For more information, you can refer to the following links:

• Automate the Boring Stuff with Python: Practical Programming for Total Beginners, Al Sweigart, No Starch Press, 2015
• Learning Image Processing with OpenCV, Garcia, Gloria Bueno, et al, Packt Publishing Ltd, 2015
• A Computational Introduction to Digital Image Processing, Alasdair McAndrew, Chapman and Hall/CRC, 2015
• Howse, J., P. Joshi, and M. Beyeler. OpenCV: Computer Vision Projects with Python. Packt Publishing Ltd, 2016