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Questions tagged [monocular-camera]

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how to check calibration of a single camera?

Hi, What's the best way to check the calibration of a single camera? Is there a way to load the calibration into the camera_calibration package and check it using ...
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Export matlab monocular camera calibration parameters to ROS

I have calibrated my camera using matlab's calibration toolbox and saved it as a .mat file. Is there a way to convert this file into yaml? Also once I have the yaml file, how can this file be accepted ...
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How do you calibrate the extrinsic parameters?

I was trying to calibrate my camera mounted on the robot base so that I can get the transform from base_link to camera_link. i was looking for efficient and fast ways to do this and I found the ...
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cameracalibrator.py error

I am trying to follow the ROS tutorial titled: "How to Calibrate a Monocular Camera", link I am using the gscam driver and have verified that it is publishing correctly. Also steps 1.1-1.3 ...
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Obstacle avoidance using a monocular camera

I would like to know if there is a ROS package for (unknown) obstacle avoidance using a monocular camera. Thanks in advance. Originally posted by alfa_80 on ROS Answers with karma: 1053 on 2014-05-16 ...
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kinect calibration- ImportError: No module named cv_bridge

Hi, UBUNTU 12.04 and FUERTE I am following the tutorial on calibrating kinect at http://www.ros.org/wiki/camera_calibration/Tutorials/MonocularCalibration I am getting the following error I have ...
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Monocular camera calibration

Hi guys, I have followed the monocular calibration tutorial and have calibrated my Firefly_mv (which uses the DC1394 drivers)image. The calibrations seems to be successful since the /camera/...
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How to tune mono visual odometry parameters of viso2_ros?

Hi everybody, I'm testing odometry accuracy of viso2_ros monocular vision. This is my system based on a differential drive: I tried to move the robot for one meter going to the straight direction and ...
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Do I have to rectify/crop images before process them with viso2_ros mono_odometry?

Hi everybody, I'd like to understand if it's mandatory to rectify and crop images before process them with viso2_ros mono_odometry. I mean: does this latest library compute monocular odometry ...
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Is there any tutorials for visual SLAM (beginners)?

Hello, I am new to ros as well as to robotics. I wish to learn some basic tutorials in Visual-SLAM. I tried RGBDSLAM from ros and it works. As I am not good in programming, I can't understand the ...
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Can't get color image with Camera1394

I can get nice grayscale image but not color image. Coriander only gives me mono format, but the camera is videre color camera. Even dynamic_reconfigure GUI can just be set to mono format. Any ideas? ...
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