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» Statistics of natural image distortions
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NECO
2010
129views more  NECO 2010»
15 years 8 days ago
A Two-Layer Model of Natural Stimuli Estimated with Score Matching
We consider a hierarchical two-layer model of natural signals in which both layers are learned from the data. Estimation is accomplished by Score Matching, a recently proposed est...
Urs Köster, Aapo Hyvärinen
DAGM
2007
Springer
15 years 8 months ago
Image Statistics and Local Spatial Conditions for Nonstationary Blurred Image Reconstruction
Deblurring is important in many visual systems. This paper presents a novel approach for nonstationary blurred image reconstruction with ringing reduction in a variational Bayesian...
Hongwei Zheng, Olaf Hellwich
ICIAP
2007
ACM
16 years 2 months ago
Natural scenes categorization by hierarchical extraction of typicality patterns
Natural scene categorization of images represents a very useful task for automatic image analysis systems in a wide variety of applications. In the literature, several methods hav...
Alessandro Perina, Marco Cristani, Vittorio Murino
TOG
2008
96views more  TOG 2008»
15 years 1 months ago
Display adaptive tone mapping
We propose a tone-mapping operator that can minimize visible contrast distortions for a range of output devices, ranging from e-paper to HDR displays. The operator weights contras...
Rafal Mantiuk, Scott Daly, Louis Kerofsky
MIR
2005
ACM
181views Multimedia» more  MIR 2005»
15 years 7 months ago
Video booklet: a natural video searching and browsing interface
In this paper, we propose a novel system, named Video Booklet, which enables efficient and natural personal video browsing and searching. In the system, firstly representative th...
Cai-Zhi Zhu, Xian-Sheng Hua, Tao Mei, Xiuqing Wu