CONFERENCE PROCEEDINGS
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Dr. YunQing Liu
at Changchun Univ of Science and Technology
SPIE Involvement:
Author
Publications (5)
SPIE Journal Paper | 31 March 2022
Improved face detection algorithm based on multitask convolutional neural network for unmanned aerial vehicles view
Zhihe Xun, Liang Wang, Yunqing Liu
JEI, Vol. 31, Issue 06, 061804, (March 2022) https://doi.org/10.1117/12.10.1117/1.JEI.31.6.061804
KEYWORDS: Facial recognition systems, Unmanned aerial vehicles, Detection and tracking algorithms, Target detection, Evolutionary algorithms, Convolutional neural networks, Performance modeling, Neural networks, Systems modeling, Target recognition
SPIE Journal Paper | 23 January 2019
Improving line-of-sight pointing accuracy of laser communication system based on Kalman filter
OE, Vol. 58, Issue 01, 016110, (January 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.1.016110
KEYWORDS: Filtering (signal processing), Telecommunications, Line of sight pointing, Optical communications, Navigation systems, Laser communications, Electronic filtering, Laser systems engineering, Optical filters, Antennas
SPIE Journal Paper | 14 December 2017
Line of sight pointing technology for laser communication system between aircrafts
OE, Vol. 56, Issue 12, 126107, (December 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.12.126107
KEYWORDS: Telecommunications, Cameras, Line of sight pointing, Optical communications, Calibration, Laser communications, Global Positioning System, Antennas, Laser systems engineering, Laser applications
Proceedings Article | 24 October 2017 Paper
Design of optical-mechanical structure for off-axis reflective star sensor ground calibration equipment
Proceedings Volume 10463, 104630Z (2017) https://doi.org/10.1117/12.2283210
KEYWORDS: Optical design, Structural design, Reflectivity, Star sensors, Sensor calibration, Calibration, Collimators
Proceedings Article | 28 January 2006 Paper
Power analysis of CPA link for free space laser communication system
Proceedings Volume 6025, 602512 (2006) https://doi.org/10.1117/12.667040
KEYWORDS: Telecommunications, Signal to noise ratio, Charge-coupled devices, Interference (communication), CCD cameras, Laser systems engineering, Transmitters, Free space optical communications, Laser communications, Receivers
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