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The IRISOCR™ SDK 16 integrates the following patent-granted and patent-pending I.R.I.S. technologies.

Table 1. Patent-granted I.R.I.S. technologies

TechnologyPatent number
iHQCUS8068684; US8331706; US8666185; JP5501958; US8995780; EP2143039A2; BE1022166
Operational projective correction (eigenpoints)BE1022635; US8913836; JP6542230
Operational projective correction (priority RANSAC)BE1022630; US8897600
Operational projective correction (multilevel elimination)BE1022636; US8811751
ICUS8411940
Simultaneous deskewBE1021013
Asian OCRUS9058517; US9183636; US9311558; BE1025006; CN106462773B; CN106255979B; JP6609267; JP6693887B2; 1025502B1; 1025504B1; 1025503B1
OCR MethodBE1022562; US9798943
OCR votingBE1024194; US9836646
Document image quality assessmentBE1024836; US10395393
HQOCRGB2571530; BE1026039; GB2572386; BE1026159
Automatic UnditheringBE1026095
Full combination OCRUS11270143B2

Table 2. Patent-pending I.R.I.S. technologies

TechnologyPatent application number
HQOCRCN201980006076.6; EP19711001.8; JP2020-523263; KR10-2020-7027906; US16/286438; EP19711002.6; US16/354030
Automatic unditheringGB1803748.1; EP19706547.7; US16/292130
Language identificationUS16/845720;PCT/EP2021/059315

The IRISOCR™ SDK is trademark of Image Recognition Integrated Systems S.A.

OCR (“Optical Character Recognition”), Linguistic technology, ICR (“Intelligent Character Recognition”) technology, MICR (“Magnetic Ink Character Recognition”) technology, BCR (“Bar Code Reading”) technology, OMR (Optical Mark Recognition), iHQC (“intelligent High Quality Compression”) technology and HQOCR (“High Quality OCR”) technology by I.R.I.S.

Document Generation by I.R.I.S.

All other products mentioned in this documentation are trademarks or registered trademarks of their respective owners.

The IRISOCR™ SDK is built on proprietary I.R.I.S. technologies.
However, Open Source Software (OSS) or Commercial Products or Components may also be used in certain modules or extensions. A list with these components is given below.

Table 3. Open Source third-party components

Open Source softwareModule or extensionVersionLicense
libjpegModule ImageFormats9d 12-Jan-2020License: Custom Copyright © 2020, Thomas G. Lane, Guido Vollbeding. License details: see readme in distribution Home page
libpngModule ImageFormats1.6.37License: Custom Copyright © 1998-2002, 2004, 2006-2017 Glenn Randers-Pehrson License details Home page
libtiffModule ImageFormats4.3.0License: Custom Copyright © 1988-1996 Sam Leffler, Copyright © 1991-1996 Silicon Graphics, Inc. License details Home page
zlibModule ImageFormats1.3.1License: Custom Copyright © 1995-2012 Jean-loup Gailly and Mark Adler License details Home page
Module OCR
Module DocumentOutput
PDFiumExtension ImageFormats.PdfInputCommit 821b731112 f6b6eb58f9a90a d117991330c8530fLicense: 3-clause BSD License Copyright © 2014 PDFium Authors. License details Home page
EigenModule OCR3.3.4 compiled with flag EIGEN_MPL2_ONLYLicense: MPL2 License details Home page
CaffeModule OCRN/ALicense: BSD 2-Clause License details Home page
glogModule OCR0.3.3License: Google free license License details Home page
gflagsModule OCR2.1.2License: Google free license License details Home page
protobufModule OCR3.5.0License: Google free license License details Home page
boostModule OCR1.38.0License: boost software license License details
1.56.0
boost.extensionModule OCRN/ALicense: boost software license License details Home page
cld2Module OCRN/ALicense: Apache 2.0 License details Home page
harfbuzzModule OCR2.3.1License: Old MIT license License details Home page
tinyAESModule OCRN/APublic domain Home page
Module DocumentOutput
bidi.cppModule OCR26Public domain Home page
MinizipModule DocumentOutput1.1License: Custom Copyright © 1998-2010 Gilles Vollant License details
pugixmliDRS Kernel1.11License: MIT License Copyright © 2006-2020, by Arseny Kapoulkine License details Home page
Module DocumentOutput
libdmtxExtension Barcode.2D0.7.5License: Custom Copyright © 2005-2011 Mike Laughton and others License details Home page
ZxingExtension Barcode.2Dcommit 6b3cbe0 on Nov 22, 2016License: Apache 2.0 Copyright © 2013 ZXing authors License details Home page
opencvExtension Barcode.2D3.4.17License: 3-clause BSD License Copyright: see license details License details Home page
UTF8-CPPiDRS Kernel4.0.1License: boost software license Copyright © 2006 Nemanja Trifunovic License details Home page

Table 4. Commercial third-party components

Commercial softwareModule or extensionVersionLicense
Softek Barcode Reader Toolkit for LinuxExtension Barcode.Advanced9.3.1.18License: Commercial Copyright © 2023 Softek Software Ltd. All Rights Reserved License details Home page
Softek Barcode Reader Toolkit for WindowsExtension Barcode.Advanced9.3.1.18License: Commercial Copyright © 2023 Softek Software Ltd. All Rights Reserved License details Home page