Merge pull request #145 from knorth55/fix-visualization

use bgr8 for output visualization

Author: k-okada

src/nodelet/lk_flow_nodelet.cpp

@@ -263,7 +263,7 @@ class LKFlowNodelet : public opencv_apps::Nodelet
       cv::swap(prevGray, gray);
 
       // Publish the image.
-      sensor_msgs::Image::Ptr out_img = cv_bridge::CvImage(msg->header, msg->encoding, image).toImageMsg();
+      sensor_msgs::Image::Ptr out_img = cv_bridge::CvImage(msg->header, "bgr8", image).toImageMsg();
       img_pub_.publish(out_img);
       msg_pub_.publish(flows_msg);
     }

src/nodelet/phase_corr_nodelet.cpp

@@ -172,7 +172,7 @@ class PhaseCorrNodelet : public opencv_apps::Nodelet
       prev = curr.clone();
 
       // Publish the image.
-      sensor_msgs::Image::Ptr out_img = cv_bridge::CvImage(msg->header, msg->encoding, frame).toImageMsg();
+      sensor_msgs::Image::Ptr out_img = cv_bridge::CvImage(msg->header, "bgr8", frame).toImageMsg();
       img_pub_.publish(out_img);
       msg_pub_.publish(shift_msg);
     }