624647769/java-opencv repository overview

⁠介绍

ubuntu ubuntu22.04

jdk jdk-8u301

opencv opencv-4.5.4

opencv.so path /usr/local/opencv-4.5.4/build/lib/libopencv_java454.so

⁠Step

1. pull docker pull 624647769/java-opencv:jdk8-opencv4.5.4

2. docker run --rm 624647769/java-opencv:jdk8-opencv4.5.4 /bin/bash

3. cd /usr/local/opencv-4.5.4/samples/java && java -jar OpencvTest.jar

4. 出现如下信息，说明编译成功

     .   ____          _            __ _ _
    /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
   ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
    \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
     '  |____| .__|_| |_|_| |_\__, | / / / /
    =========|_|==============|___/=/_/_/_/
    :: Spring Boot ::                (v2.6.2)
   
   2022-03-04 06:22:23.486  INFO 15 --- [           main] c.e.opencvtest.OpenCvTestApplication     : Starting OpenCvTestApplication v0.0.1-SNAPSHOT using Java 1.8.0_301 on 7c7b6084d02f with PID 15 (/usr/local/opencv-4.5.4/samples/java/OpencvTest.jar started by root in /usr/local/opencv-4.5.4/samples/java)
   2022-03-04 06:22:23.487  INFO 15 --- [           main] c.e.opencvtest.OpenCvTestApplication     : No active profile set, falling back to default profiles: default
   2022-03-04 06:22:23.758  INFO 15 --- [           main] c.e.opencvtest.OpenCvTestApplication     : Started OpenCvTestApplication in 0.457 seconds (JVM running for 0.685)
   Mat [ 4*4*CV_8UC1, isCont=true, isSubmat=false, nativeObj=0x7f2ddd729990, dataAddr=0x7f2ddd72cc40 ]
   

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5. 在java代码中使用(生成环境)

   System.load("/usr/local/opencv-4.5.4/build/lib/libopencv_java454.so");
   

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   或在启动参数中添加

   -Djava.library.path=/usr/local/opencv-4.5.4/build/lib
   

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