Spectre is an AI-powered long-exposure app for the iPhone

The team behind the popular Halide app has has launched its second app. Spectre uses computational imaging methods to simulate long-exposure photography on conventional cameras. You can use the app to make moving subjects disappear in busy areas, such as the cars on the bridge below, or you can create light painting and other effects through subject motion, just like when shooting with a DSLR that has been set to a long shutter speed. However, Spectre works in a different way, doing away with ma...