An implementation of the Harris Corner Detection as described in the paper "An Analysis and Implementation of the Harris Corner Detector" by Sánchez J. et al (2018) available at
The image.CornerDetectionHarris R package detects relevant points in images, namely:
library(magick)
library(image.CornerDetectionHarris)
path <- system.file(package = "image.CornerDetectionHarris", "extdata", "building.png")
img <- image_read(path)
pts <- image_harris(img)
pts
plt <- image_draw(img)
points(pts$x, pts$y, col = "red", pch = 20)
dev.off()
plt

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