Can a thermal camera see through clothes?
To be precise, the thermal picture you saw is just an image of heat distribution, you can’t see what’s the target looks like. If you see a person by using the thermal camera, you will see the result as the picture show. You can only see the rough outlines, not the outlines of human body parts. Therefore, the thermal camera can’t see through clothes.
- Read also, Can a smartwatch measures body temperature?

Can a thermal camera see through walls?
You may have seen the agent see through walls by using the thermal camera in some films, but we are so sad to tell you, that’s not the case at all. If you see the wall by using the thermal camera, you can see nothing, not to mention the other side of the wall. The thermal camera sensor can’t receive the heat reflection from the thick wall, if the wall doesn’t exist a significant temperature difference.
- See also, What Phones have a Thermal Camera?