IronOCR for .NET のリリース
Released: Jan 19, 2023
2023.1.11644 での更新項目
機能
- Added 'Installation.LanguagePackDirectory' for specifying path to .ocrdata files.
- Added 'OcrInput.SelectTextColors' for only reading text of specific colors.
- Now allows single-threaded OCR reads (see IronTesseract.Multithreaded).
不具合の修正
- IronOcr for use with ClickOnce publishing and 'dotnet publish' command.
- Some instances where language packs would fail to load.
- Crop rectangle being ignored when reading from TIFF images.
- Trial users not being able to read text from images.
Released: Jan 17, 2022
2022.x での更新項目
2022.12.10830
Updated Dec 5, 2022
Features
- Added support for Microsoft .NET 7.
- Added 'IronSoftware.System.Drawing' to replace 'System.Drawing.Common' in IronOCR.
- Improved support for several Linux distributions.
- Improved 'OcrFilters.DeNoise': Now reduces speckle noise.
- Removed support for Microsoft .NET Framework 4. Minimum supported .NET Framework is now version 4.6.2.
- Removed internal dependency on 'System.Drawing.Common'.
- Added brand new OcrFilters to improve reading from noisy images:
Released: Feb 24, 2021
2021.x での更新項目
2021.12.0
Updated Dec 21, 2021
2021.11.0
Updated Oct 29, 2021
Features
- Improved: Speed and Stability.
- Improved: Microsoft .NET 5 and .NET 6 beta support.
Fixes
- License Key validation improved.
2021.9.0
Updated Aug 24, 2021
Features
- Improved Microsoft Azure function compatibility.
- Now works with read-only OCR dictionaries.
- Added support for Microsoft .NET 5.07.
- Improved license key reading from project configuration files (edge cases).
- Added color replacement methods...
Released: Dec 14, 2020
2020.12.2 での更新項目
機能
- Added OcrResult.SaveAsSearchablePdfBytes method.
- Added OcrResult.SaveAsHocrString method.
- Improved MVC, WinForms and Microsoft Azure function compatibility.
不具合の修正
- Resolved OcrData installation issues.
Released: Nov 13, 2020
2020.11.2 での更新項目
機能
- Added support for Tesseract 5 & 4.
- Added 125 Language Packs.
- Added support for Microsoft .NET Core.
- Added support for Microsoft .NET Standard.
- Added support for Microsoft .NET Framework 4.0+.
- Added support for Linux.
- Added support for MacOS.
- Added support for Mono.
- Added support for Xamarin Mac.
Released: Jun 21, 2018
v4.4.0 での更新項目
機能
- Improved support for OCR crop regions within pages and documents.
- PDF OCR Reading improved for speed and stability.
- Improved OCR accuracy, especially for skewed and low DPI scans and images.
Released: Apr 12, 2018
v4.3.0.1 での更新項目
機能
- Overall speed and stability improvement through better OCR image processing core code.
- Memory management improved; memory load reduced by 75%.
- Improved Multithreading Performance. Safe to use in BackgroundWorkers, Tasks, Async, and other multithreaded applications.
Released: Feb 5, 2018
v4.2.2.51 での更新項目
機能
- Updated to strongly named .Net assemblies.
- Cropping added to automatic OCR class (AutoOCR).
- Installation cache folder can now be set manually.
Released: Sep 6, 2017
v4.2.1.5 での更新項目
機能
- Multilingual package support.
- PDF OCR support.
- PDF barcode & QR reading.
- Async multithreading for performance.
