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.

OpenCV 2.3 camera calibration

I'm trying to use OpenCV 2.3 python bindings to calibrate a camera. I've used the data below in matlab and the …

matlab opencv computer-vision vision camera-calibration
Calibrate camera with opencv, how does it work and how do i have to move my chessboard

I'm using openCV the calibrateCamera function to calibrate my camera. I started from the tutorial implementation, but there seems something …

opencv camera-calibration
Meaning of the retval return value in cv2.CalibrateCamera

as the title says, my question is about a return value given by the calibrateCamera function from OpenCv. http://docs.…

python opencv camera-calibration
Essential Matrix from Fundamental Matrix in OpenCV

I've already computed the Fundamental Matrix of a stereo pair through corresponding points, found using SURF. According to Hartley and …

opencv computer-vision camera-calibration 3d-reconstruction
What are the main references to the fish-eye camera model in OpenCV3.0.0dev?

I am wrestling with the Fish-Eye Camera Model used in OpenCV 3.0.0.dev. I have read the documentation in this link …

c++ opencv camera-calibration opencv3.0 fisheye
How I make color calibration in opencv using a colorchecker?

I have a image of the colorchecker get by a digital camera, how i use this to calibrate the images …

python opencv camera-calibration
Wide angle lenses calibration with Opencv

I'm using a wide-angle lens (178º Diagonal FOV ) and I'm trying to calibrate it properly using Opencv Calibration module. All the …

opencv camera computer-vision camera-calibration calibration
Find distorted rectangle in image (OpenCV)

I am looking for the right set of algorithms to solve this image processing problem: I have a distorted binary …

image-processing opencv camera-calibration
OpenCV findChessboardCorners function is failing in a (apparently) simple scenario

I'm trying to find the corners of a chessboard using OpenCV. The image I'm using contains two chessboards, but I'm …

python opencv computer-vision camera-calibration
OpenCV: get perspective matrix from translation & rotation

I'm trying to verify my camera calibration, so I'd like to rectify the calibration images. I expect that this will …

opencv camera-calibration