now with the new method, do the opencv examples again

[ShootingStarDragon]

• [x] background subtraction

• [x] https://docs.opencv.org/3.4/d1/dc5/tutorial_background_subtraction.html

• [x] sepia filter

• [x] https://medium.com/dataseries/designing-image-filters-using-opencv-like-abode-photoshop-express-part-2-4479f99fb35

• [x] https://amin-ahmadi.com/2016/03/24/sepia-filter-opencv/

• [x] use this tutorial to properly load haar cascades: https://stackoverflow.com/questions/70805922/why-does-the-haarcascades-does-not-work-on-opencv

• [x] face detection with haar cascades

• [x] https://docs.opencv.org/3.4/db/d28/tutorial_cascade_classifier.html

• [x] canny edge detection

• [x] https://docs.opencv.org/4.x/da/d5c/tutorial_canny_detector.html

[ShootingStarDragon]

from #25

• [x] background subtraction

• [x] https://docs.opencv.org/3.4/d1/dc5/tutorial_background_subtraction.html

• [x] sepia filter

• [x] https://medium.com/dataseries/designing-image-filters-using-opencv-like-abode-photoshop-express-part-2-4479f99fb35

• [x] https://amin-ahmadi.com/2016/03/24/sepia-filter-opencv/

• [x] use this tutorial to properly load haar cascades: https://stackoverflow.com/questions/70805922/why-does-the-haarcascades-does-not-work-on-opencv

• [x] face detection with haar cascades

• [x] https://docs.opencv.org/3.4/db/d28/tutorial_cascade_classifier.html

• [x] canny edge detection

• [x] https://docs.opencv.org/4.x/da/d5c/tutorial_canny_detector.html-

• [x] mediapipe

• [x] https://www.youtube.com/watch?v=We1uB79Ci-w

• [x] https://www.youtube.com/watch?v=01sAkU_NvOY

• [x] another tutorial: https://www.youtube.com/watch?v=riuU9uH7av8

[ShootingStarDragon]

• [x] make note that haarcascades has a cheat: the frame is resized