Corner Detection

• Harris’ method

  • https://nodamushi.hatenablog.com/entry/20131206/1386355795

  • http://labs.eecs.tottori-u.ac.jp/sd/Member/oyamada/OpenCV/html/py_tutorials/py_feature2d/py_features_harris/py_features_harris.html

  • https://qiita.com/icoxfog417/items/adbbf445d357c924b8fc

    • This one is easy to understand.

  • Idea: When moving the region up, down, left, and right,

    • If there is a large change in all directions, it’s a corner.
    • If there is a large change in only one direction, it’s an edge.

  • 

• FAST

  • Uses Decision Trees
  • ID3 algorithm
  • 

• Techniques for finding feature points

  • SIFT, SURF, etc. are paid.
  • In practice, there are other faster ones that are more commonly used.

#image Processing#digital Image Processing