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Hi all, I am not familiar with Calib3d.calibrateCamera(). Is it possible to calibrate the camera without the use of a checkered chessboard pattern? If so, how would the objectPoints and imagePoints be defined?

Looking at the description for ObjectPoints on https://docs.opencv.org/3.2.0/d9/d0c/group__calib3d.html, can I feed the detected features of a 2D image as my ObjectPoint and assign the Z-axis to 0? Then feed the detected features of another image taken in the same scene as the imagePoints?

Hi all, I am not familiar with Calib3d.calibrateCamera(). Is it possible to calibrate the camera without the use of a checkered chessboard pattern? If so, how would the objectPoints and imagePoints be defined?

Looking at the description for ObjectPoints on https://docs.opencv.org/3.2.0/d9/d0c/group__calib3d.html, can I feed the detected features of a 2D image as my ObjectPoint and assign the Z-axis to 0? Then feed the detected features of another image taken in the same scene as the imagePoints?

Hi all, I am not familiar with Calib3d.calibrateCamera(). Calib3d.calibrateCamera(): https://docs.opencv.org/3.2.0/d9/d0c/group__calib3d.html

Is it possible to calibrate the camera without the use of a checkered chessboard pattern? If so, how would the objectPoints and imagePoints be defined?

Looking at If I have two 2D images taken in the description for ObjectPoints on https://docs.opencv.org/3.2.0/d9/d0c/group__calib3d.html, same scene where only x and y were moved, can I feed simply assign the detected features of a the first 2D image as my ObjectPoint and assign the let its Z-axis to equal 0? Then feed assign the detected features of another the second 2D image taken as the imagePoints in the same scene as the imagePoints?function?