International Journal of Computer Graphics & Animation (IJCGA) - EBSCO, ERA indexed

DATA-DRIVEN SHOULDER INVERSE KINEMATICS

YoungBeom Kim¹ , Byung-Ha Park¹ , Kwang-Mo Jung¹ , and JungHyun Han^{2 1}Korea Electronics Technology Institute, Seoul, Korea ²Department of Computer Science and Engineering, Korea University, Seoul, Korea

ABSTRACT

This paper proposes a shoulder inverse kinematics (IK) technique. Shoulder complex is comprised of the sternum, clavicle, ribs, scapula, humerus, and four joints. The shoulder complex shows specific motion pattern, such as Scapulo humeral rhythm. As a result, if a motion of the shoulder isgenerated without the knowledge of kinesiology, it will be seen as un-natural. The proposed technique generates motion of the shoulder complex about the orientation of the upper arm by interpolating the measurement data. The shoulder IK method allows novice animators to generate natural shoulder motions easily. As a result, this technique improves the quality of character animation.

KEYWORDS

 Character Animation, Inverse Kinematics, Shoulder Complex, Real-time Graphics

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