Contents

5-1 : Binary image

• What is binarization? Using the threshold function
• 이진화란 무엇인가? threshold 함수 사용하기

OpenCV Lecture - 5. point processing (1/6) : What Binary Image? use threshold function

Source code

• http://study.marearts.com/2017/04/binarization-test-threshold-adaptive.html

💡 Binary image, threshold

5-2 : threshold function options

• Find out the options for the threshold function
• threshold 함수의 옵션 알아보기

OpenCV Lecture - 5. point processing (2/6) : threshold function options

Source code

• threshold, adaptive threshold, otzu: http://study.marearts.com/2017/04/binarization-test-threshold-adaptive.html

5-3 : AdaptiveThreshold

• How to use adaptiveThreshold
• adaptiveThreshold 알아보기

OpenCV Lecture - 5. point processing (3/6) : adaptiveThreshold

Source code

• http://study.marearts.com/2017/04/binarization-test-threshold-adaptive.html

💡 AdaptiveThreshold, ADAPTIVE_THRESH_MEAN_C, ADAPTIVE_THRESH_GAUSSIAN_C

5-4 : Otzu Binary

• Learn how Otzu binarizes find optimal threshold.
• 최적 임계값을 구하는 Otzu 이진화 방법 알아보기

OpenCV Lecture - 5. point processing (4/6) : otzu binary

Source code

• Otzu example code: http://study.marearts.com/2017/04/otzu-binary-simple-example.html

Reference

• Dark Programmer blog(다크 프로그래머): http://darkpgmr.tistory.com/115
• http://www.labbookpages.co.uk/software/imgProc/otsuThreshold.html
• http://mauver.kr/wp/archives/339
• http://study.marearts.com/2017/04/binarization-test-threshold-adaptive.html

💡 AdaptiveThreshold, Threshold, OTZU

5-5 : floodFill function

• Learn about floodFill functions, such as the Paintbrush Color Fill feature.
• 그림판 색채우기 기능같은 기능의 floodFill함수 알아보기

OpenCV Lecture - 5. point processing (5/6) : floodFill function

Source code

http://study.marearts.com/2017/04/floodfill-opencv-function-example.html

Reference

https://www.learnopencv.com/filling-holes-in-an-image-using-opencv-python-c/

💡 setMouseCallback, rectangle, srand, rand, rectangle, floodFill

5-6 : integral function

• Integral imaging with integral function and its application
• integral 함수로 적분 영상 만들기와 응용

OpenCV Lecture - 5. point processing (6/6) : integral function

Source code

http://study.marearts.com/2017/05/opencv-integral-function-example-code.html

Reference

http://docs.opencv.org/2.4/modules/imgproc/doc/miscellaneous_transformations.html#integral

💡 integral, at, sum

🙇🏻Thank you!

🎁 Source code, Material(pdf) and example images 👇
https://www.marearts.com/products/opencv-lecture-materials-1