3D touch technology can be used for telemedicine in the future

Release date: 2010-09-02

It’s really ridiculous to hear a friend’s virtual birthday party or a new product for a remote consumer. However, according to a recent report by the Physicist Organization Network, a study called Immersence is turning this vision into reality with the support of the EU's Sixth Framework Programme Future and Emerging Technologies (FET) forward-looking project. .
This technology successfully integrates the perception of the real world and the impression in the virtual world. In addition, the therapist can use it for teletherapy after training, and the industrial designer can remotely transmit the touchable digital solid model on the Internet.
The more we feel like being simulated, the deeper we are immersed in virtual reality. Andres Sweenberg of the Technical University of Munich in Germany said that more perceptions will bring more interaction, and the stronger the immersive feeling, the more “immersed” in virtual reality. Mounting a touch arm for a three-dimensional scene In recent years, audio-visual simulations have become more realistic, and the field of touch has been dragging its feet. Scientists at the Computer Physics Laboratory at the Federal Institute of Technology (ETH) in Zurich, Switzerland, accepted a sub-project of "Immersion" that combines vision and touch to deal with the interaction between humans and virtual targets, enabling remote touch objects.
Matthias Harder and the rest of the lab first created a virtual copy of the real object that could be touched and even transmitted over the Internet.
They used a soft toy frog to record its 3D scanned image while sensing it with a tactile device, the sensing arm, and connected the visual and tactile impressions. The sensing arm is equipped with pressure, velocity and sliding sensing elements that can be moved in any direction to collect information such as shape and robustness. After measurement and calculation, a virtual frog is created in the computer. To enhance the real feeling, they also designed a real environment for the virtual frog to "crawl" on the table in front of the user.
Virtual frogs can also copy copies and pass them on to others through the Internet. In order to allow others to see and feel the frog, the researchers designed a data eyepiece with a monitor and a sensor with a small motor for the virtual object. When the virtual frog and the sensor touch, the signal is sent, and the computer program calculates the obstacle resistance when the object is touched, which hinders the user's movement, making him feel as if he has touched the frog. In fact, he is just touching. air.
Early simulations of virtual targets depended heavily on the researchers' assumptions, while tools developed by ETH were based more on measurement data. Harder explained that this method can be seen as an extension of camera technology and has advantages for complex objects that are difficult to describe with models. "Immersion" virtual dance with Avatar Germany's Technical University of Munich is also the research institute of the "Immersion" project. Under the leadership of Andres Sweenberg, nine universities and research institutes jointly develop VR (Virtual Reality) goals. And feature haptic technology. They developed a tactile and multi-model interface that uses signal processing techniques and real-time generation of virtual objects into real-world targets that allow people to dance with virtual partners.
The researchers used a mobile robot platform to enter a program that recorded stress, balance, and live-action dances. Then, by adding two arms to a real person as a dance partner, wearing a virtual eyepiece, the person could see a heterosexual dancer. Lift the robot's arm and dance with her. In a virtual environment, the robot is operated by a computer as another person's "Avatar" (avatar).
These studies also help develop cognitive robots that interact better with humans. In reality, haptic technology makes true and false interactions. Now we may touch a virtual object, but we can't catch it. To have the feeling of "grabbing", you need a special feeling glove. When you wear this kind of glove, the user can touch both real objects and virtual objects. ETH is developing the glove, and Harder believes that the glove will be widely used like the Internet in the next 20 years.
The University of Elef in France is also studying how to equip two people with sensors that allow them to jointly carry a heavy box in the virtual. Sweenberg said that in reality, this is a cooperative process, but in the robot interface must design a set of procedures, not one is dominated by one and the other is as simple as following.
The Swiss ETH Computer Vision Research Laboratory has developed a table tennis game. In reality, there is only a racket joystick, and two players can hit each other with virtual table tennis. Their next project, called "Beam", is going to develop a long-distance transmission method to transmit virtual people. Harder said that this will make it possible for people to participate in teleconferences without having to be present in person, helping to save time and travel expenses. This is more thorough than the current video conference, and it feels like sitting with other participants and interacting with other participants.

Source: Technology Daily

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