imagine what it would be like if you had eyes on your hands.

actually, what we see in the picture is a new type of prosthetic limb. A camera that acts as an "eye" is installed on this fake hand.

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but why should one hand see? In fact, this is so that prosthetics can choose a better way to grasp objects. When it "sees" an object, it can analyze the intention by sensing the electrical signal from the user's arm and choose the appropriate grip mode among the four alternative actions of the system according to the size of the object.

this is a little small, two fingers should be enough:

is a little bigger than just now, um... Try it with three fingers?

the idea of adding a camera to a prosthetic limb may seem wild, but there is also a good reason. Before that, there are several prosthetics that can recognize bioelectric signals and allow users to control them independently, but they are not as cool to use as they seem-they are not easy to adapt and do not operate smoothly. This time, the team hopes to use cameras to help prosthetics "learn" how to operate and overcome these shortcomings.

in order to train the artificial hand with "eyes", Ghazal Ghazaei of the University of Newcastle in England and her colleagues trained it with pictures of many objects. Now the self-learning ability of the system is quite good, and its grasping accuracy is nearly 90% in actual combat.

this sounds good, but it is not satisfactory. After all, any mistake can cause problems (think about it, if you miss carrying a pot of boiling water. ).

"our goal is 100%." Ghazaei said so. In order to achieve perfect accuracy, the researchers tried different algorithms, and they planned to embed a lightweight camera in the artificial palm.

after overcoming the technical problems, can you happily use the bionic hand? It's not that simple. Dario Farina of Imperial College London believes that the key to the application of smart prosthetics is to coordinate user control and computer control. Like the braking assistance of a vehicle, the design is designed to provide convenience, not to completely replace the user in making decisions. Who would want to grow a hand that he can't control?

Source: https://www.newscientist.com/article/2129740-bionic-hand-that-can-see-for-itself-makes-things-easy-to-grasp/