Preprocessing Tools

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Jennil Thiyam

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Oct 3, 2019, 4:36:30 AM10/3/19
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HI shree, Is there any tools associated with tesseract that we can use for preprocessing the images? Please advise

Shree Devi Kumar

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Oct 3, 2019, 10:54:53 AM10/3/19
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Tesseract uses leptonica for image processing. You can use any image software that you are comfortable with for pre-processing.

On Thu, Oct 3, 2019 at 2:06 PM Jennil Thiyam <thiyam...@gmail.com> wrote:
HI shree, Is there any tools associated with tesseract that we can use for preprocessing the images? Please advise

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Timothy Snyder

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Oct 3, 2019, 10:59:02 AM10/3/19
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You can use free applications like paint.net or GIMP for single image processing or code your own pipeline with OpenCV in Python or C++

On Thu, Oct 3, 2019 at 4:36 AM Jennil Thiyam <thiyam...@gmail.com> wrote:
HI shree, Is there any tools associated with tesseract that we can use for preprocessing the images? Please advise

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Suresh Anand

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Oct 3, 2019, 11:10:24 AM10/3/19
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We do use openCV to do the pre process steps
1.Re size
2. Binarisation
3. noise removal
4. de skew
5. border removal

It works like a charm

On Thu, Oct 3, 2019 at 2:06 PM Jennil Thiyam <thiyam...@gmail.com> wrote:
HI shree, Is there any tools associated with tesseract that we can use for preprocessing the images? Please advise

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Zdenko Podobny

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Oct 8, 2019, 2:04:24 PM10/8/19
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Can you share code for border removal?

Zdenko


št 3. 10. 2019 o 17:10 Suresh Anand <sdevm...@gmail.com> napísal(a):

Sivaramakrishnan Subramanian

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Oct 9, 2019, 2:24:14 AM10/9/19
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Reg resizing: Do you resize all images to a specific size before feeding into tesseract or do you only resize (smaller) images that are below a threshold size

Siva


On Thursday, October 3, 2019 at 8:40:24 PM UTC+5:30, Suresh Anand wrote:
We do use openCV to do the pre process steps
1.Re size
2. Binarisation
3. noise removal
4. de skew
5. border removal

It works like a charm

On Thu, Oct 3, 2019 at 2:06 PM Jennil Thiyam <thiyam...@gmail.com> wrote:
HI shree, Is there any tools associated with tesseract that we can use for preprocessing the images? Please advise

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