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» Improved Scene Reconstruction from Range Images
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147
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ICIP
2005
IEEE
16 years 7 months ago
Improved color filter array demosaicking by accurate luminance estimation
Luminance information plays an important role in dictating the quality of a color image, and some existing color filter array (CFA) demosaicking methods achieve superiority by fir...
Naixiang Lian, Lanlan Chang, Yap-Peng Tan
MVA
2002
116views Computer Vision» more  MVA 2002»
15 years 5 months ago
Nonlinear Refinement of Camera Parameters Using an Endoscopic Surgery Robot
We present an approach for nonlinear optimization of the parameters of an endoscopic camera mounted on a surgery robot. The goal is to generate a depth map for each image in order...
Jochen Schmidt, Florian Vogt, Heinrich Niemann
ICCV
2005
IEEE
16 years 8 months ago
Geometric Invariants and Applications under Catadioptric Camera Model
This paper presents geometric invariants of points and their applications under central catadioptric camera model. Although the image has severe distortions under the model, we es...
Yihong Wu, Zhanyi Hu
170
Voted
TMI
1998
175views more  TMI 1998»
15 years 5 months ago
A Harmonic Decomposition Reconstruction Algorithm for Spatially-Varying Focal Length Collimators
—Spatially varying focal length fan-beam collimators can be used in single photon emission computed tomography to improve detection efficiency and to reduce reconstruction artif...
Jiangsheng You, Zhengrong Liang, Shanglian Bao
163
Voted
ICDAR
2005
IEEE
15 years 11 months ago
Improved Text-Detection Methods for a Camera-based Text Reading System for Blind Persons
Automatic text recognition from natural images receives a growing attention because of potential applications in image retrieval, robotics and intelligent transport system. Camera...
Nobuo Ezaki, Kimiyasu Kiyota, Bui Truong Minh, Mar...