How to Install and Uninstall libopencv-dnn-dev Package on Ubuntu 21.04 (Hirsute Hippo)

Last updated: February 17,2025

1. Install "libopencv-dnn-dev" package

Learn how to install libopencv-dnn-dev on Ubuntu 21.04 (Hirsute Hippo)


    
        
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                sudo apt update
            
                    
    
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                sudo apt install
            
                        
                libopencv-dnn-dev
            
                    
    
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2. Uninstall "libopencv-dnn-dev" package

Please follow the step by step instructions below to uninstall libopencv-dnn-dev on Ubuntu 21.04 (Hirsute Hippo):


    
        
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                sudo apt remove
            
                        
                libopencv-dnn-dev
            
                    
    
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                sudo apt autoclean && sudo apt autoremove
            
                    
    
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3. Information about the libopencv-dnn-dev package on Ubuntu 21.04 (Hirsute Hippo)

Package: libopencv-dnn-dev
Architecture: amd64
Version: 4.5.1+dfsg-4ubuntu1
Multi-Arch: same
Priority: optional
Section: universe/libdevel
Source: opencv
Origin: Ubuntu
Maintainer: Ubuntu Developers
Original-Maintainer: Debian Science Team
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 10984
Depends: libopencv-core-dev (= 4.5.1+dfsg-4ubuntu1), libopencv-dnn4.5 (= 4.5.1+dfsg-4ubuntu1)
Filename: pool/universe/o/opencv/libopencv-dnn-dev_4.5.1+dfsg-4ubuntu1_amd64.deb
Size: 1283304
MD5sum: cb971b2f632747079e92ca0a015ad9eb
SHA1: 2975986950cb77ec8950b200511e1227e0a5cead
SHA256: dce64aa226386ea40626d2d09e20e007fb4ebbd1cc898d3febfcfd159c5f10d1
SHA512: 90cac16771e4bb94effefe41cb107d86a1a7557ab44a6746e909b5ede47692271394f9cb99c14e2b4952254a3f9c711f9a6b9e314572fa169f683b6721350a72
Homepage: https://opencv.org
Description-en: development files for libopencv-dnn4.5
This package contains the header files and static library needed to compile
in deep neural network module.
.
The Open Computer Vision Library is a collection of algorithms and sample
code for various computer vision problems. The library is compatible with
IPL (Intel's Image Processing Library) and, if available, can use IPP
(Intel's Integrated Performance Primitives) for better performance.
.
OpenCV provides low level portable data types and operators, and a set
of high level functionalities for video acquisition, image processing and
analysis, structural analysis, motion analysis and object tracking, object
recognition, camera calibration and 3D reconstruction.
Description-md5: e84976a9725fc991db2ee5c00e46d0a2