320 search results - page 13 / 64 » Exponential shadow maps |
ECCV
2004
Springer
15 years 3 months ago
2004
Springer
—Cast shadows can be significant in many computer vision applications, such as lighting-insensitive recognition and surface reconstruction. Nevertheless, most algorithms neglect ...
CVPR
2010
IEEE
15 years 2 months ago
2010
IEEE
In this paper we derive formal constraints relating terrain elevation and observed cast shadows. We show how an optimisation framework can be used to refine surface estimates usin...
GLOBECOM
2007
IEEE
15 years 4 months ago
2007
IEEE
Abstract— For MIMO broadcast systems the effects of shadowing on the channel capacity and the fairness of the system in sharing the resources amongst multiple users are important...
ACII
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. Artists use words, lines, shapes, color, sound and their bodies to express emotions. Virtual humans use postures, gestures, face and voice to express emotions. Why are th...
PAMI
2006
14 years 9 months ago
2006
This paper is concerned with the derivation of a progression of shadow-free image representations. First, we show that adopting certain assumptions about lights and cameras leads t...