Imaginative Rendering   Chair: Curtis Edwards , Disney Feature Animation   Volumetric Modeling of Artistic Techniques in Colored Pencil Drawing   This sketch described an improved volumetric model for colored-pencil drawing. The emphasis was on newly incorporated sub-models devoted to production of watering and eraser effects.   Saeko Takagi Tokyo Institute of Technology c/o Nakajima Laboratory (CS) 2-12-1 O-okayama Meguro-ku Tokyo 152-8552 JAPAN sae@cs.titech.ac.jp   Image Moment-Based Stroke Placement   An image moment-based algorithm to determine the attributes of a brush stroke for painterly rendering.   Michio Shiraishi Yamaguchi Yasushi Lab., Dept. of Graphics and Computer Sciences University of Tokyo 3-8-1, Komaba, Meguro-ku Tokyo 153-8902 JAPAN shira@graco.c.u-tokyo.ac.jp   Real-Time Principal Direction Line Drawings of Arbitrary 3D Surfaces   Creating interactive line drawings of arbitrary 3D surfaces using shaded strokes that follow the principal directions.   Ahna Girshick University of Minnesota Department of Computer Science 200 Union Street SE, Room 4-192 Minneapolis, Minnesota 55455 USA girshick@cs.umn.edu   3D Physical-Based Brush Model for Painting   A novel 3D, physically based brush model that allows users to paint various strokes intuitively and directly on a computer with a pen-type input device.   Suguru Saito Tokyo Institute of Technology 2-12-1 O-okayama Meguro-ku Tokyo 152-8552 JAPAN suguru@cs.titech.ac.jp