[obtu]

Sensors could manage with some sort of interferometry to rebuild an image from multiple pixels across multiple sensors. The signal processing would be similar to what is used for medical scanners. We could also see a convergence with radar, combining those pixels and algorithms with an active source.

[gliese1337]

Only if they can record phase information and have some way of determining the overlap of their visual fields.

Recording sufficiently accurate phase information for visual wavelengths is really hard.