KUCGJong-In Choi1 Character Animation 동향 분석 Motion Transition 에 대한 관심 증가 – 정확한 transition 생성 물리기반 방법 –Dynamic Response for Motion Capture Animation –Learning Physics-Based Motion Style With Nonlinear Inverse Optimization 통계기반 방법 –Geostatistical Motion Interpolation –Efficient Content-Based Retrieval of Motion Capture Data –A Data-Driven Approach to Quantifying Natural Human Motion – 원하는 transition 추출 Action Synopsis: Pose Selection and Illustration – 다양한 transition 생성 Style Translation for Human Motion

KUCGJong-In Choi2 Style Translation for Human Motion Eugene Hsu 1, Kari Pulli 1,2 and Jovan Popovic 2 1 Massachusetts Institute of Technology, 2 Nokia Research Center SIGGRAPH 2005

KUCGJong-In Choi3 WHAT Motion 이 가진 content( 내용 ) 를 보존하면서 새로운 style 로 변환 Our style translation system transforms a normal walk (TOP) into a sneaky crouch (MIDDLE) and a sideways shuffle (BOTTOM). Our style translation system transforms a normal walk (TOP) into a sneaky crouch (MIDDLE) and a sideways shuffle (BOTTOM).

KUCGJong-In Choi4 WHY 빠른 처리가 요구되는 interactive application 이 필요함

KUCGJong-In Choi5 HOW Correspondence –IMW (Iterative Motion Warping) Style Translation –LTI (Linear Time Invariant) Overview of style translation system

KUCGJong-In Choi6 Results A weak punch (TOP) is translated into a more aggressive one (BOTTOM). Notice the differences in posture and speed. A weak punch (TOP) is translated into a more aggressive one (BOTTOM). Notice the differences in posture and speed.

KUCGJong-In Choi7 Action Synopsis: Pose Selection and Illustration Jackie Assa, Yaron Caspi, Daniel Cohen-Or School of Computer Science Tel Aviv University SIGGRAPH 2005

KUCGJong-In Choi8 WHAT Still image 에서 motion 을 표현하기 위한 action synopsis 를 생성 Action synopsis analyzes the motion-curve embedded in a low dimensional space (a); super-positioning of carefully selected poses (b) vs. uniform sampling (c).

KUCGJong-In Choi9 WHY Summary, abstraction, motion description 의 목적으로 still imagery 에서 motion 을 illustrating 하는 것이 중요함

KUCGJong-In Choi10 HOW (1/2) Extracting motion aspects –Joint position, angle, angle, angular velocity Dimensionality reduction –Affinity matrix Pose selection –Local extreme points along motion curve Synopsis illustration –Illustration by selected images

KUCGJong-In Choi11 HOW (2/2) Overview of action synopsis

KUCGJong-In Choi12 Results (1/2) Animation directory illustrated using thumbnails of animation sequences Thumbnails of a ballet and breakdance animation sequences

KUCGJong-In Choi13 Results (2/2) “A day before the deadline” Four selected frames from a pole vault sequence