Kei Okada

I tried to discussion this topic at https://github.com/ros-perception/vision_opencv/pull/56#issue-53170691 > this package contains a lot of new message, show we create opencv_msgs that holds opencv basic data structure ? or ask...

please use https://raw.githubusercontent.com/ros-perception/opencv_apps/f662a1b9315d463e510d54934b17cc1775296325/launch/face_detection.launch, we will release this version very soon -- ◉ Kei Okada 2019年4月19日(金) 12:38 趙 漠居(Zhao, Moju) : > Any suggestion about the following error? > The face...

okay.... 1) please do not edit files with `sudo`. you can use `sudo` only for `apt` command. if someone told you to change the code or run command by `sudo...

please check contents of `~/.ros/opencv_apps/face_data/`, is there is no image file, you need to take pictures of your face from face_recognition_trainer.py window

> Maybe, it is better to add a line here, to check the size of the label_mapper_. If it is empty, then just return from this callback, avoiding the confusion....

please put line_segment_detector.png so that we can put that imgae on http://wiki.ros.org/opencv_apps

@iory failing on test -> https://travis-ci.org/ros-perception/opencv_apps/jobs/166045561 ``` + catkin_test_results --verbose build Full test results for 'opencv_apps/test_results/opencv_apps/roslaunch-check__home_travis_catkin_ws_src_opencv_apps_launch_line_segment_detector.launch.xml' ------------------------------------------------- <![CDATA[ [/home/travis/catkin_ws/src/opencv_apps/launch/line_segment_detector.launch]: cannot find node [line_segment_detector] in package [opencv_apps] ]]> ------------------------------------------------- Full test...

``` if(TARGET opencv_line_descriptor) set(OPENCV_HAVE_LINE_DESCRIPTOR TRUE) endif() if(OPENCV_HAVE_LINE_DESCRIPTOR) opencv_apps_add_nodelet(line_segment_detector line_segment_detector/line_segment_detector src/nodelet/line_segment_detector_nodelet.cpp) # ./lsd_lines.cpp endif() ``` if target set, set OPENCV_HAVE.... and if OPENCV_HAVE.. is set, set target. seems very strange.... why...

I see, you're correct. that's why we need `find_packge(OpenCV)` and sometime we have trouble when we install `ros-indgo-opencv3`, becuase `ros-indigo-cv-bridge` is linked against opnecv2, but `find_packaage(OpenCV)` look for `ros-indigo-opencv3` --...

@iory please rebase origin/master