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IJCV
2007
189views more  IJCV 2007»
15 years 6 months ago
Prior-based Segmentation and Shape Registration in the Presence of Perspective Distortion
Challenging object detection and segmentation tasks can be facilitated by the availability of a reference object. However, accounting for possible transformations between the diff...
Tammy Riklin-Raviv, Nahum Kiryati, Nir A. Sochen
VC
2008
132views more  VC 2008»
15 years 6 months ago
Caustic spot light for rendering caustics
It is difficult to render caustic patterns at interactive frame rates. This paper introduces new rendering techniques that relax current constraints, allowing scenes with moving, n...
Xinguo Liu, Zhao Dong, Hujun Bao, Qunsheng Peng
VC
2008
82views more  VC 2008»
15 years 6 months ago
Shape deformation with tunable stiffness
The paper presents a 2D or 3D shape deformation method which incorporates global and local stiffness controls. First, a geometric object is embedded into a regular lattice and then...
Wenwu Yang, Jieqing Feng, Xiaogang Jin
202
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PAMI
2007
202views more  PAMI 2007»
15 years 6 months ago
Weighted Graph Cuts without Eigenvectors A Multilevel Approach
—A variety of clustering algorithms have recently been proposed to handle data that is not linearly separable; spectral clustering and kernel k-means are two of the main methods....
Inderjit S. Dhillon, Yuqiang Guan, Brian Kulis
DPHOTO
2009
129views Hardware» more  DPHOTO 2009»
15 years 4 months ago
Extended depth-of-field using sharpness transport across color channels
In this paper we present an approach to extend the Depth-of-Field (DoF) for cell phone miniature camera by concurrently optimizing optical system and post-capture digital processi...
Frederic Guichard, Hoang-Phi Nguyen, Régis ...