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CVPR
2011
IEEE
13 years 5 months ago
Structure from motion for scenes with large duplicate structures
Most existing structure from motion (SFM) approaches for unordered images cannot handle multiple instances of the same structure in the scene. When image pairs containing differen...
Richard Roberts, Sudipta Sinha, Richard Szeliski, ...
CVPR
2011
IEEE
13 years 5 months ago
A Global Sampling Method for Alpha Matting
Alpha matting refers to the problem of softly extracting the foreground from an image. Given a trimap (specifying known foreground/background and unknown pixels), a straightforwar...
Kaiming He, Christoph Rhemann, Carsten Rother, Xia...
TVCG
2011
257views more  TVCG 2011»
13 years 5 months ago
A Spatially Augmented Reality Sketching Interface for Architectural Daylighting Design
—We present an application of interactive global illumination and spatially augmented reality to architectural daylight modeling that allows designers to explore alternative desi...
Yu Sheng, Theodore C. Yapo, Christopher Young, Bar...
JDCTA
2010
113views more  JDCTA 2010»
13 years 4 months ago
A Watermarking Algorithm Based on Block Energy Analysis of Wavelet Transform's Coefficients and Lorenz Chaotic Attractor
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
Xuelong Hu, Wei Tian, Yongai Zheng
TIP
2010
176views more  TIP 2010»
13 years 4 months ago
A PDE Formalization of Retinex Theory
In 1964 Edwin H. Land formulated the Retinex theory, the first attempt to simulate and explain how the human visual system perceives color. His theory and an extension, the "r...
Jean-Michel Morel, Ana Belen Petro, Catalina Sbert