Bone posture computing method, figure virtualization model driving method and storage medium

Abstract

The invention discloses a bone posture computing method, a figure virtualization model driving method and a storage medium. The bone posture computing method is the key step of the figure virtualization model driving method, and comprises a bone posture iterative computation process based on inverse kinematics; a reverse deduction thought is used for reversely computing the joint angle variation of a middle joint of a human bone chain, so that after each iteration, each joint angle is close to the best value, the smooth gradient effect is effectively ensured when a body movement is simulated,and the application requirement of realistically simulating the body movement is met. In addition, multiple judgment mechanisms are used during an iterative computation process, the variation of eachjoint angle and the posture information variation of a limb can be updated to the next iterative computation in time, the judgment process is simplified and the effectiveness of iterative loop is ensured, improvement on the computing speed of the system is facilitated under the condition of ensuring correctness of a computing result, and the instantaneity of the body movement capturing process canbe enhanced.

Description

technical field [0001] The invention relates to a motion capture technology, in particular to a calculation method for a skeleton posture, a driving method for a virtual character model and a storage medium. Background technique [0002] Motion capture technology (Mocap, referred to as Mocap) refers to setting a tracker on the key part of a moving object, and the motion capture system captures the position of the tracker, and then obtains the data of three-dimensional space coordinates after computer processing. When the three-dimensional space coordinate data is recognized by the computer, it can be applied in animation production, gait analysis, biomechanics, ergonomics and other fields. Especially in the field of movie special effects, the real-life images captured by multiple cameras are replaced with digital models to capture and record the actions of the actors during performances, and then synchronize these actions to the virtual characters in the computer, so that th...

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Problems solved by technology

In the prior art, the above-mentioned iterative method generally has the following problems: the iterative calculation process is complicated, on the one hand, many iterations are needed to obtain the final result, and it is easy to be unable to solve the problem; on the other hand, the calculation speed is slow, and further Improving the real-time performance of the motion capture process

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