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You need to have the following installed on your machine.

JDK 1.8 http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Maven 3.3.9 https://maven.apache.org/download.cgi

ZooKeeper 3.4.8 https://zookeeper.apache.org/releases.html

Kafka >=2.11-0.10.2.0 http://kafka.apache.org/downloads.html

Flink 1.6.2 Include in the maven repository

OpenCV 3.2.0 http://opencv.org/releases.html

Instruction to run:

  1. Keep the Zookeeper and Kafka servers up and running
  2. We need OpenCV native libraries to run this application. Mac users can mention them in the VM options in IntelliJ or add the below while running through the command line

-Djava.library.path="/opencv-3.2.0/build/lib"

  1. Create a new Kafka topic using below

kafka-topics.sh --create --zookeeper localhost:2181 --topic video-stream-event --replication-factor 1 --partitions 3

  1. Ensure that the input path camera.url, output path processed.output.dir and the log directories for stream-collector.log,stream-processor.log are created as mentioned in your code.

  2. To install the OpenCV JAR in a local Maven repository go to the video-stream-processor folder and execute

mvn clean

  1. Start the video stream processor first Use IntelliJ and create a configuration in corresponding main class and VM options or run the below from command line.

mvn clean package exec:java -Dexec.mainClass="com.iot.video.app.flink.processor.VideoStreamProcessor" -Dexec.cleanupDaemonThreads=false

  1. Start the video stream collector

mvn clean package exec:java -Dexec.mainClass="com.iot.video.app.kafka.collector.VideoStreamCollector" -Dexec.cleanupDaemonThreads=false

There you go!

Check your output directory(processed.output.dir) and see the processed frames.

I tried with California live traffic videos and see the sample processed frames below with the motion highlighted

alt text

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