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INFOCOM
2008
IEEE
16 years 24 days ago
APL: Autonomous Passive Localization for Wireless Sensors Deployed in Road Networks
Abstract—In road networks, sensors are deployed sparsely (hundreds of meters apart) to save costs. This makes the existing localization solutions based on the ranging be ineffect...
Jaehoon Jeong, Shuo Guo, Tian He, David Du
ACL
2009
15 years 4 months ago
A Graph-based Semi-Supervised Learning for Question-Answering
We present a graph-based semi-supervised learning for the question-answering (QA) task for ranking candidate sentences. Using textual entailment analysis, we obtain entailment sco...
Asli Çelikyilmaz, Marcus Thint, Zhiheng Hua...
MICCAI
2001
Springer
15 years 10 months ago
Segmentation of Dynamic N-D Data Sets via Graph Cuts Using Markov Models
Abstract. This paper describes a new segmentation technique for multidimensional dynamic data. One example of such data is a perfusion sequence where a number of 3D MRI volumes sho...
Yuri Boykov, Vivian S. Lee, Henry Rusinek, Ravi Ba...
SIBGRAPI
2006
IEEE
16 years 11 days ago
Duality between the Watershed by Image Foresting Transform and the Fuzzy Connectedness Segmentation Approaches
This paper makes a rereading of two successful image segmentation approaches, the fuzzy connectedness (FC) and the watershed (WS) approaches, by analyzing both by means of the Ima...
Romaric Audigier, Roberto de Alencar Lotufo
ECCV
2002
Springer
16 years 8 months ago
Normalized Gradient Vector Diffusion and Image Segmentation
Abstract. In this paper, we present an approach for image segmentation, based on the existing Active Snake Model and Watershed-based Region Merging. Our algorithm includes initial ...
Zeyun Yu, Chandrajit L. Bajaj