September 25, 2022

This 360° amphibious camera takes its optical design from the eyes of fiddler crabs

A group of researchers at the Institute for Basic Science (IBS), Massachusetts Institute of Technology (MIT), the Gwangju Institute of Science and Technology (GIST), the Seoul National University and The University of Texas at Austin, though, have established a system based on among natures designs. Theyve taken motivation from the fiddler crab to develop a 360 ° electronic camera system that works both in and out of the water.

This 360° Amphibious Camera Takes Its Optical Design From The Eyes Of Fiddler Crabs

Its focal point modifications when you dip the lens into the water if you utilize a standard lens with curvature for imaging. On the other hand, if you use a lens with a flat surface, you can see a clear image no matter ambient conditions. The fiddler crab living in the intertidal region has this kind of flat surface area of its lens and we just imitated this crab-eye-lens.
— Young Min Song

This 360° Amphibious Camera Takes Its Optical Design From The Eyes Of Fiddler Crabs

This is why consumer 360 ° video cameras like the Insta360 ONE X2 need the dive case when shooting underwater– despite the depth. Its not that the electronic camera isnt water resistant (it is, to a depth of 10 metres), but the index of refraction difference suggests that the lenses (which were created to shoot 360 ° in air) see things slightly differently and the normal stitching approach does not work. The dive case tries to rectify this, enabling the software to see and sew the footage as it should.

This 360° Amphibious Camera Takes Its Optical Design From The Eyes Of Fiddler Crabs

One of the huge issues you experience when moving a camera from dry land to under the water is the difference in the index of refraction (IOR). When youre looking at them from the waters edge, thats the thing that often makes rivers and lakes appear much shallower than they actually are. For 360 ° cams, this distinction in IOR can be a huge issue when it concerns moving from the air to underwater.

This 360° Amphibious Camera Takes Its Optical Design From The Eyes Of Fiddler Crabs

Researcher Young Min Song talked to TechXplore about the system and how it came to be.

This 360° Amphibious Camera Takes Its Optical Design From The Eyes Of Fiddler Crabs

Previous works, including our groups research study, on wide field of view (FoV) cameras were constantly at fewer than 180-degrees, which is insufficient for the full scenic vision, and they were not suitable for changing external environments. We desired to develop a 360-degree FoV camera that can image both in air and water.
— Young Min Song

This 360° Amphibious Camera Takes Its Optical Design From The Eyes Of Fiddler Crabs

Details of the brand-new cam system were released last month in Nature Electronics and its designed to give robotics a 360-degree breathtaking view of their environments, regardless of whether theyre in the water or out in the air. This lets them more easily see their surroundings to detect challenges and browse more quickly. The need for such a cam is quite obvious, but the IOR differences between air and water make it tough to flawlessly move between the two.

It is believed to be the very first time that such an amphibious 360 ° video camera system has ever been demonstrated and could potentially pave the way for brand-new 360 ° technologies for use with augmented reality and even self-governing lorries. The group states that they plan to “conduct further crafting to accomplish higher resolution and remarkable imaging performance”.

The video camera designed by the team is much more advanced than the basic double lens and sensor setups of the majority of customer 360 ° cams. This one consists of a whole range of flat microlenses with really detailed styles to simulate the 3D omnidirectional view of the fiddler crab, which has progressed to be able to view as well on land as it can in the water in every instructions simultaneously to supply it with some distinct benefits attempting to make it through in the wild.

[TechXplore through PetaPixel]

If you use a standard lens with curvature for imaging, its focal point modifications when you dip the lens into the water.

One of the big problems you come across when moving an electronic camera from dry land to under the water is the difference in the index of refraction (IOR). Information of the brand-new video camera system were released last month in Nature Electronics and its designed to offer robots a 360-degree scenic view of their environments, regardless of whether theyre in the water or out in the air. The need for such a cam is quite obvious, but the IOR distinctions in between air and water make it hard to flawlessly move in between the 2.