33 search results - page 3 / 7 » Subpixel-Precise Extraction of Watersheds |
CIARP
2007
Springer
13 years 9 months ago
2007
Springer
Abstract. Distinguished regions can be detected with high repeatability in different images of the same scene. Two definitions of distinguished regions of an image in a mathemati...
CAIP
1997
Springer
13 years 11 months ago
1997
Springer
The use of digital image analysis in architectural photogrammetry allows the automation of monotonous low-level tasks and makes the interpretation of facades much easier. Different...
IBPRIA
2003
Springer
14 years 18 days ago
2003
Springer
Abstract. This paper presents a general framework to segment curvilinear objects in 2D images. A pre-processing step relies on mathematical morphology to obtain a connected line wh...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
We consider the problem of extracting a river network and a watershed hierarchy from a terrain given as a set of irregularly spaced points. We describe TerraStream, a "pipeli...
SIBGRAPI
2007
IEEE
14 years 1 months ago
2007
IEEE
This paper analyzes the robustness issue in three segmentation approaches: the iterative relative fuzzy object extraction, the watershed transforms (WT) by image foresting transfo...