Questions tagged [stereo-calibration]
The stereo-calibration tag has no usage guidance.
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Stereo Camera Calibration Issues with Point Grey Flea3 cameras on a Jackal Rover
We are currently working with a jackal robot from Clearpath Robotics, and we are having troubles with the stereo camera. We can get each individual Flea3 PointGrey camera to work individually, but ...
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How to get raw stereo camera calibration from left and right camera_info messages
Hi guys,
I am trying to obtain the stereo un-rectified calibration (that is un-rectified extrinsics R and t; and calibration matrix K for each camera) from the left_camera_info.yaml and the ...
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Do i need to calibrate my cameras everytime to use?
Hi, I have two cameras, same make and model and I wanted to get a disparity map using these two as stereo cameras. What doubt I have is that do I need to calibrate my cameras every time I use them or ...
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StereoCalibration GUI doesn't start
This is the message displayed in the console:
rosrun camera_calibration cameracalibrator.py --size 8x6 --square 0.108 right:=/optris/thermal_binary left:=/camera/rgb/image_rect_color left_camera:=/...
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Launch two camera nodes for stereo calibration
Hello, I am attempting to launch two camera nodes via a launch file in order to calibrate them via stereo. Below is my launch file:
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What are the next steps after stereo calibration?
I've completed the stereo calibration tutorial and have my sample images and parameters in a calibrationdata.tar.gz file. Where do I go from here?
I want to use this to create a depth map and point ...
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running image_view with pointgrey flea3 camera
Hello,
I installed the driver for two Flea3 Pointgrey cameras whose accessibility are (successfully) verified via:
rosrun pointgrey_camera_driver list_cameras
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Now "starting&...
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stereo_calibration - rotation and translation matrix from output?
I did a stereo calibration of two rgb-cameras with the camera_calibration package.
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Can you change ROI (region of Interest) for stereo camera without recalibrating?
Hello,
I've built a high-resolution stereo camera (two Prosilica GC2450-C's), and I'm setting a region of interest that needs to be changeable without manually recalibrating the stereo camera. I'd ...
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ros_camera_info service not found for usb_cam
Hi!
I use 2 USB cameras for stereo vision with the usb_cam driver in ROS Groovy and I would like to calibrate them with the camera_calibration package. I start the cameras with the following launch ...
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cameracalibrator.py crashes during calibration
Hello. I'm trying to calibrate the bumblebee2. I'm currently using camera1394 stereo and the following topics are being published.
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Rectification matrix clarification in stereo vision calibration
I have a Point Grey Bumblebee2 that I am trying to integrate into ROS and I am using the camera1394stereo node to read raw images from both cameras.
I have calibrated both cameras by hand and am ...
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Problem with stereo and monocular calibration on openni_kinect
Hello, Im trying to get my kinect stereo calibrate so I was following this tutorial:
http://www.ros.org/wiki/camera_calibration/Tutorials/StereoCalibration#Before_Starting
but when I try $ rostopic ...
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cameracalibrator.py error when trying to calibrate an approximate synchronized stereo pair
I'm trying to calibrate a stereo-pair. Both cameras are working and I am using the approximate synchronization feature. I'm using the following launch file to start the stereo pair:
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Two orthogonal cameras : stereo calibration?
Is it possible to use the stereo camera calibrator camera_calibration cameracalibrator.py to calibrate two cameras orthogonal each other? Imagine orthogonal ...
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How to calibrate videre_stereo_camera
I am trying to calibrate a videre stereo camera.I am using the Videre_stereo_cam from ua_drivers package as drivers for the camera.I tried to calibrate the camera by following this tutoriallink text ...
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Prosilica Stereo Calibration
As an introduction, I am working as part of a team with a few other students to integrate a pair of stereo cameras onto a robot as part of a course project.
We are using a modified version of the ...