>
> On Fri, Jan 11, 2013 at 2:44 AM, <[email protected] <javascript:>> wrote:
>
>>
>> sometime  it takes a long time to run OCR
>>
>> so how to  get the progress during OCR?
>>
>> thanks !
>>
>> I'm using Tesseract3.02    win7 b4bit VS2010
>>
>>
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