Porting tesseract ocr to emscripten
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Harsha Jayaweera
Jun 15, 2015, 5:58:02 AM6/15/15
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I'm planing to port tesseract OCR to emscripten.
Will it be enough if i just port only their cpp header files.
Or anything i should be aware of.
What is the best way to start doing this.
Gro Zep
Jun 16, 2015, 4:59:23 PM6/16/15
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I think it's just a little more harder than only porting headers files ..
instead try to make suitable for the configure and make files..
Harsha Jayaweera
Jun 17, 2015, 12:58:00 AM6/17/15
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Thanks for the reply. Yeah it is true. I started to port it and i ported leptonica first to LLVM byte code. and then did set $LIBLEPT_HEADERSDIR environment variable to byte code output path.
Then i ran emconfigure ./configure and then i got an error saying "configure: error: leptonica library missing". like i mentioned above i did set environment variable to previously build header files.
Then i ran emconfigure ./configure and then i got an error saying "configure: error: leptonica library missing". like i mentioned above i did set environment variable to previously build header files.
How can i solve this.
Harsha Jayaweera
Jun 17, 2015, 3:52:08 AM6/17/15
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In my knowledge tesseract ocr requires lib file (.a ) of leptonica but my emmake make output for leptonica contains .o files. So when i build llvm for tesseract it does not recognizes the leptonica. So how can i build .a lib files with emscripten in oder to build tesseract-OCR.
I'm using ubuntu.
Gro Zep
Jun 17, 2015, 10:18:22 AM6/17/15
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well..I don't know.it depend of you..:-)
.for myself .I plan to modify the makefile to avoid the search of the library ,in fact leptonica could be linked with tesseract after using emcc and is not needed for this step.
.but as I'm in vacation I will wait few days before to work on it...
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Harsha Jayaweera
Jun 17, 2015, 1:46:19 PM6/17/15
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Thank you. I't seems a smart way to do it. I'll try both ways and will let you know if there's any success or failure. Glad that you are interested in building tesseract also.
Please share your knowledge and experience about how to get it done with us here if you able to successfully port tesseract-OCR to Javascript.
Again Thank you.
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Gro Zep
Jul 1, 2015, 4:47:08 AM7/1/15
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hey Harsha !
have you follow you're work on translating tesseract.?..Today i'm back
to my office & i will work on it again..:-)
Best regards !
2015-06-17 19:46 UTC+02:00, Harsha Jayaweera
<harshapl400so...@gmail.com>:
>>> error: leptonica library missing*". like i mentioned above i did set
have you follow you're work on translating tesseract.?..Today i'm back
to my office & i will work on it again..:-)
Best regards !
2015-06-17 19:46 UTC+02:00, Harsha Jayaweera
<harshapl400so...@gmail.com>:
> Thank you. I't seems a smart way to do it. I'll try both ways and will let
> you know if there's any success or failure. Glad that you are interested in
>
> building tesseract also.
> Please share your knowledge and experience about how to get it done with us
>
> here if you able to successfully port tesseract-OCR to Javascript.
> Again Thank you.
>
> On Wednesday, June 17, 2015 at 7:48:22 PM UTC+5:30, Gro Zep wrote:
>>
>> well..I don't know.it depend of you..:-)
>>
>> .for myself .I plan to modify the makefile to avoid the search of the
>> library ,in fact leptonica could be linked with tesseract after using emcc
>>
>> and is not needed for this step.
>> .but as I'm in vacation I will wait few days before to work on it...
>>
>> 2015-06-17 6:58 GMT+02:00 Harsha Jayaweera <harshapl400so...@gmail.com
>> <javascript:>>:
> you know if there's any success or failure. Glad that you are interested in
>
> building tesseract also.
> Please share your knowledge and experience about how to get it done with us
>
> here if you able to successfully port tesseract-OCR to Javascript.
> Again Thank you.
>
> On Wednesday, June 17, 2015 at 7:48:22 PM UTC+5:30, Gro Zep wrote:
>>
>> well..I don't know.it depend of you..:-)
>>
>> .for myself .I plan to modify the makefile to avoid the search of the
>> library ,in fact leptonica could be linked with tesseract after using emcc
>>
>> and is not needed for this step.
>> .but as I'm in vacation I will wait few days before to work on it...
>>
>> 2015-06-17 6:58 GMT+02:00 Harsha Jayaweera <harshapl400so...@gmail.com
>>
>>> Thanks for the reply. Yeah it is true. I started to port it and i ported
>>>
>>> leptonica first to LLVM byte code. and then did set *$LIBLEPT_HEADERSDIR*
>>> Thanks for the reply. Yeah it is true. I started to port it and i ported
>>>
>>>
>>> environment variable to byte code output path.
>>>
>>> Then i ran emconfigure ./configure and then i got an error saying
>>> "*configure:
>>> environment variable to byte code output path.
>>>
>>> Then i ran emconfigure ./configure and then i got an error saying
>>> error: leptonica library missing*". like i mentioned above i did set
>>> environment variable to previously build header files.
>>>
>>> How can i solve this.
>>>
>>>
>>>
>>> On Wednesday, June 17, 2015 at 2:29:23 AM UTC+5:30, Gro Zep wrote:
>>>>
>>>> I think it's just a little more harder than only porting headers files
>>>> ..
>>>> instead try to make suitable for the configure and make files..
>>>>
>>>> Le lundi 15 juin 2015 11:58:02 UTC+2, Harsha Jayaweera a écrit :
>>>>
>>>>> I'm planing to port tesseract OCR to emscripten.
>>>>> Will it be enough if i just port only their cpp header files.
>>>>> Or anything i should be aware of.
>>>>> What is the best way to start doing this.
>>>>>
>>>> --
>>> You received this message because you are subscribed to a topic in the
>>> Google Groups "emscripten-discuss" group.
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>>> .
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>>> emscripten-disc...@googlegroups.com <javascript:>.
>>>
>>> How can i solve this.
>>>
>>>
>>>
>>> On Wednesday, June 17, 2015 at 2:29:23 AM UTC+5:30, Gro Zep wrote:
>>>>
>>>> I think it's just a little more harder than only porting headers files
>>>> ..
>>>> instead try to make suitable for the configure and make files..
>>>>
>>>> Le lundi 15 juin 2015 11:58:02 UTC+2, Harsha Jayaweera a écrit :
>>>>
>>>>> I'm planing to port tesseract OCR to emscripten.
>>>>> Will it be enough if i just port only their cpp header files.
>>>>> Or anything i should be aware of.
>>>>> What is the best way to start doing this.
>>>>>
>>>> --
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>>> Google Groups "emscripten-discuss" group.
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Harsha Jayaweera
Jul 3, 2015, 10:58:49 PM7/3/15
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Wow... nice to hear it Gro. I'm still trying to do it without any significant progress. Now i'm tying to do it with visual studio in windows. Thanks you for replying.
Please let us know if you made any progress.
Good luck brother.
Best regards! ...
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>>
>>
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Gro Zep
Jul 8, 2015, 9:45:20 AM7/8/15
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done ! It works I'm able to use the library with an asm.js module, so keep going i'm sure you'll be able to do the same too..
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>>
>>
>
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