Hyperspectral cameras can see things in the world that the human eyes can’t by capturing information from across the electromagnetic spectrum beyond visible light. This type of technology has all kinds of interesting applications — researchers are using the cameras to uncover secrets in old documents and paintings, for example.
The HyperCam is a new hyperspectral camera that aims to make the technology cheap enough to be casually used by the masses.
HyperCam captures a series of 17 images of a scene at various points in the electromagnetic spectrum. Special algorithms are then used to figure out which of the images yield interesting details that the photographer is interested in. Certain shots of a human hand will show veins, for example.
In produce, the camera could show which fruits or veggies are ripe and ready to eat.
Here’s a video demonstration showing how the HyperCam works and what it can do:
This isn’t the first time scientists have created a cheaper hyperspectral camera, though. In 2011, researchers showed off how they turned an ordinary Canon 5D into a hyperspectral camera using PVC pipes and other off-the-shelf parts.
Now that the HyperCam has a functional prototype, the researchers are working on ironing out the weaknesses of the system and figuring out how to shrink the technology for use on a cell phone.
Image credits: Photographs and video by the University of Washington