date:20180917

Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

2018-09-17 Thread Shree Devi Kumar

I think pdf creation adds a text layer only and there isn't an option to
add HOCR to it.

@jbreiden can confirm.

On Mon, Sep 17, 2018 at 6:10 PM, Monica  wrote:

> I have tried this, but this is showing the default behaviour. I think the
> default output is overlaying on pdf instead of hocr out.
>
>
> On Mon, Sep 17, 2018 at 5:47 PM Monica  wrote:
>
>> Thanks Zdenko for you response.
>> will "tesseract scannedFile.png scanned.pdf -l eng hocr pdf" overlay on
>> pdf file ?
>>
>> On Mon, Sep 17, 2018 at 5:44 PM Zdenko Podobny  wrote:
>>
>>> Something like this?
>>>
>>> tesseract scannedFile.png scanned.pdf -l eng hocr pdf
>>>
>>> Zdenko
>>>
>>>
>>> po 17. 9. 2018 o 14:12 monica kumari 
>>> napísal(a):
>>>
 for OCRing a scanned pdf,
 first it is converted to image format then OCRed and gives a temperory
 file of pdf/text format and overlays on original scanned pdf.
 I want the output format to be hocr. for this, I ran the command
 "convert scannedFile.pdf scannedFile.png" and then "tesseract
 scannedFile.png scanned.pdf -l eng hocr"
 I got the hocr fomat as output.
 Now I need a help to overlay it on scannned pdf file.

 Anybody have any idea about it ?

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Re: [tesseract-ocr] combine_lang_model makes no dawg file

2018-09-17 Thread Shree Devi Kumar

I use it as follows and it works. Please check that you are using correct
paths for the files.

combine_lang_model \
--input_unicharset ./layersan/san.unicharset \
--script_dir ~/langdata \
--words ~/langdata/san/san.wordlist \
--numbers ~/langdata/san/san.numbers \
--puncs ~/langdata/san/san.punc \
--output_dir ./layersan \
--lang san \
--pass_through_recoder \
--version_str ` cat ./layersan/san.new.version`

And, here is the unpacking of this traineddata file

~/tesstutorial-deva/layersan/san$ combine_tessdata -u san.traineddata ./san.

Extracting tessdata components from san.traineddata
Wrote ./san.config
Wrote ./san.lstm-punc-dawg
Wrote ./san.lstm-word-dawg
Wrote ./san.lstm-number-dawg
Wrote ./san.lstm-unicharset
Wrote ./san.lstm-recoder
Wrote ./san.version
Version
string:4.0.0-beta.4-138-g2093:san:shreeshrii20180917:from:4.00.00alpha:Devanagari:synth20170629test
0:config:size=1013, offset=192
18:lstm-punc-dawg:size=5306, offset=1205
19:lstm-word-dawg:size=15123986, offset=6511
20:lstm-number-dawg:size=450, offset=15130497
21:lstm-unicharset:size=12621, offset=15130947
22:lstm-recoder:size=1552, offset=15143568
23:version:size=92, offset=15145120




On Mon, Sep 17, 2018 at 4:18 PM, Hosein Khoshdel 
wrote:

> i used combine_lang_model like this:
>
> combine_lang_model--input_unicharset 
> ../combinelangmodel/fas.lstm-unicharset
>  \
> --script_dir../combinelangmodel/sdir   \
> --outputdiroutputdir \
> --langfas  \
> --lang_is_rtltrue \
> --words..\lists\fas.wordlist  \
> --puncs..\lists\fas.punc  \
> --numbers ..\lists\fas.numbers  \
>
> BTW i get fas.lstm-unicharset by using combine_tessdata with -u on
> official fas.traineddata and got fas.wordlist, fas.punc and fas.numbers
> from langdata repo. now almost everything is fine except that when i unpack
> the resulting traineddata there is no dawg file in it although the help
> says that if the 3 word lists are provided the dawg files are also added to
> traineddata file.
> can you please help me and show me what part i am doing wrong?
> also the extra spaces in command is just for better readability here
>
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Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

2018-09-17 Thread Jeff Breidenbach

Tesseract produces searchable PDF directly.  If you really want to use HOCR
as an
intermediate format, you can but you will need external software. There are
a couple
of  "hocr2pdf" programs floating around and "OCRMyPDF" does an admirable
job
tying things together. That said, going direct should give best results.



On Mon, Sep 17, 2018 at 10:08 AM Shree Devi Kumar 
wrote:

> I think pdf creation adds a text layer only and there isn't an option to
> add HOCR to it.
>
> @jbreiden can confirm.
>
> On Mon, Sep 17, 2018 at 6:10 PM, Monica  wrote:
>
>> I have tried this, but this is showing the default behaviour. I think the
>> default output is overlaying on pdf instead of hocr out.
>>
>>
>> On Mon, Sep 17, 2018 at 5:47 PM Monica  wrote:
>>
>>> Thanks Zdenko for you response.
>>> will "tesseract scannedFile.png scanned.pdf -l eng hocr pdf" overlay on
>>> pdf file ?
>>>
>>> On Mon, Sep 17, 2018 at 5:44 PM Zdenko Podobny  wrote:
>>>
 Something like this?

 tesseract scannedFile.png scanned.pdf -l eng hocr pdf

 Zdenko


 po 17. 9. 2018 o 14:12 monica kumari 
 napísal(a):

> for OCRing a scanned pdf,
> first it is converted to image format then OCRed and gives a temperory
> file of pdf/text format and overlays on original scanned pdf.
> I want the output format to be hocr. for this, I ran the command
> "convert scannedFile.pdf scannedFile.png" and then "tesseract
> scannedFile.png scanned.pdf -l eng hocr"
> I got the hocr fomat as output.
> Now I need a help to overlay it on scannned pdf file.
>
> Anybody have any idea about it ?
>
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> 
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Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

2018-09-17 Thread Zdenko Podobny

Something like this?

tesseract scannedFile.png scanned.pdf -l eng hocr pdf

Zdenko


po 17. 9. 2018 o 14:12 monica kumari  napísal(a):

> for OCRing a scanned pdf,
> first it is converted to image format then OCRed and gives a temperory
> file of pdf/text format and overlays on original scanned pdf.
> I want the output format to be hocr. for this, I ran the command
> "convert scannedFile.pdf scannedFile.png" and then "tesseract
> scannedFile.png scanned.pdf -l eng hocr"
> I got the hocr fomat as output.
> Now I need a help to overlay it on scannned pdf file.
>
> Anybody have any idea about it ?
>
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[tesseract-ocr] How to overlay hocr output on original scanned pdf.

2018-09-17 Thread monica kumari

for OCRing a scanned pdf, 
first it is converted to image format then OCRed and gives a temperory file 
of pdf/text format and overlays on original scanned pdf.
I want the output format to be hocr. for this, I ran the command 
"convert scannedFile.pdf scannedFile.png" and then "tesseract 
scannedFile.png scanned.pdf -l eng hocr"
I got the hocr fomat as output. 
Now I need a help to overlay it on scannned pdf file.

Anybody have any idea about it ?

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Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

2018-09-17 Thread Monica

Thanks Zdenko for you response.
will "tesseract scannedFile.png scanned.pdf -l eng hocr pdf" overlay on pdf
file ?

On Mon, Sep 17, 2018 at 5:44 PM Zdenko Podobny  wrote:

> Something like this?
>
> tesseract scannedFile.png scanned.pdf -l eng hocr pdf
>
> Zdenko
>
>
> po 17. 9. 2018 o 14:12 monica kumari 
> napísal(a):
>
>> for OCRing a scanned pdf,
>> first it is converted to image format then OCRed and gives a temperory
>> file of pdf/text format and overlays on original scanned pdf.
>> I want the output format to be hocr. for this, I ran the command
>> "convert scannedFile.pdf scannedFile.png" and then "tesseract
>> scannedFile.png scanned.pdf -l eng hocr"
>> I got the hocr fomat as output.
>> Now I need a help to overlay it on scannned pdf file.
>>
>> Anybody have any idea about it ?
>>
>> --
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Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

2018-09-17 Thread Monica

I have tried this, but this is showing the default behaviour. I think the
default output is overlaying on pdf instead of hocr out.


On Mon, Sep 17, 2018 at 5:47 PM Monica  wrote:

> Thanks Zdenko for you response.
> will "tesseract scannedFile.png scanned.pdf -l eng hocr pdf" overlay on
> pdf file ?
>
> On Mon, Sep 17, 2018 at 5:44 PM Zdenko Podobny  wrote:
>
>> Something like this?
>>
>> tesseract scannedFile.png scanned.pdf -l eng hocr pdf
>>
>> Zdenko
>>
>>
>> po 17. 9. 2018 o 14:12 monica kumari 
>> napísal(a):
>>
>>> for OCRing a scanned pdf,
>>> first it is converted to image format then OCRed and gives a temperory
>>> file of pdf/text format and overlays on original scanned pdf.
>>> I want the output format to be hocr. for this, I ran the command
>>> "convert scannedFile.pdf scannedFile.png" and then "tesseract
>>> scannedFile.png scanned.pdf -l eng hocr"
>>> I got the hocr fomat as output.
>>> Now I need a help to overlay it on scannned pdf file.
>>>
>>> Anybody have any idea about it ?
>>>
>>> --
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Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

Re: [tesseract-ocr] combine_lang_model makes no dawg file

Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

[tesseract-ocr] How to overlay hocr output on original scanned pdf.

Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

Re: [tesseract-ocr] How to overlay hocr output on original scanned pdf.

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