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» A Multigrid Approach to Image Processing
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MMSEC
2004
ACM
137views Multimedia» more  MMSEC 2004»
15 years 11 months ago
Perturbed quantization steganography with wet paper codes
In this paper, we introduce a new approach to passive-warden steganography in which the sender embeds the secret message into a certain subset of the cover object without having t...
Jessica J. Fridrich, Miroslav Goljan, David Soukal
ICIP
2005
IEEE
16 years 8 months ago
Shape space sampling distributions and their impact on visual tracking
Object motions can be represented as a sequence of shape deformations and translations which can be interpretated as a sequence of points in N-dimensional shape space. These space...
Amit Kale, Christopher O. Jaynes
APGV
2006
ACM
181views Visualization» more  APGV 2006»
16 years 11 days ago
Categorization of natural scenes: local vs. global information
Understanding the robustness and rapidness of human scene categorization has been a focus of investigation in the cognitive sciences over the last decades. At the same time, progr...
Julia Vogel, Adrian Schwaninger, Christian Wallrav...
SIGGRAPH
2010
ACM
15 years 11 months ago
Dynamic video narratives
This paper presents a system for generating dynamic narratives from videos. These narratives are characterized for being compact, coherent and interactive, as inspired by principl...
Carlos D. Correa, Kwan-Liu Ma
ICA
2010
Springer
15 years 7 months ago
Recovering Spikes from Noisy Neuronal Calcium Signals via Structured Sparse Approximation
Two-photon calcium imaging is an emerging experimental technique that enables the study of information processing within neural circuits in vivo. While the spatial resolution of th...
Eva L. Dyer, Marco F. Duarte, Don H. Johnson, Rich...