DCR - Release Notes

1. Version 0.9.7

Release Date: 08.03.2022

1.1 Modified Features

• Delimitation of the documentation to the DCR application
• Delimitation of the tests to the DCR application
• Updating the third party software used

1.2 Applied Software

Software	Version	Remark	Status
DBeaver	22.2.0	for virtual machine only [optional]	upgrade
Docker Desktop	20.10.17	base version [Docker Image & VM]
Git	2.34.1	base version	upgrade
Pandoc	2.19.2		upgrade
PFlib TET	5.3
Poppler	22.02.0		upgrade
Python3	3.10.7		upgrade
Tesseract OCR	5.2.0-22-g0daf1	base version	upgrade
TeX Live	2022	base version	upgrade

1.2.1 Unix-specific Software

Software	Version	Remark	Status
asdf	v0.10.2	base version (optional)
cURL	7.81.0	base version	upgrade
dos2unix	7.4.2	base version	upgrade
GCC & G++	11.2.0	base version	upgrade
GNU Autoconf	2.71	base version	upgrade
GNU Automake	1.16.5	base version	upgrade
GNU make	4.3	base version	upgrade
htop	3.2.1	optional
OpenSSL	1.1.1o		upgrade
procps	3.3.17	base version (optional)	upgrade
tmux	3.3a	optional
Ubuntu	22.04.4 LTS	base version	upgrade
Vim	8.2.3995	base version (optional)	upgrade
Wget	1.21.2		upgrade

1.2.2 Windows-specific Software

Software	Version	Remark	Status
Grep for Windows	2.5.4	base version
Make for Windows	3.81	base version
sed for Windows	4.2.1	base version

1.3 Open issues

1. Tesseract OCR: (see here)

2. Detailed Open Issues

2.2 Tesseract OCR

• Issue: Images of type 'jp2': Error in pixReadStreamJp2k: version 2.3.0: differs from minor = 2 ... see #57

Issue (ocr): Converting the file 'D:\SoftDevelopment\Projects\dcr\data\inbox_accepted\pdf_scanned_03_ok_5.jp2' to the file 'D:\SoftDevelopment\Projects\dcr\data\inbox_accepted\pdf_scanned_03_ok_5.pdf' with Tesseract OCR failed - error status: '1' - error: 'Error in pixReadStreamJp2k: version 2.3.0: differs from minor = 2 Error in pixReadStream: jp2: no pix returned Error in pixRead: pix not read Error during processing.'.