617 search results - page 47 / 124 » Raster Map Image Analysis |
134
click to vote
CCA
2005
Springer
15 years 11 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 ...
173
click to vote
RT
2004
Springer
15 years 11 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...
141
click to vote
SMI
2003
IEEE
15 years 11 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...
199
click to vote
SMI
2006
IEEE
15 years 12 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...
159
click to vote
SIGGRAPH
1994
ACM
15 years 10 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...