474 search results - page 89 / 95 » Region-Based Watermarking for Images |
GIS
2009
ACM
14 years 4 months ago
2009
ACM
We propose an automatic approach to tree detection from aerial imagery. First a pixel-level classifier is trained to assign a {tree, non-tree} label to each pixel in an aerial im...
ICMCS
2008
IEEE
14 years 4 months ago
2008
IEEE
In this paper, by considering the multiple spatial-temporal characteristic of visual perception system, we propose a novel home video attention analysis method. Firstly, each fram...
ACCV
2007
Springer
14 years 4 months ago
2007
Springer
This paper presents a method for classifying the direction of movement and for segmenting objects simultaneously using features of space-time patches. Our approach uses vector quan...
TIP
2008
13 years 9 months ago
2008
Exploiting the quasi-linear relationship between local phase and disparity, phase-differencing registration algorithms provide a fast, powerful means for disparity estimation. Unfo...
PAMI
2011
13 years 4 months ago
2011
—In this paper, we propose a method based on the Laplacian in the frequency domain for video text detection. Unlike many other approaches which assume that text is horizontallyor...