Change Log

9.1.0 (2019-10-19)

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Fixed bugs:

• WriteFile.writeBytes altering the source image endiannes and producing artefacts #228
• Crashing reported on 64-bit devices #197
• testPixaReplacePix crashes in native code #159
• ReadFile.readBitmap alters image colors #87

Closed issues:

• read Jpeg and PNG produce wrong alpha in 32bpp pix #264
• Native crush when 'vert'.tessdata is used #263
• In versions higher than 5.4.1 TessBaseAPI.ProgressNotifier never called #262
• Decoding is slow when multiple languages are used #261
• Getting different results when using tesseract on mobile vs on PC using Python. #260
• Illegible words recognition in Persian lang #259
• Could not initialize Tesseract API with language=ces! #258
• Can't lanch #257
• Tess4 initialize crash #255
• tess4 on android studio #254
• How I can init the tesseract to work only with digits? #253
• java.lang.NoSuchFieldError: no "I" field "mNativeData" in class "Lcom/googlecode/tesseract/android/TessBaseAPI;" or its superclasses #252
• java.lang.NoSuchFieldError: no "I" field "mNativeData" in class "Lcom/googlecode/tesseract/android/TessBaseAPI;" or its superclasses #251
• Arabic trained-data produce 20% accuracy #250
• import tess two error #249
• error in Android 7.0 #248
• How to build tess-two without JNI? #247
• Initializing TessBaseAPI crashes app #246
• OCR number #245
• compile binary only #244
• Skip tesseract's default image preprocessing (Otsu) #243
• How to add OPTITypewriter-Special font #242
• Special requirements for Hindi and Arabic OCR #239

Merged pull requests:

• fix Java tests for leptronica #265 (alexcohn)
• Update to support latest Android Studio #256 (Robyer)

9.0.0 (2018-04-20)

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Change:

• This version fixes and adds back in the 64-bit ABIs, and removes the deprecated armv5 and mips/mips64 ABIs.

Implemented enhancements:

• Improve developer support for Hindi/Arabic #240

Fixed bugs:

• Crashing reported on 64-bit devices #197

Merged pull requests:

• Updated repositories. Changed compile to implementation. #233 (mauriciotogneri)
• Updated version of SDK, build tools and support libraries #231 (mauriciotogneri)

8.0.0 (2017-08-13)

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Change:

• This version removes the 64-bit ABIs from the default build in order to avoid crashes due to #197

Closed issues:

• Build failure with Android Studio 3 and NDK ver. 15.x #215

Merged pull requests:

• clone tag 3.04.00 from tessdata #217 (ivankolev)
• See issue #215 #216 (ivankolev)

7.0.0 (2017-06-12)

Full Changelog

API-breaking change:

• ResultIterator getChoicesAndConfidence() is now getSymbolChoicesAndConfidence()

Fixed bugs:

• ResultIterator crashes with certain character combinations #126
• ResultIterator returns single Character as Alternatives for Words #119
• beginDocument() returns false even when successful #103

Closed issues:

• Hardcoded path in TessBaseAPITest.java #208

Merged pull requests:

• Add missing PageSegMode constant #209 (Robyer)
• Fix return value of BeginDocument (fixes #103) #207 (Robyer)
• Improve ResultIterator #206 (Robyer)
• Update gradle plugin #205 (Robyer)
• Fix javadocs errors and warnings #202 (Robyer)

6.3.0 (2017-04-06)

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Updates:

• Tesseract code updated to version 3.05.00

Tesseract change log

6.2.0 (2017-02-04)

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Updates:

• Leptonica 1.74.1
• Libpng 1.6.25

Fixed bugs:

• Stop() does not work with GetUTF8Text() #185
• TessBaseAPI stop() sometimes causes SIGSEGV #97

Merged pull requests:

• Issue 185 #186 (Xyresic)

6.1.1 (2016-11-27)

Full Changelog

Updates:

• Changed ProGuard settings

6.1.0 (2016-11-22)

Full Changelog

Updates:

• Tesseract code updated, version 3.05.00dev

Closed issues:

• Tests doesn't work on devices without sdcard #171
• no field with name='mNativeData' signature='J' in class Lcom/googlecode/tesseract/android/TessBaseAPI; #166

Merged pull requests:

• Pass native pointer as parameter #172 (jereksel)

6.0.4 (2016-08-21)

Full Changelog

Updates:

• Changed ProGuard settings

Closed issues:

• android studio2.1.2 not build #168
• no field with name='mNativeData' signature='J' in class Lcom/googlecode/tesseract/android/TessBaseAPI; #166

6.0.3 (2016-07-16)

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Closed issues:

• UnsatisfiedLinkError; thrown while initializing Lcom/googlecode/tesseract/android/TessBaseAPI 'libjpgt.so' and 'liblept.so' w/ compile 'com.rmtheis:tess-two:6.0.0' #150

6.0.2 (2016-06-20)

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Closed issues:

• Building project error on Windows - javadoc failed #148

Merged pull requests:

• Refactor nativeMergeAndReplacePix. Addresses #132. #157 (megabytefisher)
• Fix memory leak in setImage(Bitmap bmp) #154 (megabytefisher)

6.0.1 (2016-06-09)

Full Changelog

Bug fix:

• Fixed nativeGetPix for 64-bit devices

6.0.0 (2016-05-16)

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API-breaking changes:

• Progress values no longer available when using getUTF8Text. Use getHOCRText instead.
• Android 2.2 (API level 8) no longer supported
• Eyes-two project refactored. Code similar to what was removed is available from the Google Mobile Vision API.
• Tess-two deprecated methods removed

Updates:

• Tesseract 3.05.00dev (tesseract-ocr/tesseract@add1ed1)
• Leptonica 1.73
• Libpng 1.6.20 (android/platform_external_libpng@2789184)

Implemented enhancements:

• GetUTF8Text() monitor and multi-platform projects #116
• Update eyes-two structure #95
• Expand image I/O format support #94

Fixed bugs:

• NDK r11 clang build error: undefined reference to isnanf/__isinff #138
• init() crashes when using OEM_TESSERACT_CUBE_COMBINED for Arabic #12

5.4.1 (2016-01-17)

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Updates:

• Added libjpeg 9b

Closed issues:

• Pdf renderer isn't working with jpg input images #122

5.4.0 (2016-01-10)

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Updates:

• Added Gradle build
• Released on Bintray

Closed issues:

• Add Maven support #53

Merged pull requests:

• Gradle build #99 (Aaargh20318)

5.3.0 (2015-10-30)

Full Changelog

Implemented enhancements:

• Added TessPdfRenderer for PDF output #46
• Added libpng 1.6.10 (android/platform_external_libpng@37f83eb)

Closed issues:

• java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "png_set_longjmp_fn" referenced by "liblept.so"... #106
• "'libpng.so' not found" message on some 4.x versions of Android #105
• libpng fails to build on ARMv8 #102

Merged pull requests:

• fix 64-bit ARMv8 build #124 (panzerfahrer)
• Bugfix for progress notifier #115 (FDIM)

5.2.0 (2015-07-21)

Full Changelog

Updates:

• Added support for using multiple training data files/languages
• Tesseract 3.04 (tesseract-ocr/tesseract@e8b6d6f)
• Leptonica 1.72

Fixed bugs:

• Fix finalizers #88
• WriteFile.writeImpliedFormat fails for jpegs #86
• WriteFile don't work as expected #25

Closed issues:

• clang "atomicity.h:49: error: undefined reference to '__atomic_fetch_add_4''" for armeabi #81
• Android (ART) crash with error JNI DETECTED ERROR IN APPLICATION: jarray is an invalid stack indirect reference table or invalid reference #78

5.1.0 (2015-03-16)

Full Changelog

Updates:

• Added 64-bit ABI support
• Tesseract 3.04 (tesseract-ocr/tesseract@239f350)

Added to Tesseract API:

• ProgressNotifier for getting OCR percent complete values
• ChoiceIterator support for getting per-symbol alternatives
• GetConnectedComponents

Added to Leptonica API:

• Edge.pixSobelEdgeFilter
• GrayQuant.pixThresholdToBinary
• Pix.clipRectangle
• Pix.pixFastTophat
• Pix.pixTophat
• Pix.rotateOrth
• Pix.scaleWithoutSharpening

5.0.0 (2014-08-13)

Full Changelog

Updates:

• Tesseract 3.03
• Leptonica 1.71

4.0.0 (2014-02-17)

Full Changelog

Updates:

• Tesseract 3.03
• Leptonica 1.70

Merged pull requests:

• Add some useful functions #40 (ductranit)

3.0.0 (2013-01-22)

Full Changelog

Updates:

• Tesseract 3.03
• Leptonica 1.69

2.0.0 (2012-05-31)

Full Changelog

Updates:

• Eyes-free project added
• Tesseract 3.02

1.0.0 (2011-11-06)

• Initial release, branched from tesseract-android-tools project
• Tesseract 3.01
• Leptonica 1.68

* This change log was generated by github_changelog_generator