All Questions
20 questions
0
votes
1
answer
22
views
Kinetic error: opencv2/core/core.hpp No such file or directory
I am working with ROS kinetic on ubuntu 16.04
after a system update with Software-Updater i get an error while catkin_make-ing.
worked like a charm before.
...
Stoerakustik
0
votes
1
answer
6
views
find position of object in a bag
Hi guys,
I need to find(estimate) the 3D position of the 'people in the scene' -- (this is in the bag file) with respect to the camera.
My code is : (I didn't write it)
...
Rai
0
votes
1
answer
49
views
Could not find a package configuration file provided by "opencv2"
I was following the Converting between ROS images and OpenCV images (Python) tutorial and i came across the following problem while running catkin_make. I am new to ros and i am still finding my way ...
spkulgod
0
votes
1
answer
6
views
Book: Learning ROS for Robotics Programming; Chapter 5 homography.cpp:16:39: fatal error: opencv2/nonfree/nonfree.hpp: No such file or directory
Hello, I am studying the book for beginners to understand ROS. When I compile chapter 5 tutorials, I face this problem.
...
Abdul Mannan
0
votes
1
answer
73
views
Working with cv_bridge and OpenCV correctly
Hello, I am struggling to use cv_bridge correctly. Do I have to convert the cv_bridge to a cv::Mat, before I can use OpenCV's functions?
My situation is the following: I wrote a simple OpenCV ...
soulfutterer
0
votes
1
answer
2
views
Help in making node with OpenCV/cv_bridge and ROS Indigo
Greetings,
Running ROS Indigo, Ubuntu 14.04 and catkin_simple. My system has downloaded:
<...
Juan
0
votes
1
answer
25
views
Is it possible to convert depth messages as Ipl image using CvBridge
I could convert RGB messages in to picture but says that the "[32FC1] is not a color format. but [mono8] is. The conversion does not make sense". Is there anything else i should be doing?
my ...
shravan
0
votes
2
answers
66
views
How to extract depth data from rosbags(contains depth and RGB data) as picture frames
I have a Bagfile containing Raw depth and RGB data. I converted the RGB data into images using the tutorial
http://wiki.ros.org/rosbag/Tutorials/Exporting%20image%20and%20video%20data
But when I used ...
shravan
0
votes
1
answer
8
views
build errors when trying to use CVbridge with ROS Hydro
I'm trying to follow this tutorial - http://wiki.ros.org/cv_bridge/Tutorials/UsingCvBridgeToConvertBetweenROSImagesAndOpenCVImages
to stream images to a node.
After I added the node ...
voladoddi
0
votes
1
answer
25
views
vision_opencv can't be found by ROS but it's installed
I was trying to make a package using the catkin_create_pkg but later it gives me an error for a package I have.
My command was:
...
Metalzero2
0
votes
1
answer
6
views
Streaming RGB with asus and using houghlines algorithm
Im currently using Ubuntu and running on ROS groovy.
My intention is to live stream RGB images from Asus Xtion pro and run the houghlines transform algorithm from opencv. I created my own package and ...
Azl
0
votes
2
answers
1
view
add opencv to indigo
The Opencv packages aren't built in the ROS Indigo anymore. So what should I do if I want to add opencv2?
Originally posted by hsoltani on ROS Answers with karma: 70 on 2014-07-07
Post score: 4
hsoltani
0
votes
1
answer
4
views
opencv undefined reference problem
I am trying to build learning_image_transport from image_transport tutorial on Gumstix Overo which has ros groovy running on linaro.
However, one of dependencies of learning_image_transport -- opencv2 ...
AdrianPeng
0
votes
2
answers
8
views
OpenCV CMake Error
I have been using OpenCV without issue for months, but today when I catkin_make my workspace I now get the error:
-- +++ processing catkin package: 'clam_vision'
-- ==> add_subdirectory(...
Dave Coleman
0
votes
1
answer
1
view
Opencv2 include problems
Hello,
I am using fuerte an Ubuntu 12.04 and have an
include <opencv2/core/core.hpp> which can't be resolved (...
Oier
0
votes
1
answer
2
views
Error when converting IR kinect image to CvImage using cv_bridge
Hi guys,
I am trying to obtain the IR images (of type const sensor_msgs::ImageConstPtr& image) from the kinect, copy this image to a class attribute ...
K_Yousif
0
votes
1
answer
3
views
OpenCV with ROS Groovy
Hi,
I'm trying to use opencv library in ROS Groovy but I doesn't find how exactly it's working. A lot of time I have some errors like this: ...
keavenM
0
votes
1
answer
2
views
Catkin-izing OpenCV-based package
I converted my package that relies on OpenCV to catkin but I am getting lots of OpenCV errors. Is there somewhere that documents the required OpenCV changes to port to the new version?
catkin_make is ...
Dave Coleman
0
votes
1
answer
2
views
Cannot Use OpenCV With -std=c++0x/gnu++0x in Fuerte
Compiling against OpenCV/FLANN in Fuerte/Ubuntu 12.04 amd64/gcc4.6 fails when using -std=c++0x due to this issue which has yet to be integrated into ROS; are there plans to pull this fix into ROS any ...
ekaszubski
0
votes
1
answer
18
views
Is this the right approach for modelling a simple scene in 3d out of 2 images?
I'm new in this field and I'm trying to model a simple scene in 3d out of 2d images and I dont have any info about cameras. I know that there are 3 options ( ):
Or I have two images and I know the ...
Fobi