Sciweavers

909 search results - page 133 / 182
» Games for extracting randomness
Sort
View
IWDW
2004
Springer
15 years 11 months ago
A Multi-feature Based Invertible Authentication Watermarking for JPEG Images
: Invertible authentication techniques have been used in some special applications (such as medical or military) where original data can be recovered after authenticated. In this p...
Deng-Pan Ye, Yaobin Mao, Yuewei Dai, Zhiquan Wang
CIKM
2003
Springer
15 years 11 months ago
Summarization evaluation using relative utility
We present a series of experiments to demonstrate the validity of Relative Utility (RU) as a measure for evaluating extractive summarizers. RU is applicable in both singledocument...
Dragomir R. Radev, Daniel Tam
HUC
2003
Springer
15 years 11 months ago
Building World Models by Ray-Tracing within Ceiling-Mounted Positioning Systems
Context-aware computing in location-aware environments demands the combination of real world position with a computational world model to infer context. We present a novel approach...
Robert K. Harle, Andy Hopper
PAKDD
2010
ACM
179views Data Mining» more  PAKDD 2010»
15 years 11 months ago
Answer Diversification for Complex Question Answering on the Web
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
Palakorn Achananuparp, Xiaohua Hu, Tingting He, Ch...
ICPR
2010
IEEE
15 years 11 months ago
On the Dimensionality Reduction for Sparse Representation Based Face Recognition
Face recognition (FR) is an active yet challenging topic in computer vision applications. As a powerful tool to represent high dimensional data, recently sparse representation bas...
Lei Zhang, Meng Yang, Zhizhao Feng, David Zhang