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Nonlinear observer on SO(3) for attitude estimation on rotating earth using single vector measurements Journal article
IEEE Control Systems Letters, 2019,Volume: 3,Issue: 2,Page: 392-397
Authors:  Reis J.;  Batista P.;  Oliveira P.;  Silvestre C.
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almost global stability  Attitude observer  single body-vector  spherical rotating earth  topological constraints  
Nonlinear Attitude Observer on SO(3) Based on Single Body-Vector Measurements Conference paper
2018 IEEE Conference on Control Technology and Applications, CCTA 2018
Authors:  Reis J.;  Batista P.;  Oliveira P.;  Silvestre C.
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Attitude Observer  Local Exponential Stability  Single Body-Vector  Topological Constraints  
Landmark Summarization With Diverse Viewpoints Journal article
IEEE Transactions on Circuits and Systems for Video Technology, 2015,Volume: 25,Issue: 11,Page: 1857-1869
Authors:  Qian X.;  Xue Y.;  Yang X.;  Tang Y.Y.;  Hou X.;  Mei T.
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geometric consistency check  landmark retrieval  viewpoint modeling  Visual summarization  
A color image enhancement algorithm based on quaternion representation of vector rotation Journal article
International Journal of Wavelets, Multiresolution and Information Processing, 2015,Volume: 13,Issue: 5
Authors:  Fangnian Lang;  Jiliu Zhou;  Yuan Yan Tang;  Zhaowei Shang
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Color Texture  Image Enhancement  Quaternion Algebra  Unsharp Masking Technique  Vector Rotation  
Sector Projection Fourier Descriptor for Chinese Character Recognition Conference paper
2013 IEEE International Conference on Cybernetics, CYBCONF 2013, Lausanne, Switzerland, 13-15 June 2013
Authors:  Li Dong;  Jian Wang;  Yuanman Li;  Yuan Yan Tang
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Chinese Character Recognition  Feature Extraction  Rotation-scale-translation Invariance  Sector Projection Fourier Descriptor  
Globally exponentially stable cascade observers for attitude estimation Journal article
Control Engineering Practice, 2012,Volume: 20,Issue: 2,Page: 148
Authors:  Batista P.;  Silvestre C.;  Oliveira P.
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Attitude Algorithms  Estimation  Navigation Systems  Observability  Observers  
Optimal design of a 3-PUPU parallel robot with compliant hinges for micromanipulation in a cubic workspace Journal article
Robotics and Computer-Integrated Manufacturing, 2011,Volume: 27,Issue: 6,Page: 977
Authors:  Yun Y.;  Li Y.
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Flexure hinge  Optimal design  Parallel mechanism  Parasitic rotation  
Design and analysis of a totally decoupled flexure-based XY parallel micromanipulator Journal article
IEEE Transactions on Robotics, 2009,Volume: 25,Issue: 3,Page: 645
Authors:  Li Y.;  Xu Q.
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Dynamics  Kinematics  Mechanism Design  Micro-/nanorobots  Parallel Robots  
Adaptive image classification with radial basis function network Conference paper
Proceedings of the Seventh IASTED International Conference on Computer Graphics and Imaging
Authors:  Pun C.-M.
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Image classification  Radial basis function network  Rotation-Invariance  
Invariant content-based image retrieval by wavelet energy signatures Conference paper
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, HONG KONG, CHINA, APR 06-10, 2003
Authors:  Pun C.-M.
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