Detect keypoints using Harris corner detector, and find centers of associated regions

Source: R/harris.R

Runs the harris_corners function, then selects as keypoints the center of connected regions with Harris over a certain threshod.

harris_keypoints(im, thr = "99%", sigma = 3, bord = 30)

Arguments

im

image
thr

threshold, as passed to imager::threshold
sigma

blur used for corner detection
bord

border region

Value

a list, with an image labeled by region and a data frame of the region's centers.

Details

Source: https://www.kaggle.com/vicensgaitan/image-registration-the-r-way/notebook