Siggraph 2022 | truly restore the hand muscles. This time, the digital human hands have bones, muscles and skin

With the proposal of the concept of meta universe , The continuous development of virtual digital human and other emerging technologies , People realize digital twinning by restoring different parts of the human body and combining them in the virtual world . How to make digital people have a pair of dexterous hands has become a big problem . In the real world , Our hands have bones 、 muscle 、 Tendon and other anatomical structures . However, the traditional hand model only focuses on the outer surface skin modeling , The skeleton structure is also composed of simple joint points . Such modeling methods can not reproduce realistic virtual hands .

In response to this question , A virtual hand modeling solution ——NIMBLE The model is proposed from the perspective of anatomy ,NIMBLE The development team has established a new parameterized hand model , Model contains bones 、 muscle 、 Skin and outer surface mapping , Have finer skin texture , Can easily complete a variety of gestures , Truly restore the muscle state of the hand .

NIMBLE The model is the product of interdisciplinary integration , Use MRI Technical data collection , As one of the participating units, Shanghai University of science and Technology MARS The high-precision scanning system developed by shadow eye technology, a digital human underlying technology company incubated in the laboratory, provides more detailed mapping and texture for the hand model , It is this multifaceted collaborative innovation that enables today's NIMBLE The model truly realizes the perfect simulation of the human hand .

Project home page ： https://reyuwei.github.io/proj/nimble