23 search results - page 3 / 5 » Edge Detection Error in the Discrete Laplacian of Gaussian |
JDCTA
2010
13 years 26 days ago
2010
Preprocessing, a major component of Character Recognition System, has direct effect on the recognition system by its performance. Using wavelet transform, this paper mainly focuse...
ICIP
2007
IEEE
14 years 11 days ago
2007
IEEE
We propose an approach to model the background of images in a video sequence based on subpixel edge map. This work is motivated by the observation that intensity based background ...
TCSV
2002
13 years 5 months ago
2002
A novel frequency-domain technique for image blocking artifact detection and reduction is presented in this paper. The algorithm first detects the regions of the image which presen...
CVPR
2005
IEEE
13 years 8 months ago
2005
IEEE
A novel two-stage level set evolution method for detecting man-made objects in aerial images is described. The method is based on a modified Mumford-Shah model and it uses a two-s...
IJCV
1998
13 years 5 months ago
1998
A fundamental problem in depth from defocus is the measurement of relative defocus between images. The performance of previously proposed focus operators are inevitably sensitive t...