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Article

55 Citations

8,003 Views

20 Pages

Sparse Representation for Infrared Dim Target Detection via a Discriminative Over-Complete Dictionary Learned Online

Zheng-Zhou Li,
Jing Chen,
Qian Hou,
Hong-Xia Fu,
Zhen Dai,
Gang Jin,
Ru-Zhang Li and
Chang-Ju Liu

Sensors2014, 14(6), 9451-9470;https://doi.org/10.3390/s140609451

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27 May 2014

It is difficult for structural over-complete dictionaries such as the Gabor function and discriminative over-complete dictionary, which are learned offline and classified manually, to represent natural images with the goal of ideal sparseness and to...

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Article

3 Citations

4,354 Views

25 Pages

Combining DCQGMP-Based Sparse Decomposition and MPDR Beamformer for Multi-Type Interferences Mitigation for GNSS Receivers

Qiang Guo and
Liangang Qi

Sensors2017, 17(4), 813;https://doi.org/10.3390/s17040813

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10 April 2017

In the coexistence of multiple types of interfering signals, the performance of interference suppression methods based on time and frequency domains is degraded seriously, and the technique using an antenna array requires a large enough size and huge...

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