VietOCR

Change Summary:

30 April 2013 - jTessBoxEditor v0.9

Enhance Generate TIFF/Box functionality to allow for combining prepending symbols in addition to appending
Fix a bug that failed to persist changes to table in edit mode
Find function now supports partial matches
Fix a problem with table not scrolling along when row header has focus and scrolling

16 April 2013 - jTessBoxEditor v0.8

Add row number header
Char cell now editable
Convert Unicode escape sequences where possible
Find box now displays Unicode characters and allows search using Unicode escape sequences
Improve Generate TIFF/Box functionality:
- automatically combine boxes that have the same coordinates or completely encloses one another
- automatically combine boxes that are combining symbols, specified in an external file, with the main, base character
- retain last-modified exp number in filename

6 January 2013 - VietOCR.NET v3.4

Upgrade to Tesseract 3.02 .NET wrapper (r820) (https://github.com/charlesw/tesseract)
Add hocr support for Bulk & Batch and command-line operations
Update links to dictionary files

6 January 2013 - VietOCR v3.4.2

Update Tesseract 3.02 to r820
Add hocr support for Bulk & Batch and command-line operations
Update links to dictionary files
Update JNA to v3.5.1

28 November 2012 - VietOCR v3.4.1 & VietOCR.NET v3.3.1

Add Bulk OCR process

3 November 2012 - VietOCR v3.4

Upgrade Tesseract engine to v3.02 (r798)
Enable text entry in the combobox for Tesseract 3.02's multi-language OCR support
Fit Image now retains image aspect ratio
Add optional support for using Tess4J library
Update JACOB to 1.16.1 version

16 June 2012 - jTessBoxEditor v0.7

Fix an issue with opening Help file on OS X
For TIFF/Box generation:
- increase line spacing
- abbreviate bold/italic font style to b/i for filename
- add a Prefix (Language Code) textbox
- add support for text anti-aliasing

25 February 2012 - VietOCR v3.3 and VietOCR.NET v3.3

Download Language Data will warn if the user does not have write access to tessdata folder
Use icons from FatCow (http://www.fatcow.com/free-icons) and by Rimas Kudelis
Fix a bug with scrollbars visible when Fit Image selected (Java only)
Update Hunspell to v1.3.2 (Java only)

21 January 2012 - VietOCR v3.2.2

Fix a context menu's font issue with displaying Unicode characters for spellcheck suggestions

14 January 2012 - VietOCR v3.2.1

Fix an issue with opening Help file on OS X
Update JACOB to 1.16-M2 version
Update JNA to 3.4.0 version

26 November 2011 - VietOCR.NET v3.2

Update Tesseract 3.01 to r639 (final release version)
Remove unneeded liblept168.dll
Update lists of language codes
Add PSM support to execution from command line

22 October 2011 - VietOCR v3.2

Update Tesseract 3.01 to r638 (final release version)
Remove unneeded liblept168.dll
Update lists of language codes
Update JACOB to 1.16-M1 version
Add PSM support to execution from command line

18 October 2011 - jTessBoxEditor v0.6

Add a utility function that creates TIFF/Box pair suitable for training with Tesseract
Fix a bug which may clear out a modified box file when loading another image
Enhance box search operations
Fix font issues in various visual components
Merged box will have a character value composed of all the characters of the merging boxes

12 September - VietOCR.NET v3.1.1

Fix a bug in which the arrow keys would scroll the picturebox even when the textbox has focus
Provide Page Segmentation Mode options for Tesseract engine

12 September - VietOCR v3.1.5

Update Tesseract 3.01 to r625
Provide Page Segmentation Mode options for Tesseract engine

12 September 2011 - jTessBoxEditor v0.5.1

Correct an issue with (small) image vertically centering in the image pane; align it to top of pane

5 September 2011 - jTessBoxEditor v0.5

Display informational tooltip for boxed characters in image pane

14 August 2011 - VietOCR.NET v2.0.5

Fix a bug in which the arrow keys would scroll the picturebox even when the textbox has focus

1 August 2011 - VietOCR.NET v3.1

Integrate tesseractdotnet .NET wrapper DLL x86 (r48+) based on Tesseract 3.01 (r597)
Remove tesseract.exe file
Trap OutOfMemory exceptions that intermittently occur during drawing of selection boxes
Refactor

1 August 2011 - VietOCR v3.1.4

Update Tesseract 3.01 to r597

1 August 2011 - VietOCR.NET v2.0.4

Trap OutOfMemory exceptions that intermittently occur during drawing of selection boxes
Refactor

26 June 2011 - VietOCR.NET v3.00

Use command-line process to invoke Tesseract 3.01 (r585) binary executable
Include improved Vietnamese language pack

4 June 2011 - VietOCR v3.1.3

Refactoring
Improve program usability, enabling image nagivation and manipulation with keyboard
Fix an EOL issue that broke Remove Line Breaks functionality on Windows
Integrate Linux Sane scanning support
Fix an issue with restart notification after language pack downloads
Update Tesseract 3.01 to r585
Replace Vietnamese language pack with an improved version

4 June 2011 - VietOCR v2.0.3 & VietOCR.NET v2.0.3

Refactoring
Improve program usability, enabling image nagivation and manipulation with keyboard
Fix an installation issue that was unable to uninstall previous versions (.NET only)
Fix an EOL issue that broke Remove Line Breaks functionality on Windows (Java only)
Integrate Linux Sane scanning support

28 May 2011 - jTessBoxEditor v0.4

Add a utility function for merging images into a multi-page TIFF

25 April 2011 - jTessBoxEditor v0.3

Provide a close-up view of current box

14 April 2011 - jTessBoxEditor v0.2

Add a provision to set font for the Box Coordinates table
Set table row height to match font
Incorporate a pangram into the Font dialog

10 April 2011 - jTessBoxEditor v0.1

Support editing box data of both Tesseract 2.0x and 3.0x formats
Implement box select & merge/split/insert/delete operations
Implement box size change function via spinners
Support Unicode conversion for the text field
Include box search function

13 March 2011 - VietOCR v2.0.2/v3.1.2 & VietOCR.NET v2.0.2

Incorporate deskew functionality using GMSE Deskew algorithm
Fix a MissingResourceException associated with Font dialog (Java only)

6 March 2011 - VietOCR v2.0.1/v3.1.1 & VietOCR.NET v2.0.1

Fix a bug which hangs the program if x.DangAmbigs.txt contains entries starting with an equal symbol
Improve postprocessing performance by caching the word list used; reload only if changes
Fix a bug that crashes the program when inline spellcheck suggests on empty text (.NET only)
Incorporate Apple Java Extensions (Java only)

6 February 2011 - VietOCR v3.1

Port changes from version 2.0
Update Tesseract OCR engine to 3.01 (r551)

6 February 2011 - VietOCR v2.0 & VietOCR.NET v2.0

Upgrade JACOB library to version 1.15-M4 (Java only)
Add support for spellcheck suggestion in context menu
Improve program accessibility and usability
Add support for downloading and installing language data packs and appropriate spell dictionaries
Add UI localization for Lithuanian and Slovak
Refactor by breaking up large classes into smaller ones

11 November 2010 - VietOCR.NET v1.9

Integrate Hunspell library to provide spellchecking and spellcheck-as-you-type functionality. Include English and Vietnamese dictionaries
Add support for a custom dictionary
List in correct order files generated from PDF conversion

3 October 2010 - VietOCR v3.0

Upgrade Tesseract OCR engine to 3.0
Replace old format (2.0x) language data with new format (3.0) language data
Change datafile suffix from .inttemp to .traineddata

2 October 2010 - VietOCR v1.9

Integrate a Java binding for Hunspell library to provide spellchecking and spellcheck-as-you-type functionality. Include English and Vietnamese dictionaries
Add support for a custom dictionary
List in correct order files generated from PDF conversion
Upgrade JACOB library to version 1.15-M3
Preset Tesseract path on Linux to /usr/bin, the default install location of Tesseract

6 September 2010 - VietOCR v1.8 & VietOCR.NET v1.8

Display image information
Add Screenshot Mode, which rescales low-resolution images to 300 DPI to be more suitable for OCR operations
Read output and error streams to prevent subprocess to block or deadlock due to limited buffer size for standard output streams (Java version)
Fix a problem in which paste (image) event fires twice (Java version)
Fix an issue with subimages generated by selection box on Linux (Java version)

14 April 2010 - VietOCR v1.7 & VietOCR.NET v1.7

Add provision to load UTF-8 text file into textbox
Add Recent Files submenu
Add Save button on toolbar
Fix scale factor, offset issues in image manipulation
Improve postprocessing for Vietnamese
Add support for more VNI fonts to Vietnamese language data

30 January 2010 - VietOCR v1.6 & VietOCR.NET v1.6

Fix an image size issue and associated scale factor when toggling between Fit Image vs. Actual Size after (Java) resizing window or (.NET) scrolling in picturebox
Add unit test
Improve post-OCR correction for Vietnamese
Bundle Vietnamese language data for VNI & TCVN3 (ABC) fonts

21 December 2009 - VietOCR v1.5 & VietOCR.NET v1.5

Add support for execution from command line
Add support for paste image from clipboard
Add support for JPEG2000 and PNM image types (Java version)

24 October 2009 - VietOCR v1.4 & VietOCR.NET v1.4

Publish OCR interim results to produce more responsive UI performance, improving user experience
Support for cancellation of running OCR tasks
Merge PDF functionality

3 October 2009 - VietOCR v1.3 & VietOCR.NET v1.3

Improve exception handling with appropriate error messages
Improve handling of PDF documents that has many pages. Putting too many images, as a result of PDF extraction, in a multi-page TIFF eventually will generate out-of-memory exceptions
Split PDF functionality

10 September 2009 - VietOCR v1.2 & VietOCR.NET v1.2

Integrate PDF support using GPL Ghostscript

6 September 2009 - VietOCR v1.1 & VietOCR.NET v1.1

Merge TIFF functionality

1 August 2009 - VietOCR.NET v1.0

Update to Tessnet2 .NET wrapper for Tesseract 2.04 OCR engine
Add more language codes to ISO639-3.xml file
Fix a long-standing issue with accessing original image from a different thread; it would throw an InvalidOperationException with message "Object is currently in use elsewhere"
Add support for custom text replacement in postprocessing

1 August 2009 - VietOCR v1.0.1

Refactor for improvements

18 July 2009 - VietOCR v1.0

Update to Tesseract 2.04 engine (bundled Windows executable)
Add more language codes to ISO639-3.xml file
Add a pangram.xml file for displaying appropriate Preview text in the Font Dialog for the OCR language currently selected
Move various settings to the Options dialog
Remove the option of Locating Tesseract on Windows. Current Tesseract is the executable bundled inside the program
Add support for custom text replacement in postprocessing

21 June 2009 - VietOCR v0.9.13 & VietOCR.NET v0.9.4

Update to Tesseract 2.04RC engine
Add indeterminate progressbar for (more animated) task status
Add All Image Files filter
Remove Vietnamese-glyph font filter to now show all system fonts (Java version only)
Change FontDialog's default Preview text to the standard English pangram to make it more universal (Java version only)
Modify SimpleFilter to accept multiple file extensions (Java version only)

25 April 2009 - VietOCR v0.9.12

Fix the way TESSDATA_PREFIX environment variable handled in Linux
Clean up temporary files if errors occur during OCR operations
Fix a regression EOL bug with output files in Windows
Display appropriate error message during batch process

25 April 2009 - VietOCR.NET v0.9.3

Refactor
Display appropriate error message during batch process

15 March 2009 - VietOCR v0.9.11 & VietOCR.NET v0.9.2

Add text formatting functionality

18 January 2009 - VietOCR v0.9.10 & VietOCR.NET v0.9.1

Add watch folder functionality for Batch Processing support

10 January 2009 - VietOCR v0.9.9 & VietOCR.NET v0.9

Revamp localization codes
Add rudimentary support for English postprocessing

30 November 2008 - VietOCR v0.9.8 & VietOCR.NET v0.8

Minor fixes and various improvements

10 November 2008 - VietOCR v0.9.7 & VietOCR.NET v0.7

Implement image rotation functionality

2 November 2008 - VietOCR v0.9.6

Fix an error with path in Linux
Additional instruction for configuring Tesseract on Linux

28 October 2008 - VietOCR v0.9.5 & VietOCR.NET v0.6

Integrate scanning support via WIA Automation Library v2.0

21 October 2008 - VietOCR v0.9.4 & VietOCR.NET v0.5

Localize user interface

1 August 2008 - VietOCR.NET v0.4.2

Add file drag-n-drop support
Add selection rectangle
Make Picturebox scrollable with mouse wheel
Replace RTF-based help form with HTML-based

10 June 2008 - VietOCR.NET v0.2

Integrate Tessnet2 .NET wrapper for Tesseract 2.03 OCR engine
Use Vietnamese language data for Tesseract 2.03 (data for 2.01 crashes frequently with Tesseract 2.03)
Add Vietnamese input methods
Add post-processing for Vietnamese language

26 April 2008 - VietOCR v0.9.3 (aka, jtOCR)

Proof-of-concept design
Support TIFF image formats
Add support for JPEG, GIF, BMP, PNG formats
Add post-processing for Vietnamese to improve accuracy
Add Vietnamese input methods
Add recognition of selected area on image
Add file drag-drop
Add a context menu for the textarea
Add support for selection of Look and Feel
Display appropriate message when Tesseract engine crashes
Fix the issue involving filepaths containing spaces
Bundle JAI Image I/O 1.1 library
Use Java 6.0
Use Tesseract 2.03 OCR engine
Use Vietnamese language data for Tesseract 2.03 (data for 2.01 crashes frequently with Tesseract 2.03)