Corner detection

• CVAA (Computer Vision: Algorithms and Applications, by R. Szeliski, Springer, 2011) Section 4.1.1
• CMV (Computer and Machine Vision: Theory, Algorithms, Practicalities, 4^th, E.R. Davis, Academic Press, 2012) Chapter 6
• 角偵測，維基百科
• Harris Corner Detector, Wikipedia.
• 如何判斷一個corner detector 的好壞？

Mathematics of Harris corner detection

• Sum of squared differences (SSD) 差方和
  • Motion estimation for video compression
  • Keywords for Google search: SSD, sum of squared difference, motion estimation, block matching ...
• Taylor series / Taylor expansion 泰勒級數/泰勒展開式
  • 維基百科
• Quadratic form 二次型
  • 二次型的意义是什么？有什么应用？
  • 線代啟示錄：二次型與正定矩陣，圓錐曲線

Implementation

• OpenCV 3.4.x tutorial on harris corner detector
• OpenCV 3.0.x tutorial on harris corner detector