How to Install and Uninstall libopencv-dnn4.2 Package on Ubuntu 20.04 LTS (Focal Fossa)

Last updated: April 25,2024

1. Install "libopencv-dnn4.2" package

Please follow the guidance below to install libopencv-dnn4.2 on Ubuntu 20.04 LTS (Focal Fossa)


    
        
            $
        

        
            
                sudo apt update
            
                    
    
    Copied


    
        
            $
        

        
            
                sudo apt install
            
                        
                libopencv-dnn4.2
            
                    
    
    Copied

2. Uninstall "libopencv-dnn4.2" package

Here is a brief guide to show you how to uninstall libopencv-dnn4.2 on Ubuntu 20.04 LTS (Focal Fossa):


    
        
            $
        

        
            
                sudo apt remove
            
                        
                libopencv-dnn4.2
            
                    
    
    Copied


    
        
            $
        

        
            
                sudo apt autoclean && sudo apt autoremove
            
                    
    
    Copied

3. Information about the libopencv-dnn4.2 package on Ubuntu 20.04 LTS (Focal Fossa)

Package: libopencv-dnn4.2
Architecture: amd64
Version: 4.2.0+dfsg-5
Multi-Arch: same
Priority: optional
Section: universe/libs
Source: opencv
Origin: Ubuntu
Maintainer: Ubuntu Developers
Original-Maintainer: Debian Science Team
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 3249
Depends: libopencv-core4.2 (= 4.2.0+dfsg-5), libc6 (>= 2.29), libgcc-s1 (>= 3.0), libopencv-imgproc4.2 (>= 4.2.0+dfsg), libprotobuf17, libstdc++6 (>= 9)
Filename: pool/universe/o/opencv/libopencv-dnn4.2_4.2.0+dfsg-5_amd64.deb
Size: 872600
MD5sum: b407488c2660af6ab0054df5547b982a
SHA1: bc7264b2a69d9b9e273b65739564809470fc4f17
SHA256: 7db3af53a497f3f0bb8c1440337c9894116e458ec0a0862c16bef2a2815e2b62
Homepage: https://opencv.org
Description: computer vision Deep neural network module
Description-md5: 72ced12aa6915ca1fd2c25f0f814929c
Task: ubuntustudio-video