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41 Commits

Author SHA1 Message Date
Reuben Morais
cc62aa2eb8
Merge pull request #3279 from godefv/decoder_timesteps 
The CTC decoder timesteps now corresponds to the timesteps of the most probable CTC path, instead of the earliest timesteps of all possible paths.
 2020-09-17 20:31:05 +02:00
godeffroy
ec55597412 PR #3279 - use a tree structure to store timesteps 2020-09-07 13:37:27 +02:00
Reuben Morais
ae0cf8db6a Revert "Merge branch 'rename-real'" 
This reverts commit ae9fdb183e, reversing
changes made to 2eb75b6206.
 2020-08-26 11:46:09 +02:00
godeffroy
04a36fbf68 The CTC decoder timesteps now corresponds to the timesteps of the most 
probable CTC path, instead of the earliest timesteps of all possible paths.
 2020-08-25 12:08:14 +02:00
Reuben Morais
fa21911048 Rename packages, modules, headers, shared libraries to Mozilla Voice STT 2020-08-03 18:22:32 +02:00
Reuben Morais
6141740f89 Remove unused Scorer method 
This method was made unused by https://github.com/mozilla/DeepSpeech/pull/3021
after reports such as https://github.com/mozilla/DeepSpeech/issues/3004
of confusion interpreting the confidence values.
 2020-07-30 11:00:00 +02:00
Reuben Morais
a84abf813c Deduplicate Alphabet implementations, use C++ one everywhere 2020-06-30 09:52:45 +02:00
Reuben Morais
f82c77392d Rewrite data/lm/generate_package.py into native_client/generate_scorer_package.cpp 2020-06-30 09:52:44 +02:00
Alexandre Lissy
6c2cbbd725 Fix #3053: Check output stream when producing scorer 2020-06-16 23:28:01 +02:00
Reuben Morais
7ed900e333 Add better error information in Scorer initialization 2020-05-18 11:19:19 +02:00
Reuben Morais
5fa1839a7f Use Alphabet to compute string values in get_prev_* 2020-04-13 10:23:23 +02:00
Reuben Morais
8dedda7759 Address review comments 2020-02-11 19:44:36 +01:00
Reuben Morais
efbed73d5c Improve error handling around Scorer loading 2020-02-11 19:44:36 +01:00
Reuben Morais
ab08f5ee5a Change decoder API 2020-02-11 19:44:26 +01:00
Reuben Morais
16d5632d6f Write default values for alpha and beta into trie header 2020-02-11 19:44:26 +01:00
Reuben Morais
b33d90b7bd Load combined format from Scorer 2020-02-11 19:44:26 +01:00
Reuben Morais
214b50f490 Add generate_package tool to create combined scorer package 2020-02-11 19:44:26 +01:00
Reuben Morais
be2229ef29 Refactor Scorer so model/trie package can be created by an external tool 2020-02-11 19:44:26 +01:00
Reuben Morais
7c0354483e Stop including vocabulary data in LM.binary. 2020-02-11 19:44:19 +01:00
Reuben Morais
0e6952c3a8 Avoid reconstructing strings twice on decode 2019-11-11 12:53:05 +01:00
Reuben Morais
c1b1a59423 Score prefix as soon as a grapheme is formed rather than 1 byte later 2019-11-11 12:52:48 +01:00
Reuben Morais
f4cdd988df UTF-8 target 2019-11-11 11:36:16 +01:00
Reuben Morais
c8802a38e7 Don't add special tokens to vocabulary 2019-10-14 21:03:14 +02:00
Reuben Morais
ba56407376
Merge pull request #2383 from mozilla/scorer-cleanup 
Don't explicitly score the BOS token, and avoid copies when scoring sentences
 2019-09-27 11:06:24 +02:00
Reuben Morais
a323973521 Address review comments 2019-09-27 11:02:22 +02:00
Alexandre Lissy
86b44a7cb7 Load KenLM with LAZY 
Fixes #2384
 2019-09-26 21:08:27 +02:00
Reuben Morais
6dba6d4a95 Don't explicitly score the BOS token, and avoid copies when scoring sentences 2019-09-26 14:08:32 +02:00
Reuben Morais
89f63dcd69 Make Scorer init fallible and check it in callers 2019-08-26 13:59:15 +02:00
Reuben Morais
1b18494e63 Address review comments 2019-08-23 12:19:32 +02:00
Reuben Morais
4dabd248bc Make Alphabet copyable and default-constructable and avoid pointers 2019-08-23 12:19:32 +02:00
Francis Tyers
6e53fd8fe0
typo 
X-DeepSpeech: NOBUILD
 2019-06-22 22:18:25 +01:00
Reuben Morais
31afc6811f Switch to ConstFst from VectorFst and mmap trie file when reading 2019-06-21 22:21:19 -03:00
Reuben Morais
9e8c208be2 Don't save/load trie for character based LMs 2019-01-07 08:49:37 -02:00
Carlos Fonseca M
1dc6cc490c Add file access defines Windows 2018-12-14 14:43:59 -06:00
Reuben Morais
a5bcecbe40 Address more review comments 2018-11-11 15:24:31 -02:00
Reuben Morais
4d05c9af46 Address review comments 2018-11-09 08:49:08 -02:00
Reuben Morais
3255f23426 ctcdecode binding fixes 2018-11-08 18:14:32 -02:00
Reuben Morais
23497fde41 Use unique_ptr for Scorer members 2018-10-30 09:21:30 -03:00
Reuben Morais
68258e356c Address review comments 2018-10-29 23:57:14 -03:00
Reuben Morais
770d742cd5 Adjust ctcdecode to use our Alphabet code, support using trie files 2018-10-25 17:01:05 -03:00
Reuben Morais
c34fc5b7ac Import parlance/ctcdecode into repository 2018-10-25 17:00:48 -03:00