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Questions tagged [stereo-vision]

stereo vision is the extraction of 3D information from digital images, such as obtained by a CCD camera.

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1answer
139 views

Discover vector/angle between stereo camera pose and vehicle body

I have a calibrated stereo camera system that is mounted in a passenger car which means I am able to retrieve a point cloud from my stereo image. However, I need to find how well is the camera aligned ...
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1answer
969 views

Selecting hardware: stereo camera for beginners [closed]

I'm looking for some cheap hardware that would offer me results decent enough to continue my experimentation. I've been looking into how to obtain hardware for learning about stereo vision and 3D ...
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1answer
430 views

Stereo vision in Matlab [closed]

I am working on a project about robot soccer vision. How I utilize two webcams as a stereo vision in matlab for robot soccer matters?
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4k views

Fast C++ library for stereo vision/disparity computation [closed]

I am looking for a library for disparity map / stereo vision computation. These are my requirements: C++ Multi-platform (Linux, Windows, OSX) (preferrable but not mandatory) not CUDA based Suited for ...
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3answers
9k views

Hand Eye Calibration

I'm trying to use a dual quaternion Hand Eye Calibration Algorithm Header and Implementation, and I'm getting values that are way off. I'm using a robot arm and an optical tracker, aka camera, plus a ...
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1answer
847 views

How to get the projection matrix from odometry/tf data?

I would like to compare my results of visual Odometry with the groundtruth provided by the KITTI dataset. For each frame in the groundthruth, i have a projection matrix. For example: ...
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1answer
149 views

Simple way of 3d perception

I wonder is there any simple (can be computed in microcontroller level) option which is suitable for 3d object perception (depth, position, pose or coordinate estimation) of flying robots except LIDAR,...
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3answers
852 views

algorithm Simple Stereo Vision

I'm working in a project implementing a vision system. I'm a student and this is the first time I'm doing something like this, it has been a challenge. I'm using a controller (Netduino+2, .Net ...
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2answers
440 views

How to set up binocular cameras on a car?

I am trying to set up my stereo vision system on a car. However, I meet several problems and do not know how to solve them. How to select the baseline? I want the distance measurement to be far at 30 ...
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1answer
3k views

Monocular vs. stereo computer vision robustness for object detection

Are there some genaral rules for the robustness between monocular and stereo vision when considering object detection? I am especially interested in the automotive field - considering distance/...
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4answers
341 views

How many methods can I use to acquire depth data?

I am a newbie in Robotics. As far as I know, there're generally two ways to acquire depth information of a scene. One is the stereo vision method which applies two cameras. The other is the RGBD ...
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3answers
11k views

Stereo camera Vs Kinect

Any one can advice me on the ideal perception sensors for pick and place application using a robotic manipulator with ROS support. I have generally looked at things like Kinect and stereo cameras (...
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2answers
1k views

Interfacing high-resolution image sensors with ARM Board [closed]

I'm working on a project requiring HD (Stereo) Video Processing. Most of High Resolution (5MP+) Sensors use MIPI-CSI interface. I managed to get a board with an Exynos5 SoC. The SoC Itself has 2 ...
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1answer
356 views

Stereo vision on a moving vehicle

When I put stereo camera on a moving platform and sync the cameras, what kind of delay between the cameras is tolerable? This would probably depend on the motion, but are there some guidelines? Are ...
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2answers
84 views

Detect road surface in a traffic scene point cloud

I want to analyze a traffic scene. My source data is a point cloud like this one (see images at the bottom of that post). I want to be able to detect objects that are on the road (cars, cyclists etc.)....
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4answers
1k views

Which micro-controler/processor to be used for autonomous stereo vision robot system?

I am very new two robotics, however I have a working stereo algorithm which I want to combine with a SLAM algorithm. I am developing this system for an other application but I decided integrating it ...
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1answer
373 views

Are stereo camera calibration data standardized?

Is there a standard format of how stereo calibration data (various matrices, usually saved in XML) are stored? Can I load calibration data generated say from a OpenCV script in C to another OpenCV ...
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1answer
178 views

Stereo camera baseline not needed for calibration?

I am doing stereo camera calibration as described in this blog post. I wonder I do not need to input camera baseline for the calibration. The fact probably goes back to some very basic mathematics of ...
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1answer
326 views

Maximum angle between the camera pose to correctly estimate homography

I want to capture two views of same scene. The scene consists of a set of objects kept on a table. From the two views, I wish to calculate homography for image matching. I want to know what is the ...
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1answer
910 views

How to obtain stereo correspondences and what exactly is a disparity map?

I am currently reading into the topic of stereo vision, using the book of Hartley&Zimmerman alongside some papers, as I am trying to develop an algorithm capable of creating elevation maps from ...
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4answers
12k views

How to select cameras for a stereo vision system?

I am in the process of building a stereo vision system to be used on a UGV. The system is for a robot that will be used in a competition wherein the robot is teleoperated to find relatively small ...