How to overlay hocr output on original scanned pdf.

[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 ?

[Zdenko Podobny]

Something like this?

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

Zdenko

po 17. 9. 2018 o 14:12 monica kumari <monicak...@gmail.com> napísal(a):

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[Monica]

Thanks Zdenko for you response. 

will "tesseract scannedFile.png scanned.pdf -l eng hocr pdf" overlay on pdf file ?

To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8xGPRx0ZriLS%2BH7kyNHEFaAFHweKJc5KhycfLKT87XG8A%40mail.gmail.com.

[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.

[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 <monicak...@gmail.com> 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 <monicak...@gmail.com> 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 <zde...@gmail.com> wrote:

Something like this?

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

Zdenko

po 17. 9. 2018 o 14:12 monica kumari <monicak...@gmail.com> 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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[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 <shree...@gmail.com> 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 <monicak...@gmail.com> 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 <monicak...@gmail.com> 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 <zde...@gmail.com> wrote:

Something like this?

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

Zdenko

po 17. 9. 2018 o 14:12 monica kumari <monicak...@gmail.com> 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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For more options, visit https://groups.google.com/d/optout.

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[Monica]

Yes, I agree. I have tried that but the quality is not so good. The quality is compromising here. Is there any other way to OCR pdfs without or less compromising with quality ? 

To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAHjiUbpuHSzzsC31fN6BqmzVPb6_TJxDmFiwBiTRPEM_wnTY2A%40mail.gmail.com.