libcv2.3 software package provides computer vision library - libcv* translation package, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libcv2.3
libcv2.3 is installed in your system.
Make ensure the libcv2.3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcv2.3 *
You will get with libcv2.3 package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Libraries |
| Package | libcv2.3 |
| Version | 2.3.1-11+deb7u1 |
| Description | computer vision library - libcv* translation package |
| Sub Section | libs |