cv4j
                                The target is to set up a high quality and real-time image process and machine learning library which is implemented in pure java. The framework can run application on java desktop and android platform.
                            
                        How to download and setup cv4j
Open terminal and run command
                                            git clone https://github.com/imageprocessor/cv4j.git
                                        
                                        git clone is used to create a copy or clone of cv4j repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with cv4j https://github.com/imageprocessor/cv4j/archive/master.zip
Or simply clone cv4j with SSH
                                            [email protected]:imageprocessor/cv4j.git                                    
                                    If you have some problems with cv4j
You may open issue on cv4j support forum (system) here: https://github.com/imageprocessor/cv4j/issuesSimilar to cv4j repositories
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