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TDHMS
2010
14 years 8 months ago
Color Based Tracing in Real-Life Surveillance Data
For post incident investigation a complete reconstruction of an event is needed based on surveillance footage of the crime scene and surrounding areas. Reconstruction of the wherea...
Michael J. Metternich, Marcel Worring, Arnold W. M...
CVPR
2012
IEEE
13 years 13 days ago
Photometric stereo for outdoor webcams
We present a photometric stereo technique that operates on time-lapse sequences captured by static outdoor webcams over the course of several months. Outdoor webcams produce a lar...
Jens Ackermann, Fabian Langguth, Simon Fuhrmann, M...
ESANN
2004
14 years 11 months ago
Neural network-based calibration of positron emission tomograph detector modules
In this paper we describe a neural network-based method aimed at automatically calibrating the detector module contained in a scanner for a highresolution positron emission tomogra...
Beatrice Lazzerini, Francesco Marcelloni, Giovanni...
TIP
2010
131views more  TIP 2010»
14 years 4 months ago
Orientation Modulation for Data Hiding in Clustered-Dot Halftone Prints
We present a new framework for data hiding in images printed with clustered dot halftones. Our application scenario, like other hardcopy embedding methods, encounters fundamental c...
Orhan Bulan, Gaurav Sharma, Vishal Monga
ICIP
2005
IEEE
15 years 11 months ago
JPEG 2000 scalar quantization using an optimally frequency localized modulated lapped transform
JPEG 2000 is a lossy integer-to-integer transform-based compression method that first quantizes the separable 2-D wavelet transform coefficients, then entropy codes them. The imag...
Peter C. Tay, Joseph P. Havlicek