The value of the Harris transformation is high only in well defined corners on the image.
harris_corners(im, sigma = 2, eps = 1e-10)
| im | image |
|---|---|
| sigma | sigma for gaussian blur function |
| eps | threshold (defaults to 1e-10) |
corner function value
Source: https://www.kaggle.com/vicensgaitan/image-registration-the-r-way/notebook