Prof. Guohua Gu Profile

Prof. Guohua Gu

Professor at Nanjing Univ of Science and Technology

SPIE Involvement:

Author

Publications (116)

Proceedings Article | 23 January 2023 Paper

Infrared sea clutter suppression method based on gradient filtering

Haolong Tang, Dongming Lu, Liping Wang, Guohua Gu

Proceedings Volume 12557, 125572B (2023) https://doi.org/10.1117/12.2652036

KEYWORDS: Infrared radiation, Infrared imaging, Image filtering, Target detection, Optical filters, Infrared detectors, Thermography, Image processing, Detection and tracking algorithms, Target designation

Read Abstract +

Proceedings Article | 4 January 2023 Presentation + Paper

Infrared small target detection method based on multidirectional derivative and local contrast difference

Yunkai Xu, Xueqi Chen, Minjie Wan, Yili Chen, Ajun Shao, Xiaofang Kong, Guohua Gu

Proceedings Volume 12317, 123170E (2023) https://doi.org/10.1117/12.2643631

KEYWORDS: Target detection, Infrared radiation, Sensors, Infrared detectors, Thermal modeling, Digital filtering, Image filtering, Infrared imaging, Infrared sensors, Detection and tracking algorithms

Read Abstract +

SPIE Journal Paper | 2 December 2022

Residual learning-based two-stream network for RGB-T object tracking

Yili Chen, Minjie Wan, Yunkai Xu, Xiaojie Zhang, Qian Chen, Guohua Gu

JEI, Vol. 31, Issue 06, 063041, (December 2022) https://doi.org/10.1117/12.10.1117/1.JEI.31.6.063041

KEYWORDS: Detection and tracking algorithms, Feature extraction, Semantics, Lithium, Education and training, Convolution, Frequency modulation, Fermium, Computed tomography, Optical tracking

Read Abstract +

Proceedings Article | 26 July 2022 Paper

A compact and universal digital lock-in amplifier design for broad optical spectrum capturing

Yunliang Li, Zheyi Yao, Zhiqiang Gao, Jia Qian, Heng Zhang, Guohua Gu, Qian Chen, Xiubao Sui, Lingyuan Meng

Proceedings Volume 12279, 122790C (2022) https://doi.org/10.1117/12.2615555

KEYWORDS: Optical amplifiers, Signal detection, Sensors, Digital electronics, Linear filtering, Infinite impulse response filters, Field programmable gate arrays, Integrated optics, Digital filtering, Optical design

Read Abstract +

Proceedings Article | 27 March 2022 Paper

Low noise infrared imaging based on frequency upconversion

Yuqi Jiang, Tianyi Mao, Guohua Gu, Weiji He, Qian Chen

Proceedings Volume 12169, 1216911 (2022) https://doi.org/10.1117/12.2620960

KEYWORDS: Upconversion, Cameras, Temperature metrology, Infrared imaging, Time metrology, Short wave infrared radiation, Nonlinear crystals, Image quality, Infrared radiation, Signal to noise ratio

Read Abstract +

Proceedings Article | 27 March 2022 Paper

Frequency upconversion photon counting imaging based on Hadamard coding

Ying Zhang, YuQi Jiang, Tianyi Mao, Wenwen Zhang, GuoHua Gu, WeiJi He, Qian Chen

Proceedings Volume 12169, 1216912 (2022) https://doi.org/10.1117/12.2620965

KEYWORDS: Upconversion, Photon counting, Fiber lasers, Crystals, Point spread functions, Mirrors, Digital micromirror devices, Polarization, Nonlinear crystals, Micromirrors

Read Abstract +

Proceedings Article | 27 March 2022 Paper

Modulated pulse characteristics based on nonlinear frequency upconversion

Yan Li, Yongcheng Han, Guohua Gu, Weiji He, Qian Chen

Proceedings Volume 12169, 121690U (2022) https://doi.org/10.1117/12.2620750

KEYWORDS: Upconversion, Infrared radiation, Infrared imaging, Modulation, Infrared detectors, Gaussian pulse, Signal detection, Quantum efficiency, Sum-frequency generation, Signal processing

Read Abstract +