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166 Commits

Author SHA1 Message Date
Stefan Weil
92999505ee Abort with error message if OSD is requested with LSTM-only model 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2023-05-09 19:24:24 +02:00
Stefan Weil
1e04be842d Replace 'can not' by 'cannot' 
Both forms are used in American English, but 'cannot' is more common
(also in Tesseract code), so use it always.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2023-02-08 17:34:22 +01:00
Stefan Weil
b7d7b85834 Add missing .exe for training tools to fix build with msys2 
Fixes: 8c573e4cef ("autotools: Add rule for svpaint executable")
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2022-08-25 14:34:19 +02:00
Stefan Weil
8c573e4cef
autotools: Add rule for svpaint executable (#3873) 
Move also its source code svpaint.cpp from src/viewer/ to src/,
so it is no longer included in libtesseract by the cmake build.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2022-07-19 00:50:01 +03:00
Stefan Weil
b0d82879e5 Add initial support for Intel AVX512F 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2022-04-14 23:47:04 +02:00
Stefan Weil
a773bf28db Fix linker flags for MSYS2 clang64 builds 
MSYS2 clang64 uses the lld linker which does not support --as-needed.
The normal GNU ld uses that linker option with ELF targets but ignores
it for PE targets (.exe, .dll), so it can be removed.

Remove also the -Wl, which is only needed when linker options are
passed to the compiler but not when they are directly passed to the
linker.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2022-02-27 11:11:40 +01:00
Egor Pugin
6115200f40
Update Makefile.am 2022-02-07 03:24:51 +03:00
Stefan Weil
5884036ecd Don't use compiler flags -march=native -mtune=native in autoconf builds 
Using those flags is not acceptable for Linux distributions
because the resulting code then depends on the build
infrastructure, so the build result is not deterministic.

It is still possible to use those compiler flags by specifying
CXXFLAGS.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-11-11 12:29:51 +01:00
Stefan Weil
7058bbf282 Move googletest to unittest/third_party/googletest 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-11-01 11:50:50 +01:00
Stefan Weil
104ef8f30e Move src/api/tesseractmain.cpp to src/tesseract.cpp 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-10-31 21:43:30 +01:00
Stefan Weil
676b86be4d Fix automake warning because of redefined DEFAULT_INCLUDES 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-10-28 22:14:06 +02:00
Stefan Weil
0aad8b8619 Fix build with OpenCL and add namespace to OpenCL code 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-10-06 07:51:03 +02:00
Stefan Weil
f9d17598a8 Make automake builds less noisy by default 
The old commit only silenced parts of the build,
while the new one silences the whole build.

Fixes: 47af1282f4
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-09-24 15:21:26 +02:00
zdenop
0c49ee18cd fix visibility compilation 2021-09-17 17:38:01 +02:00
Stefan Weil
4dcd8fa591 Fix handling of TESSDATA_PREFIX containing // (fixes issue #3527) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-24 20:05:54 +02:00
Egor Pugin
407346246c [universalambigs] Use inline variables. 2021-08-20 12:38:03 +03:00
Stefan Weil
63c12a9ee5 unittest: Enable more code for tatweel_test without requiring Tensorflow 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-12 14:12:53 +02:00
Stefan Weil
49f410ced3 unittest: Remove dependency on absl::StripAsciiWhitespace() 
This removes the last dependency on Abseil, so that submodule
is now removed completely.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-06 20:59:10 +02:00
Stefan Weil
87707bb8b0 unittest: Remove dependency on absl::StrSplit() 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-06 20:59:09 +02:00
Stefan Weil
f407345cbe unittest: Remove dependency on absl::StrJoin() 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-06 20:59:09 +02:00
Stefan Weil
61b8e301dd unittest: Remove dependency on absl::StrCat() 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-06 20:59:09 +02:00
Stefan Weil
8486f59493 unittest: Remove dependency on absl::StrFormat() 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-06 20:59:09 +02:00
Stefan Weil
fe5ca9dad9 unittest: Remove dependency on absl::GetCurrentTimeNanos() 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-06 20:59:09 +02:00
Stefan Weil
6b8b1f0007 unittest: Remove some dependencies on abseil 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-08-06 20:59:09 +02:00
Stefan Weil
a73e7b97a4 Add float dotproduct implementation for NEON 
Signed-off-by: Stefan Weil <stefan.weil@bib.uni-mannheim.de>
 2021-08-03 10:35:22 +02:00
Stefan Weil
66b77e6639 Prepare using float instead of double for LSTM calculations 
The new header file ccutils/tesstypes.h also prepares support
for larger images by introducing a new data type for image
size and coordinates (still unused).

FloatToDouble is now a local function.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-07-24 13:59:37 +02:00
Stefan Weil
4df822a3fc
Revert "Merge pull request #3330 from Sintun/master" (#3505) 
This reverts commit 122daf1d64, reversing
changes made to 4cd56dc5f5.

Those changes caused two regressions which resulted in an assertion
or a segmentation fault.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-07-22 09:04:23 +03:00
Stefan Weil
f0fb6809e3 Use SIMD instructions for DotProductNative 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-07-14 19:13:01 +02:00
Stefan Weil
93348a83a3 Remove scripts for training 
They were replaced by Python3 scripts (part of the tesstrain repository).

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-05-18 10:47:44 +02:00
Stefan Weil
bf3421ff12 Fix autoconf build for latest MacOS (Intel and M1) 
On latest MacOS 11.3 the system header file "ostream" includes a file
named "version".

The macro DEFAULT_INCLUDES adds the source root to the list of include
directories by default. As MacOS uses a case insensitive file system,
the compiler finds and includes the file "VERSION" there which causes
compiler errors and a failing build process.

Setting an empty DEFAULT_INCLUDES fixes that, but requires moving
config_auto.h to another directory in the include search path.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-05-13 17:22:58 +02:00
Stefan Weil
14505484c1 automake: Add build rule for fuzzer-api-512x256 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-04-11 10:44:43 +02:00
Stefan Weil
a74bbb6032 Remove bits16.h and BITS16 data type 
Add also const attribute to some functions.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-04-08 10:43:21 +02:00
Stefan Weil
6ddceac538 Remove mfdefs.cpp from CMakeLists.txt and Makefile.am 
That file was removed in commit 47715e576a.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-04-07 17:27:08 +02:00
Stefan Weil
0611c892b6 Disable more code with GRAPHICS_DISABLED 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-04-02 16:43:26 +02:00
Stefan Weil
3f0ac1185c Add new files ccstruct/image.cpp and ccstruct/image.h to Makefile 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-04-01 14:00:08 +02:00
Stefan Weil
2e349dbba5 Fix compilation for Tensorflow code 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-29 16:19:06 +02:00
Stefan Weil
7d70ed4b41 Modernize code for OTSU and reduce public API further 
Remove thresholder.h from the public API.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-23 08:59:04 +01:00
Stefan Weil
7fdf79aff4 Move function ExtractFontName to baseapi.cpp 
It is only used there, so now a local function.
This also allows removing blobclass.h.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-18 08:57:36 +01:00
Stefan Brechtken
d856acba56 Change License to Apache V2, add new file to Makefile.am, change file name to .h ending 2021-03-16 14:16:02 +01:00
Stefan Weil
e51fcb2d31 Remove last usage of STRING 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-03-15 09:11:41 +01:00
Egor Pugin
d7823a71c2 Remove unused file. 2021-03-15 09:47:04 +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
b3d48ea7b9 Fix build for flat unittest (CPPFLAGS for abseil and gtest) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-27 09:03:11 +01:00
Stefan Weil
971c6e6d6b automake: Flat build for unittest 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-24 18:21:37 +01:00
Stefan Weil
b6787749e3 Remove rests from vs2010 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-20 13:36:59 +01:00
Stefan Weil
7c5415a2c1 automake: Fix flat build for doc 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-13 15:57:04 +01:00
Stefan Weil
e1b9f1b446 automake: Flat build for doc 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-11 21:58:45 +01:00
Christopher Degawa
d7f44d4150
Makefile.am: remove unicode files 
Signed-off-by: Christopher Degawa <ccom@randomderp.com>
 2021-01-07 18:28:43 +00:00
Stefan Weil
dd8ee23fa2 Remove remaining parts of emalloc (fix autotools build) 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-05 23:29:08 +01:00
Stefan Weil
66128429e5 Fix include statement for allheaders.h 
Signed-off-by: Stefan Weil <sw@weilnetz.de>
 2021-01-05 23:18:39 +01:00