Sciweavers

IPAS
2007
14 years 1 months ago
Multilevel surround inhibition: a biologically inspired contour detector
Canny edge detector is based both on local and global image analysis, present in the gradient computation and connectivity-related hysteresis thresholding, respectively. This cont...
Giuseppe Papari, Patrizio Campisi, Nicolai Petkov
ICAPR
2001
Springer
14 years 4 months ago
Character Extraction from Interfering Background - Analysis of Double-Sided Handwritten Archival Documents
The sipping of ink through the pages of certain double-sided handwritten documents after long periods of storage poses a serious problem to human readers or OCR systems. This pape...
Chew Lim Tan, Ruini Cao, Qian Wang, Peiyi Shen
ICIP
2001
IEEE
15 years 1 months ago
Tube-embodied gradient vector flow fields for unsupervised video object plane (VOP) segmentation
In this paper constrained Gradient Vector Flow (GVF) field generation is performed, for fast and accurate unsupervised stereoscopic semantic segmentation. The scheme utilizes the ...
Anastasios D. Doulamis, Nikolaos D. Doulamis, Stef...
ICIP
2003
IEEE
15 years 1 months ago
Contour detection operators based on surround inhibition
We propose a biologically motivated computational step, called non-classical receptive field (non-CRF) inhibition, to improve contour detection in images of natural scenes. We aug...
Cosmin Grigorescu, Nicolai Petkov, Michel A. Weste...
CVPR
2006
IEEE
15 years 1 months ago
A Multi-Channel Algorithm for Edge Detection Under Varying Lighting
In vision-based autonomous spacecraft docking multiple views of scene structure captured with the same camera and scene geometry is available under different lighting conditions. ...
Wei Xu, Michael Jenkin, Yves Lespérance