Aleksandr Laptev

[ASR] k2 rnnt

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# What does this PR do ? Adds graph-based RNNT support. **Collection**: ASR # Changelog - k2 losses and decoders refactored - graph-based RNNT added - RNNT greedy and forced...

Greedy decoding confidence for CTC and RNNT

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# What does this PR do ? Confidence estimation based on the maximum probability and entropy methods for CTC and RNNT models. **Collection**: ASR # Changelog - Hypothesis now has...

How to cite k2?

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I wonder if you have any preference for how k2 should be cited in scientific papers (instead of just giving the link).

Some methods don't work with unconventional lattices

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I'm experimenting with wordpiece-based models and trying to reduce GPU memory consumption when using k2.intersect_dense for denominator computing. For this I'm trying to apply an alternative CTC topology proposed in...

Riva and k2 ASR WFST decoding

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# What does this PR do ? Adds Riva and k2 WFST decoding options for ASR inference. if you are reading this, it means the PR is not finished. What's...

Riva and k2 ASR WFST decoding (2)

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# What does this PR do ? Adds Riva and k2 WFST decoding options for ASR inference. **Collection**: [ASR] # Changelog - Add specific line by line info of high...