Code refactor

Change-Id: Ice294178d7af9be94a8bb65c1d0a7c8064f0ce7e
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7cfcbfa..12d5c52 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -25,4 +25,4 @@
      pip3 install -r requirements.txt
 
 ENTRYPOINT ["./bin/person_detection.sh"]
-CMD ["-i gstreamer -pt 0.75"]
+CMD ["-pt 0.75"]