Top "Camera-calibration" questions

In Computer Vision, camera-calibration is the process of finding the true parameters of the camera that produced a given photograph or video.

How to understand the KITTI camera calibration files?

I am working on the KITTI dataset. I have downloaded the object dataset (left and right) and camera calibration matrices …

computer-vision camera-calibration kitti
Kinect intrinsic parameters from field of view

Microsoft state that the field of view angles for the Kinect are 43 degrees vertical and 57 horizontal (stated here) . Given these, …

math geometry kinect projection camera-calibration
How can I undistort an image in Matlab using the known camera parameters?

This is easy to do in OpenCV however I would like a native Matlab implementation that is fairly efficient and …

matlab computer-vision camera-calibration matlab-cvst
Camera calibration with OpenCV - findChessboardCorners returns false

I try to calibrate my camera. I run some example but all of them don't find corners of chess board. …

c++ opencv camera-calibration
FindChessboardCorners cannot detect chessboard on very large images by long focal length lens

I can use FindChessboardCorners functions for images that less than 15 Mega pixel such like 2k x 1.5k. however when I …

c++ opencv computer-vision camera-calibration
how to calculate field of view of the camera from camera intrinsic matrix?

I got camera intrinsic matrix and distortion parameters using camera calibration. The unit of the focal length is pixels, i …

opengl camera computer-vision camera-calibration
OpenCV fisheye calibration cuts too much of the resulting image

I am using OpenCV to calibrate images taken using cameras with fish-eye lenses. The functions I am using are: findChessboardCorners(...); …

c++ opencv computer-vision camera-calibration fisheye
image coordinate to world coordinate opencv

I calibrated my mono camera using opencv. Now I know the camera intrinsic matrix and distortion coefs [K1, K2, P1 ,…

opencv camera computer-vision projection camera-calibration
To calculate world coordinates from screen coordinates with OpenCV

I have calculated the intrinsic and extrinsic parameters of the camera with OpenCV. Now, I want to calculate world coordinates (…

opencv kinect camera-calibration calibration
Calibrating Webcam using Python and OpenCV Error

Pretty new to all this and I'm trying to do the calibration for a Webcam following this guide and using …

python opencv camera-calibration