190 search results - page 8 / 38 » Shadow extraction and correction from quickbird images |
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
In this paper, we present a face authentication system that can be broken down in three stages. Prior to feature extraction, a pose correction step is applied, so that frontal fac...
PG
2002
IEEE
14 years 14 days ago
2002
IEEE
We present a new method for the detection and estimation of multiple directional illuminants, using a single image of any object with known geometry and Lambertian reflectance. W...
BMCBI
2010
13 years 2 months ago
2010
Background: A key stage for all microarray analyses is the extraction of feature-intensities from an image. If this step goes wrong, then subsequent preprocessing and processing s...
AMDO
2006
Springer
13 years 11 months ago
2006
Springer
In this paper, we present an automatic face authentication system. Accurate segmentation of prominent facial features is accomplished by means of an extension of the Active Shape M...
ICIAP
2001
Springer
14 years 7 months ago
2001
Springer
Deformable models are by their formulation able to solve surface extraction problem from noisy volumetric image data encountered commonly in medical image analysis. However, this ...