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7178ebd799
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1487 Commits

Author SHA1 Message Date
Stefan Weil
7178ebd799 Add missing TESS_API for new function tesseract::split 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-14 08:16:33 +01:00
Stefan Weil
36f9131e04 Move implementation of tesseract::split from header to cpp file 
This fixes duplicate symbols for some builds.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 23:39:58 +01:00
Stefan Weil
3b0759940c Replace more STRING by std::string 
Remove STRING::add_str_int and STRING::add_str_double which are now unused.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 23:16:35 +01:00
Stefan Weil
c9f0da49ca Replace more STRING by std::string 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 21:15:52 +01:00
Stefan Weil
91f7675848 Replace more STRING by std::string for src/ccmain 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 21:15:52 +01:00
Stefan Weil
d084c7cca8 Replace remaining STRING by std::string for src/api 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 21:15:52 +01:00
Stefan Weil
96d1644da1 Replace more STRING by std::string 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 21:15:52 +01:00
Stefan Weil
a42c6c7dcd Replace more STRING by std::string 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 21:15:52 +01:00
Stefan Weil
9cf5b9870d Replace more STRING by std::string 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 21:15:52 +01:00
Stefan Weil
51909d5a2e Replace more STRING by std::string 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 21:15:52 +01:00
Stefan Weil
d6495d9026 Replace STRING by std::string in src/lstm 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 21:15:51 +01:00
Stefan Weil
1f2ec4dfb1 Fix network specification for NT_SYMCLIP 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-13 13:10:37 +01:00
Stefan Weil
6bf5080d4c Remove unused include statements for strngs.h 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-12 23:11:08 +01:00
Egor Pugin
a393df5038 Add missing export header. 2021-03-13 00:07:19 +03:00
Egor Pugin
2d10be5209 [clang-format] Format generated protobuf source. 2021-03-13 00:07:03 +03:00
Egor Pugin
618b185d14 Include missing config_auto.h 2021-03-12 23:39:18 +03:00
Egor Pugin
8b0c5405e2 Add missing forward decl. 2021-03-12 22:35:30 +03:00
Egor Pugin
0eb7ba88bf [clang-format] Execute clang format on include and src dirs. 
Script:
find include src -type f | sort > all.txt
find include src -type f | grep -v "\.cpp" | grep -v "\.h" | sort > skip.txt
comm -23 all.txt skip.txt | xargs clang-format -i
 2021-03-12 22:35:02 +03:00
Stefan Weil
4c6cc5a04d Replace GenericVector by std::vector in class ImageData 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-12 13:10:25 +01:00
Ger Hobbelt
779aa79350
Fix build (#3322) 
* fix errors after merge commit: missing changes that are needed too to make this codebase compile.
* Update src/wordrec/wordrec.h

Co-authored-by: Stefan Weil <sw@weilnetz.de>
 2021-03-11 21:43:07 +01:00
Egor Pugin
3444618075 Fix linux build. 2021-03-10 15:35:13 +03:00
Egor Pugin
ce058604ba Pass empty strings into Tesseract::init_tesseract(). 2021-03-10 15:21:03 +03:00
Egor Pugin
911dd93f12 Pass init strings as std::string instead of const char * internally. This does not affect public APIs. 2021-03-10 15:17:00 +03:00
Egor Pugin
9792f3c4ff Remove STRING::size() method. 2021-03-10 14:58:37 +03:00
Egor Pugin
6de97309a1 Remove unused STRING::strdup(). 2021-03-10 14:42:50 +03:00
Egor Pugin
f0e30a2af2 Remove unused STRING::unsigned_size(). 2021-03-10 14:41:31 +03:00
Egor Pugin
d36adf3d40 Replace STRING::truncate_at() with resize(). 2021-03-10 14:40:28 +03:00
Egor Pugin
e9a2fc0083 More std::string replacements. 2021-03-10 14:36:59 +03:00
Stefan Weil
0f1296c6f6 Clean implementation for (de-)serialization of a vector 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-08 13:33:48 +01:00
Stefan Weil
6cfe604d58 Fix serialization for vector of RecodedCharID 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-07 23:01:25 +01:00
Stefan Weil
0cde3ede98 Add heuristic to fix swap (partially fixes issue #2586) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-05 14:27:28 +01:00
Stefan Weil
a2769aebb4 Replace GenericVector<TBOX> by std::vector<TBOX> 
Fix also endianness handling for (de)serialisation of TBOX.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-05 14:27:28 +01:00
Stefan Weil
c31c1a7d60 Fix two compiler warnings for serialis.h 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-05 14:27:28 +01:00
Stefan Weil
fe614c6069 Enable less FP exceptions for clang compiler when running tesseract 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-03 22:56:07 +01:00
Egor Pugin
c39b1daa6b GenericVector -> std::vector. 2021-03-03 22:22:00 +03:00
Egor Pugin
0a693a9519 Allow to serialize std vectors with classes from TFile. Implementation from GenericVector. 2021-03-03 22:21:40 +03:00
Stefan Weil
ff830775f9 Fix memory leak in DocumentCache 
It was introduced in commit 5cac52173e.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-01 11:31:48 +01:00
Stefan Weil
339c01894e Avoid fp division by 0 (fix issue #3314) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-28 19:42:01 +01:00
Stefan Weil
cd60728e8a Avoid float division by zero when calculating adaptive learning rate 
The following line results in a division by zero when
momentum is -1 and num_samples is even:

     learning_rate /= 1.0f - pow(momentum, num_samples);

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-27 21:08:41 +01:00
Stefan Weil
c12dde2862 Use float instead of double for learning_rate, momentum and adam_beta 
Only WeightMatrix::Update used double parameters, all other functions
already used float. So this change avoids unnecessary conversions.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-27 21:08:41 +01:00
Stefan Weil
422452b9f4 Check for float errors when running tesseract and lstmtraining 
Some illegal floating point calculations like division by zero,
illegal value or overflow will now abort tesseract with an error
message.

For lstmtraining there is now a new parameter --debug_float to
enable the same kind of checks. It is currently disabled by default
because such errors occur and would abort the training process.
That should be fixed in the future.

If tesseract also shows floating point errors which cannot be
fixed easily, a similar parameter to enable the checks can be
added there, too.

The new code requires the function feenableexcept which is only
available with the GNU libc, so it is only used on Linux.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 21:49:27 +01:00
Stefan Weil
51a214a51b Remove unused include statements for imagedata.h and document used ones 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 21:42:28 +01:00
Stefan Weil
1d7a981203 Disable code for unused classes WordFeature and FloatWordFeature 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 21:42:17 +01:00
Stefan Weil
5cac52173e Replace PointerVector by std::vector in class DocumentCache 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 21:42:07 +01:00
Stefan Weil
387acd9881 Initialize weight matrix with 0.0 (fix issue #3229) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 18:49:39 +01:00
Egor Pugin
1ab6b0fbc6
Merge pull request #3311 from stweil/master 
Replace calls of exit function
 2021-02-26 17:43:53 +03:00
Stefan Weil
58304cbfdd Don't compile OpenCL code when OpenCL is disabled 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 15:40:23 +01:00
Stefan Weil
a6946c3bf9 Replace calls of exit function 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 14:22:36 +01:00
Stefan Weil
373a3527ec Format code 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 14:22:09 +01:00
Stefan Weil
ea446b1eae Remove blanks at line endings 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-02-26 14:05:36 +01:00