There are 1 repository under intrinsic-calibration topic.
相机内参标定和双目标定, 支持多种相机模型和多种标定板,
Single and multiple view camera calibration tool
Camera calibration from scratch
Examples of camera calibration, camera parameters visualization
camera intrinsic calibration from (almost) scratch for better understanding of intrinsic calibration mechanism
Camera intrinsic and extrinsic calibration tools