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Figure 6
The FAST key-point detection mechanism. (a) A pixel p is compared with 16 neighbouring pixels in a circle formulation. If more than 8 pixels are darker or brighter than p than it is selected as a key point.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 57| Part 2| April 2024| Pages 413-430
https://doi.org/10.1107/S160057672400147X
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