Take 40x40 square window around
detected feature
•Scale to 1/5
size (using prefiltering)
•Rotate to
horizontal
•Sample 8x8
square window centered at feature
•Intensity normalize
the window by subtracting the mean, dividing by the standard deviation in the window
CSE
576: Computer Vision
Multiscale
Oriented PatcheS descriptor
8 pixels
Adapted from
slide by Matthew Brown