[1] Chen M N, Zhu J, Wang S S. Monitoring of ship emission in shipping channel area based on long-path DOAS technique[J]. Journal of Atmospheric and Environmental Optics, 16, 98-106(2021).

[2] Pasichnyk M, Stanovsky P, Polezhaev P et al. Membrane technology for challenging separations: Removal of CO2, SO2 and NOx from flue and waste gases[J]. Separation and Purification Technology, 323, 124436(2023).

[3] Wu K J, Zhang Z H, Guo J J et al. Effect of UV scattering on detection limit of SO2 cameras[J]. Remote Sensing, 15, 705(2023).

[4] Hu S X, Hu H L, Zhang Y C et al. Differential absorption lidar for environmental SO2 measurements[J]. Chinese Journal of Lasers, 31, 1121-1126(2004).

[5] Jia P C, Cao N W, Fan G Q et al. Differential absorption lidar monitoring of heavy pollution process[J]. Laser & Optoelectronics Progress, 58, 0901002(2021).

[6] Wiacek A, Li L, Tobin K et al. Characterization of trace gas emissions at an intermediate port[J]. Atmospheric Chemistry and Physics, 18, 13787-13812(2018).

[7] Zhang B, Gao C, Guo Y C et al. Measurement method for low-concentration SO2 based on statistics and DOAS[J]. Journal of Photonics, 47, 0230001(2018).

[8] Bouquet T, Kinoshita K, Watson M. Observing SO2 emissions at Japanese volcanoes using an ultraviolet imaging camera[J]. Proc. 14th CEReS International Symposium and SKYNET workshop on Remote Sensing of the Atmosphere for Better Understanding of Climate Change, November 13-14, 2008, Chiba University, Japan, 173-176(2008).

[9] Mori T, Burton M. The SO2 camera: a simple, fast and cheap method for ground-based imaging of SO2 in volcanic plumes[J]. Geophysical Research Letters, 33, L24804(2006).

[10] Kern C, Werner C, Elias T et al. Applying UV cameras for SO2 detection to distant or optically thick volcanic plumes[J]. Journal of Volcanology and Geothermal Research, 262, 80-89(2013).

[11] Stebel K, Amigo A, Thomas H et al. First estimates of fumarolic SO2 fluxes from Putana volcano, Chile, using an ultraviolet imaging camera[J]. Journal of Volcanology and Geothermal Research, 300, 112-120(2015).

[12] Prata A J. Measuring SO2 ship emissions with an ultraviolet imaging camera[J]. Atmospheric Measurement Techniques, 7, 1213-1229(2014).

[13] Zhang Z D, Zheng W B, Cao K et al. An improved method for optimizing detection bands of marine exhaust SO2 concentration in ultraviolet dual-band measurements based on signal-to-noise ratio[J]. Atmospheric Pollution Research, 13, 101479(2022).

[14] Lu K. Development of a UV-based remote sensing technology for sulphur dioxide monitoring from ship emissions[D](2023).

[15] Moussallam Y, Bani P, Curtis A et al. Sustaining persistent lava lakes: observations from high-resolution gas measurements at Villarrica volcano, Chile[J]. Earth and Planetary Science Letters, 454, 237-247(2016).

[16] Xiong Y H, Luo Z J, Chen Z W et al. Study on ultraviolet imaging remote sensing monitoring technology for SO2 gas emission[J]. Spectroscopy and Spectral Analysis, 40, 1289-1296(2020).

[17] Wu K J, Guo J J, Zhang Z H et al. Spectral calibration for SO2 cameras with light dilution effect correction[J]. Remote Sensing, 15, 3652(2023).

[18] Dong X X, Kong Y Q, Yin H J et al. Modified beer-lambert law for Nd∶YAG laser transmission in blood[J]. Laser & Optoelectronics Progress, 59, 0617023(2022).

[19] Wang Y. Application of MATLAB in curve fitting[J]. Technology Innovation and Application, 2012, 8-9-2-3.

[20] Ning Z Q, Liu J X, Wu Y et al. Infrared spectrum baseline correction method based on improved iterative polynomial fitting[J]. Laser & Optoelectronics Progress, 57, 033001(2020).

[21] Wu K J, Xiong Y H, Feng Y T et al. Development of a self-calibration method for real-time monitoring of SO2 ship emissions with UV cameras[J]. Optics Express, 29, 1813-1823(2021).

[22] Yang J P, Fan J L. Circular histogram breakpoint selection and threshold and color image segmentation method based on information energy[J]. Laser & Optoelectronics Progress, 60, 0233002(2023).

[23] Yang Y M. Moving objects tracking based on improved optical flow method[J]. Computer & Digital Engineering, 39, 108-110, 160(2011).

[24] Ye H Y, Li C C, Liu M et al. Smoke detection method based on dense optical flow and target detection[J]. Electronics Optics & Control, 29, 108-113(2022).