362 search results - page 30 / 73 » The Appearance of Brightness and Lightness |
DAS
2008
Springer
13 years 11 months ago
2008
Springer
The use of gradients in text images is nowadays quite frequent. Existing segmentation methods encounter serious problems when it comes to modern text images where gradients might ...
ICPR
2006
IEEE
14 years 11 months ago
2006
IEEE
Varying illumination and partial occlusion are two main difficulties in visual tracking. Existing methods based on appearance information cannot solve these problems effectively s...
VISUALIZATION
2000
IEEE
14 years 2 months ago
2000
IEEE
This paper describes a novel rendering technique for special relativistic visualization. It is an image-based method which allows to render high speed flights through real-world ...
SIGGRAPH
1994
ACM
14 years 1 months ago
1994
ACM
The irradiance at a point on a surface due to a polyhedral source of uniform brightness is given by a well-known analytic formula. In this paper we derive the corresponding analyt...
IVC
2007
13 years 9 months ago
2007
The suitability of polar representation for quantitative image processing tasks is investigated. The classical colour polar-based representations (HLS, HSV, etc.) lead to brightne...