Caution! At the moment, there is no Obsidian API for working with the graph. So I did a bit of reverse engineering and found this method. Since this is not part of the public API, I have no confidence ...
Abstract: Infrared small target (IST) detection involves identifying objects that occupy fewer than 81 pixels in a 256 × 256 image. Because the target is small and lacks texture, structure, and shape ...