617 search results - page 47 / 124 » Raster Map Image Analysis |
CCA
2005
Springer
14 years 1 months ago
2005
Springer
A function f is continuous iff the pre-image f −1[V ] of any open setV is open again. Dual to this topological7 property, f is called open iff the image f [U] of any open set U ...
RT
2004
Springer
14 years 1 months ago
2004
Springer
In this paper, we present a new shadow mapping technique that improves upon the quality of perspective and uniform shadow maps. Our technique uses a perspective transform specifi...
SMI
2003
IEEE
14 years 1 months ago
2003
IEEE
This paper proposes a digital watermarking algorithm for 2D vector digital maps. The watermark is a robust, informed-detection watermark to be used to prevent such abuses as an in...
SMI
2006
IEEE
14 years 1 months ago
2006
IEEE
We present a generic framework for realtime rendering of 3D surfaces. We use the common elevation map primitive, by which a given surface is decomposed into a set of patches. Each...
SIGGRAPH
1994
ACM
13 years 12 months ago
1994
ACM
In this paper we discuss the efficient and accurate incorporation of texture maps into a hierarchical Galerkin radiosity algorithm. This extension of the standard algorithm allows...