TH-camera-calibration 0.4.10

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Camera Calibration

Created on Sunday, April 21, 2024
Author: Tung Nguyen - Handsome
Reference: Camera Calibration by OpenCV (OpenCV Tutorial)

Overview

This Python script provides a class, CameraCalibration, to perform camera calibration based on a set of image points and their corresponding object points / undistort image or frame from camera

Description

This script includes functionalities to:

• Calculate camera calibration data based on a set of images.
• Save and load the camera calibration data.
• Undistort images or points using the calibration data.

Usage

Using this command to install the packages (or clone this repository):

pip install TH-camera-calibration

Requirements

• Python 3.x
• OpenCV
• Numpy
• PyYAML (For working with YAML files) To set up the environment, install all the required libraries by using this command:

pip install -r requirements.txt

How to Use

1. Import the CameraCalibration class from camera_calibration.py.

   from camera_calibration import CameraCalibration
   

2. Create an instance of CameraCalibration.

   camera_calibrator = CameraCalibration()
   

3. Calculate calibration data using a set of images with known chessboard pattern.

   camera_calibrator.calculate_calibration_data(
       run=True,
       chessboardSize=(9, 6),
       size_of_chessboard_squares_mm=25,
       framesize=(1280, 720),
       calibrationDir=None, #path of calibration dir
       savepath="",
       saveformat="pkl",
       show_process_img=True,
       show_calibration_data=True,
   )
   

4. Read calibration data. (run when have calib data already and do not want to calculate calib data from scratch)

   calibrator.read_calibration_data(r"calibration.pkl", "pkl", True)
   

5. Undistort an image. (If not calculate calib data from scratch, require to read calib data first)

   undistorted_image = camera_calibrator.undistortion_img(
       img,
       method="default",
       img_size=(1280, 720),
       verbose=False
   )
   

   or

   undistorted_image = camera_calibrator.undistortion_img(
       img,
       method="Remapping",
       img_size=(1280, 720),
       verbose=False
   )
   

Results

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