Technique to find corresponding objects across stereo views
Hi all, Thanks for taking your time to read this. We have fixed stereo pairs of cameras looking into a closed volume. We know the dimensions of the volume and have the intrinsic and extrinsic...
View ArticleOpenCV Noisy Disparity Map from Stereo Setup
I am trying to create a disparity map for depth calculations with my stereo camera setup. I have both cameras setup on tripods (relative same position with baseline of about 220mm). I have calibrated...
View ArticleStereo Camera Calibration - World Origin
Hello, I have some questions about stereo calibration and I also wanted to verify that my understanding so far is correct. I am working on a project where I want to get 3D coordinates from a stereo...
View ArticleAdvice on calibration and triangulation for large scale
Hi, so I am looking at tracking and triangulating the position of a flying target (large portions of the camera view is the sky!) that is a couple of kilometres away. This means that the camera pair...
View ArticleStereo Rectification produces rectified images of only the top left quarter...
I took a series of photos with 2 cameras placed side by side in order to perform stereo calibration. I ran the photos through the steps of stereo calibration, got the camera parameters through...
View Articlecv::stereoCalibrate high RMS, roll and pitch of subordinate camera not quite...
Hi all, I am working on getting a stereo calibration process running in our app, and whilst it roughly works using cv::stereoCalibrate() the results with higher calibration pair count are off due to...
View ArticleSystemError: new style getargs format but argument is not a tuple
I'm trying to use my own calibration values for stereo calibration, but I keep getting this not a tuple error and I'm not sure how to solve it. I get that the input values are np arrays' and not...
View ArticleROI with stereo calibration
My task is to calibrate stereo camera system in the full resolution and then use a ROI of the image sensor for the rectification and stereo matching. The stereo camera system is very slow in full...
View ArticleProcedure for getting 3D coordinates from Stereo?
This question has been asked in different ways many times, many people approach this problem in different ways. Which is why I am unsure of my methodology, it would be good if someone could tell me if...
View ArticleStereo Camera fisheye rectification problem
Hello everyone, I am trying to rectify the camera feed of a stereo camera from the fisheye distortion in order to calculate an accurate disparity map. I have successfully rectified the left image (code...
View ArticleStereo Calibration for CharUco Boards?
Are there any examples for calibrating two cameras simultaneously with CharUco Boards? I can do the single camera via these nice examples:...
View ArticleArUco Stereo Camera Calibration Python
I want to calibrate stereo camera with ArUco or ChArUco. I use Python. I couldn't find the sample code. Would you mind helping me ? Thanks.
View ArticleCalculating depth with Ptr, black bar on image
I have a calibrated fisheye stereo pair that I am using to create a depth map. I send these rectified images:  ) then tried using stereo_calib on my camera, but the results are...
View ArticleReprojectImageTo3D OBJ file
Hi All, I try build a 3D model from stereo Image. Left:  Right:  After Calibration,...
View ArticleHow to find objectPoints for stereo calibration
I’m trying to make a stereo calibration of 2 cameras and have a problem with finding objectPoints (first parameter in `stereoCalibrate` function). As far as I understand usually it’s values obtained...
View Articletest transform between two cameras with projectPoints?
I have a stereo calibrated camera pair, so i have known intrinsic and extrinsics. I have a chessboard visible in both cameras. What i want to do is: Find the chessboard in both frames. Run SolvePnP...
View Articlegetoptimalnewcameramatrix function for omndirectional camera?
I am working on stereo rectification of wide FOV fisheye lens. I want to do stereo rectification in latitude and longitude space so stretching at the edges can be avoided. Hence I am using opencv...
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