Here are some examples of variations on the triangulation theme. Flipping the geometry of the problem upside down or backwards leaves the problem essentially unchanged. Likewise labelling the lines ...

These methods, based on the triangulation principle ... In industrial inspection and intelligent assembly, for example, measurements often involve various reflective surfaces.

The name Operation Triangulation was picked, based off part of the device fingerprinting code that rendered a yellow triangle on an HTML canvas. The entire talk is available, given this week at ...