[1] [1] Aminfar A, Davoodzadeh N, Aguilar G, et al. Application of optical flow algorithms to laser speckle imaging［J］. Microvasc Res, 2019, 122： 52-59.

[2] [2] Dai M, Peng K, Zhao J, et al. Fast 3D measurement based on improved optical flow for dynamic objects［J］. Optics Express, 2020, 28(13)： 18969-18985.

[4] [4] Yi D H, Lee T J, Cho D D. A new localization system for indoor service robots in low luminance and slippery Indoor environment using afocal optical flow sensor based sensor fusion［J］. Sensors (Basel), 2018, 18(2)： 171-185.

[6] [6] Lucas B D. An iterative image registration technique with an application to stereo vision (DARPA)［J］. Proc Ijcai, 1981, 81(3)： 674-679.

[8] [8] Horn B K P, Schunck B G. Determining optical flow［J］. Artificial Intelligence, 1981, 17(1-3)： 185-203.

[9] [9] Peters N, Hoffmann A, Barnie T, et al. Use of motion estimation algorithms for improved flux measurements using SO2 cameras［J］. Journal of Volcanology and Geothermal Research, 2015, 300： 58-69.

[10] [10] Unser M. Texture classification and segmentation using wavelet frames［J］. IEEE Transactions on Image Processing A Publication of the IEEE Signal Processing Society, 1995, 4(11)： 1549-1560.

[11] [11] Sandsten J, Andersson M. Volume flow calculations on gas leaks imaged with infrared gas-correlation［J］. Optics Express, 2012, 20(18)： 20318-20329.