Yuhang Fei, Xiubao Sui, Qingbao Wang, Qian Chen, Guohua Gu. Optically realize convolution operation of microlens array[J]. Infrared and Laser Engineering, 2022, 51(2): 20210887
- Infrared and Laser Engineering
- Vol. 51, Issue 2, 20210887 (2022)
Fig. 1. Structure diagram of optical convolution system
Fig. 2. Diagram of window division
Fig. 3. (a) The distribution of input signal feed to P 2; (b) The shape and value of kernel which set in P 2
Fig. 4. Ray marking
Fig. 5. Simulate the optical path
Fig. 6. (a) Gaussian operator; (b) Variant of Prewitt operator; (c) Prewitt's gradient along the x direction; (d) The image gradient obtained by the improved operator along thex direction
Fig. 7. Diagram of optical convolution neural network
Fig. 8. Pre-processing result of valid convolution with stride 1
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