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AAAI
2008
15 years 6 months ago
Reasoning with Cardinal Directions: An Efficient Algorithm
Direction relations between extended spatial objects are important commonsense knowledge. Recently, Goyal and Egenhofer proposed a formal model, called Cardinal Direction Calculus...
Xiaotong Zhang, Weiming Liu, Sanjiang Li, Mingshen...
ICANN
2010
Springer
15 years 4 months ago
Automatic Segmentation of Color Lip Images Based on Morphological Filter
This paper addresses the problem of lip segmentation in color space, which is a crucial issue to the success of a lip-reading system. We present a new segmentation approach to lip ...
Meng Li, Yiu-ming Cheung
GRAPHICSINTERFACE
2004
15 years 5 months ago
A Hybrid Hardware-Accelerated Algorithm for High Quality Rendering of Visual Hulls
In this paper, a novel hybrid algorithm is presented for the fast construction and high-quality rendering of visual hulls. We combine the strengths of two complementary hardware-a...
Ming Li, Marcus A. Magnor, Hans-Peter Seidel
TCSV
2010
14 years 11 months ago
Efficient Bit Allocation and Rate Control Algorithms for Hierarchical Video Coding
Hierarchical structure is a useful tool for providing the necessary scalability in adapting to the variety of channel environments. For schemes involving hierarchical picture struc...
Chan-Won Seo, Jung Won Kang, Jong-Ki Han, Truong Q...
ICIP
2002
IEEE
16 years 6 months ago
Multiresolution moment filters
We define multi-scale moments that are estimated locally by analyzing the image through a sliding window at multiple scales. When the analysis window satisfies a two-scale relatio...
Michael Sühling, Michael Unser, Muthuvel Arig...