183 search results - page 5 / 37 » The Vector-Gradient Hough Transform |
ICPR
2002
IEEE
15 years 2 months ago
2002
IEEE
The application of Hough Transform (HT) has been limited to small-size images for a long time. For large-size images, the peak detection and the line verification become much more...
ICPR
2002
IEEE
15 years 2 months ago
2002
IEEE
This paper describes a method to detect glasses’ frames for robust facial image processing. This method makes use of the 3D features obtained by a trinocular stereo vision syste...
ICPR
2002
IEEE
15 years 2 months ago
2002
IEEE
We present a fast method for locating iris features in frontal face images based on the Hough transform. It consists of an initial iris detection step and a tracking step which us...
ICPR
2008
IEEE
15 years 11 months ago
2008
IEEE
The paper presents an incremental method for accurate iris segmentation. Firstly, observing the characteristics of iris images, we search for a square region that contains pupil w...
ICPR
2000
IEEE
15 years 11 months ago
2000
IEEE
Directional features extracted from Gabor responses are used as primitives for perceptual grouping. In previous work, we extracted Gabor features in 8 directions and then applied ...