In this chapter, we will cover the following recipes:
- Obtaining an object mask using the GrabCut algorithm
- Finding edges using the Canny algorithm
- Detecting lines and circles using the Hough transform
- Finding objects via template matching
- The real-time median-flow object tracker
- Tracking objects using different algorithms via the tracking API
- Computing the dense optical flow between two frames
- Detecting chessboard and circle grid patterns
- A simple pedestrian detector using the SVM model
- Optical character recognition using different machine learning models
- Detecting faces using Haar/LBP cascades
- Detecting AruCo patterns for AR applications
- Detecting text in natural scenes
- The QR code detector and recognizer ...
