What is Dynamic structured light?

Dynamic structured light is when we use light to measure shapes and movements, like a super-smart flashlight that can tell what something looks like and how it moves.

Imagine you're playing with a toy train on a track. If the train just goes straight, it's easy to follow. But if the train starts twisting and turning, it's harder to know where it is without looking closely. That’s kind of like dynamic structured light, it helps us see how things move in 3D space, like a robot or even your face when you're making funny expressions.

Think of it like sending out little light patterns that bounce off an object and come back to a camera. These patterns change based on the shape and movement of the object, just like how shadows change when you move around a lamp in your room.

The camera reads these changes, and with some clever math, it can figure out exactly where everything is and how it’s moving. This helps computers understand 3D shapes and movements, which is useful for things like video games or robots learning to grab objects.