364 search results - page 51 / 73 » Detection and Segmentation of Concealed Objects in Terahertz... |
IROS
2007
IEEE
14 years 5 months ago
2007
IEEE
— We present a Graph-based method for low-level segmentation of unfiltered 3D data. The core of this approach is based on the construction of a local neighborhood structure and ...
MM
2006
ACM
14 years 4 months ago
2006
ACM
Labeling objects in images is an essential prerequisite for many visual learning and recognition applications that depend on training data, such as image retrieval, object detecti...
ICIP
2008
IEEE
14 years 5 months ago
2008
IEEE
One of the important steps in gradient-based edge detection is thresholding, e.g., hysteresis thresholding in the Canny detector. Traditional approaches use gradient magnitude as ...
ICPR
2002
IEEE
14 years 3 months ago
2002
IEEE
We have constructed a simple and fast system to detect frontal human faces in complex environment. There are two main contributions of our work: 1) We use a fast image segmentatio...
IBPRIA
2003
Springer
14 years 4 months ago
2003
Springer
We describe a technique for extracting vertices from range images of cluttered box-like objects. Edge detection is performed and an edge map is acquired. Extraction of vertices is ...