SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
Sketching communicates ideas rapidly through approximate visual images with low overhead (pencil and paper), no need for precision or specialized knowledge, and ease of low-level ...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
Solid texturing is a powerful way to add detail to the surface of rendered objects. Perlin's "noise" is a 3D basis function used in some of the most dramatic and us...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
This paper presents new algorithms and techniques for rendering parametric free-form surfaces in pen and ink. In particular, we introduce the idea of "controlled-density hatc...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
Accurate control of streamline density is key to producing several effective forms of visualization of 2-dimensional vector fields. We introduce a technique that uses an energy fu...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
A classical problem of imaging--the matting problem--is separation of a non-rectangular foreground image from a (usually) rectangular background image--for example, in a film fram...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
We present a new method that utilizes path coherence to accelerate walkthroughs of geometrically complex static scenes. As a preprocessing step, our method constructs a BSP-tree t...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
Image morphing techniques can generate compelling 2D transitions between images. However, differences in object pose or viewpoint often cause unnatural distortions in image morphs...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
We present a real-time stereoscopic video-see-through augmented reality (AR) system applied to the medical procedure known as ultrasound-guided needle biopsy of the breast. The AR...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
Accurate registration between real and virtual objects is crucial for augmented reality applications. Existing tracking methods are individually inadequate: magnetic trackers are ...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
This paper describes a representation for pen-and-ink illustrations that allows the creation of high-fidelity illustrations at any scale or resolution. We represent a pen-and-ink ...