-
Notifications
You must be signed in to change notification settings - Fork 1.2k
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
LSD-Slam capture does not start #115
Comments
The window appears as soon as you provide images on the right topic |
@kilmarnock ,I encountered the same question as @holzkohlengrill ,but how to provide images on the right topic? |
the steps I did is shown: #141 |
@xiaokeme , try to set up your camera without using lsd_slam. Verify your setup: should give you the current frames per second on this topic. If you do not get any image, try to ask your question in ros-answers, it is not lsd_slam related then but rather a problem of your camera setup. Your steps in 141 show: |
@kilmarnock ,thank you very much! |
@kilmarnock I'm having the same issue. rostopic hz /image_raw For me it only gets as far as
|
@mihaibujanca
or provide your image at /image and check it with I corrected my post above, sorry for the mistake. |
@kilmarnock I am providing lsd slam with the image topic when I run it:
So I don't think that's the problem |
what is the output of |
Video2ros (package rbx1/rbx1_vision) is just publishing a video I recorded with a pi camera - at some point I'll try to stream the video from a pi and have it processed on my laptop. Looks like lsd_slam is not subscribing to it, though image_view has no problem with it, the image is displayed properly |
Your assumption is right: lsd_slam is not subscribing. Try to use a launch file and remap the image topic in there:
You have to end providing images like so:
|
@kilmarnock All I have to do now is get a good calibration file, since I'm getting Thanks a lot . |
When I am trying to start LSD-Slam like:
rosrun lsd_slam_core live_slam image:=/image_raw _calib:='<path_to_my_calibrationfile.cfg'
I get the following output (no window appears, ...):
Reading Calibration from file /home/marcel/rosbuild_ws/package_dir/lsd_slam/lsd_slam_core/calib/OpenCV_example_calib.cfg ... found!
found OpenCV camera model, building rectifier.
Input resolution: 752 480
In: 500.000000 500.000000 350.000000 240.000000 0.000000 0.000000 0.000000 0.000000
Out: Crop
Output resolution: 640 480
Started mapping thread!
Started constraint search thread!
Started optimization thread
Another point (which could be related to this issue) is that when I view a pointcloud dataset I got colour information (just the viewer is shown).
Thanks.
The text was updated successfully, but these errors were encountered: