442 search results - page 64 / 89 » A fast and adaptive method for image contrast enhancement |
GIS
2008
ACM
14 years 9 months ago
2008
ACM
This paper presents an automatic algorithm which reconstructs building models from airborne LiDAR (light detection and ranging) data of urban areas. While our algorithm inherits t...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
In this paper we propose a locally adaptive image threshold technique via variational energy minimization. The novelty of the proposed method is that from an image it automaticall...
ICPR
2006
IEEE
14 years 9 months ago
2006
IEEE
Computer based analysis for automated segmentation of blood vessels in retinal images will help eye care specialists screen larger populations for vessel abnormalities. However, a...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
Text detection is fundamental to video information retrieval and indexing. Existing methods cannot handle well those texts with different contrast or embedded in a complex backgro...
ICCV
1998
IEEE
14 years 9 months ago
1998
IEEE
In this paper, we present a shape recovery technique in 2 0 and 3 0 with specific applications in visualizing and measuring anatomical shapes from medical images. This algorithm m...