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CVPR
2011
IEEE
14 years 9 months ago
Learning-based Hypothesis Fusion for Robust Catheter Tracking in 2D X-ray Fluoroscopy
Catheter tracking has become more and more important in recent interventional applications. It provides real time guidance for the physicians and can be used as motion compensated...
Wen Wu, Terrence Chen, Adrian Barbu, Peng Wang, No...
DCC
2007
IEEE
16 years 5 months ago
Joint Optimization of Distributed Broadcast Quantization Systems for Classification
We develop a simulated annealing technique to jointly optimize a distributed quantization structure meant to maximize the asymptotic error exponent of a downstream classifier or d...
Michael A. Lexa, Don H. Johnson
VMV
2000
121views Visualization» more  VMV 2000»
15 years 7 months ago
Silhouette-Based Multiple-View Camera Calibration
In this paper, we present an efficient method for calibrating many camera views simultaneously. We derive an error function based on the mutual consistency of the object silhouett...
Prashant Ramanathan, Eckehard G. Steinbach, Bernd ...
NDSS
2009
IEEE
16 years 19 days ago
RAINBOW: A Robust And Invisible Non-Blind Watermark for Network Flows
Linking network flows is an important problem in intrusion detection as well as anonymity. Passive traffic analysis can link flows but requires long periods of observation to r...
Amir Houmansadr, Negar Kiyavash, Nikita Borisov
ISCAS
2003
IEEE
185views Hardware» more  ISCAS 2003»
15 years 11 months ago
A semi-fragile object based video authentication system
This paper presents a semi-fragile object-based authentication solution for MPEG4 video. To protect the integrity of the video objects / sequences, a content-based watermark is em...
Dajun He, Qibin Sun, Qi Tian