How to start using Kaldi?

[farzaneh tabatabaee]

Hello Everyone,

I'm a beginner in Kaldi , I want to use Kaldi , I need some tutorials or documents , specially for using Kaldi for OCR. May you please introducing me some documents or tutorials about using Kaldi or using Kaldi for OCR?

[Jan Trmal]

we have some OCR recipes now, Zoltan. When you have the lines of characters isolated (and rectified), you can use the same framework as is used in ASR. At least on a conceptual level.

y.

On Sat, Feb 17, 2018 at 3:08 PM, Zoltán Somogyi <zsomo...@gmail.com> wrote:

In case OCR means optical character recognition then you will need an other software because kaldi is speech recognition.

On Saturday, February 17, 2018 at 8:46:44 PM UTC+1, farzaneh tabatabaee wrote:

Hello Everyone,

I'm a beginner in Kaldi , I want to use Kaldi , I need some tutorials or documents , specially for using Kaldi for OCR. May you please introducing me some documents or tutorials about using Kaldi or using Kaldi for OCR?

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[Daniel Povey]

There are examples in egs/iam and egs/uw3 (the latter is actually OCR).

These are for setups where you have already done the segmentation into lines of text.

There are some fixes pending to the IAM setup, though (we had mistakenly included the training text in the language modeling training data, so I believe you can't trust the results right now; we are working on a fix).

Dan

On Sat, Feb 17, 2018 at 3:47 PM, Zoltán Somogyi <zsomo...@gmail.com> wrote:

OCR is a complex matter and there are surely some open source packages to do that but doing that with kaldi sounds strange. I am sorry but if I may be honest with you then I would not recommend it.

On Saturday, February 17, 2018 at 9:20:06 PM UTC+1, Yenda wrote:

we have some OCR recipes now, Zoltan. When you have the lines of characters isolated (and rectified), you can use the same framework as is used in ASR. At least on a conceptual level.

y.

On Sat, Feb 17, 2018 at 3:08 PM, Zoltán Somogyi <zsomo...@gmail.com> wrote:

In case OCR means optical character recognition then you will need an other software because kaldi is speech recognition.

On Saturday, February 17, 2018 at 8:46:44 PM UTC+1, farzaneh tabatabaee wrote:

Hello Everyone,

I'm a beginner in Kaldi , I want to use Kaldi , I need some tutorials or documents , specially for using Kaldi for OCR. May you please introducing me some documents or tutorials about using Kaldi or using Kaldi for OCR?

--
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[Daniel Povey]

Kaldi doesn't do the whole pipeline, it's applicable to pre-segmented data where you already have the text lines.

On Sat, Feb 17, 2018 at 4:11 PM, Zoltán Somogyi <zsomo...@gmail.com> wrote:

May I ask you which software you use for the OCR? Is it something that is installed separately? Normally OCR means that you have an image and that you recognize the characters on the image and you make sentences from it.

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