[5] [5] Somekawa T, Ichikawa Y, Ogita M, et al. Flash resonance Raman lidar for SO2 gas leak detection[J].Optics Communications, 2022,513: 128083.

[7] [7] Bogdan R. Cosofret, Shin Chang, Michael L. AIRIS standoff multispectral sensor[C]//Chemical and Biological Defense Physical Science and Technology Conference, 2008,7304: 7304Y.

[21] [21] Goodman N R. Statistical analysis based on a certain multivariate complex Gaussian distribution (an introduction)[J].The Annals of Mathematical Statistics, 1963,34(1): 152-177.

[22] [22] Park S, Lim J. An overview of heavy-tail extensions of multivariate Gaussian distribution and their relations[J].Journal of Applied Statistics, 2022,49(13): 3477-3494.

[24] [24] Sural S, QIAN G, Pramanik S. Segmentation and histogram generation using the HSV color space for image retrieval[C]//Proceedings. International Conference on Image Processing of IEEE, 2002,2: DOI: 10.1109/ICIP.2002.1040019.

[25] [25] Rippel O, Mertens P, Knig E, et al. Gaussian anomaly detection by modeling the distribution of normal data in pretrained deep features[J].IEEE Transactions on Instrumentation and Measurement, 2021,70: 1-13.

[26] [26] DING N, MA H X, GAO H, et al. Real-time anomaly detection based on long short-term memory and Gaussian mixture model[J].Computers & Electrical Engineering, 2019,79: 106458.