Professor Liu Xiaofeng at Hehai University in eastern China's Jiangsu Province and his research team are developing a humanoid robot with a highly expressive face.
New research, published in the international journal IEEE Transactions on Robotics, aims to optimize emotional interaction technology between humans and robots.
Liu explains that in the first phase, their method generates images of robot facial expressions as directed by Action Units (AUs). In the next phase, they realize an emotional robot with a wide range of freedom of facial movements, allowing the robot to express detailed expressions.
People may be more familiar with “digital humans” and “virtual editors” that can create a variety of real-time expressions, according to Ni Rongrong, a researcher at Changzhou University and co-author of the study. However, humanoid robots face certain limitations, such as size and number of motors, which make this more difficult. “For example, the humanoid robot we used before only had nine micromotors under its face, which is much less than the number of muscles in a human face,” Ni said.
Therefore, the team divided the nine motors on the humanoid robot's face into 17 AUs to enable richer expressions and smoother transitions through coordinated movements. They plan to continue increasing the number of AUs on the face and equip the robot with sophisticated automatic expression capabilities.
Liu believes that as the emotional interaction capabilities of humanoid robots continue to advance, robots with both high emotional quotients and intelligence will be widely used in nursing homes, kindergartens, special education schools and other facilities. "Humanoid robots will not only assist or replace humans in completing some tasks, but also bring more emotional value," he said.
According to Intellectual Property and Innovation
Source: https://doanhnghiepvn.vn/cong-nghe/trung-quoc-phat-trien-robot-hinh-nguoi-co-bieu-cam-chan-thuc/20240809010732578
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