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ICCV
2009
IEEE
14 years 10 months ago
Keyframe-Based Real-Time Camera Tracking
We present a novel keyframe selection and recognition method for robust markerless real-time camera tracking. Our system contains an ofine module to select features from a grou...
Zilong Dong, Guofeng Zhang, Jiaya Jia, Hujun Bao
ICCV
2003
IEEE
14 years 7 months ago
Adaptive Dynamic Range Imaging: Optical Control of Pixel Exposures Over Space and Time
This paper presents a new approach to imaging that significantly enhances the dynamic range of a camera. The key idea is to adapt the exposure of each pixel on the image detector,...
Shree K. Nayar, Vlad Branzoi
MIAR
2008
IEEE
14 years 5 days ago
Automatic Hepatic Vessel Segmentation Using Graphics Hardware
The accurate segmentation of liver vessels is an important prerequisite for creating oncologic surgery planning tools as well as medical visualization applications. In this paper, ...
Marius Erdt, Matthias Raspe, Michael Sühling
ICIP
2008
IEEE
14 years 7 months ago
Movie summarization based on audiovisual saliency detection
Based on perceptual and computational attention modeling studies, we formulate measures of saliency for an audiovisual stream. Audio saliency is captured by signal modulations and...
Georgios Evangelopoulos, Konstantinos Rapantzikos,...
ICIP
2004
IEEE
14 years 7 months ago
Constant quality rate-control for video encoding based on activity segmentation
An enhanced, off-line, segment-based rate control approach is proposed for controlling the distortion variation across successive segments of a video sequence when encoding with s...
Luk Overmeire, Fabio Verdicchio, Joeri Barbarien, ...