Need suggestions for calibrating Asus Xtion Pro live sensor
Hi, I want suggestions from experts here to calibrate the asus xtion pro live sensor. I am running ROS Hydro on Ubuntu 12.04. Also I want to mention I am using openni2 to run the sensor. I read the...
View ArticleUnable to set camera info for calibration
What can be wrong if I get the following error upon camera calibration? $ rosrun camera_calibration cameracalibrator.py --size 4x6 --square 0.024 --approximate=0.1 --camera_name=stereo_frame...
View ArticleCan't catkin_make or install dependencies for camera_calibration on...
root@user-Studio-1558:~/catkin_ws# rosdep install camera_calibration ERROR: the following packages/stacks could not have their rosdep keys resolved to system dependencies: camera_calibration: No...
View Articlekinect camera calibration
i am abit confused about the camera matrix in calibration. Do IR camera and RGB camera have different camera matrix? If i have a point in RGB image plane and i want to convert it to world coordinate...
View Articleviso2 stereo disparity
I am trying to use [viso2_ros](http://wiki.ros.org/viso2_ros) . So I calibrated my stereo camera set. Does the distance between the cameras matter...
View ArticleCamera calibration many cameras
hello I want to use the package camera calibration for intrinsic calibration for more cameras in the same time. i use the procedure for each camera separately. its working good but i want to use the...
View ArticleIR calibration of Asus Xtion Pro
I want to calibrate an Asus Xtion Pro with camera_calibration on Indigo in Ubuntu 14.04. However when I want to calibrate them using camera_calibration by typing: ricardo@ricardo-desarrollo:~$ rosrun...
View ArticlePublishing camera_info messages
Hello everyone I am using Ubuntu 14.04 and Ros Indigo. I am trying to make the tutorial on camera_calibration (http://wiki.ros.org/camera_calibration/Tutorials/MonocularCalibration) To do this they ask...
View Articleregular camera and range camera calibration
Dear all, I'm facing a camera calibration problem. Say I have one regular camera C1, 640 by 480 pixels, and a range camera C2, 165 by 120 pixels. I put them close to each other, base line of which is...
View ArticleError while interfacing my webcam to ROS
I installed **ros-indigo-usb-cam** package and executed the code `rosrun usb_cam usb_cam_node ~video_device "/dev/video0"` which resulted in following error **[ERROR] [1435589390.503107344]: outbuf...
View Articleethzasl_ptam accuracy
Hi I asked a similar question before, but haven't gotten an answer, so I'm asking again. When I run the camera calibration node with ethzasl_ptam, I get a pretty bad calibration. [It says on the...
View ArticleStereo camera calibration: system error
Hi all, I'm trying to perform a calibration of a stereo usb camera using the usb_cam drivers. I am following the proper tutorial on the ROS wiki page...
View ArticleCamera Calibration fails to run
I am running ROS Indigo on Ubuntu 14.04. I am trying to follow the camera calibration tutorial on the ROS Wiki. http://wiki.ros.org/camera_calibration I give the following command > rosrun...
View Articlecamera calibration with non standard image size
______________ There was an error in the code used to visualize the estimates. No problem here. I am trying to calibrate a mvBluefox-igc for a vision based estimator. When i run camera calibration a...
View ArticleAbout the camera calibration parameters
Hi, I have been looking at the camera calibration parameters generated during the calibration and the explanation of the cameraInfo parameters in the ROS wiki. I can't figure out what the K' matrix is...
View Articlecamera_calibration circle grid pattern
Hello, i have a question regarding the camera_calibration package. Basically i need some help how to use it with a circle grid. The tutorial is only about chessboard grids which are working fine, but i...
View Articlecamera_calibration - override enough data check
Hi everybody, I'd like to calibrate a stereo rig with the camera_calibration stereo node. I have a set of pre-recorded images that I publish using a simple ad-hoc player node and with some datasets it...
View Articlecamera_calibration: Projection matrix and camera matrix not the same.
I did a calibration of a monocular camera. These two wiki pages were my references for the interpretation of the results [1] http://docs.ros.org/api/sensor_msgs/html/msg/CameraInfo.html [2]...
View ArticleHow to use camera calibration with ubuntu 14.04?
I use ubuntu 14.04 and ROS Indigo. I try to run lsd_slam using image list. It requires a calibration file. So, I try to create a calibration file using `rosrun camera_calibration cameracalibrator.py...
View ArticleCamera calibration and fish eye cameras
HI all, Can camera_calibration package be used to calibrate fish eye cameras?
View Article