Kunming SHAO, Jing WU, Ying SHEN, Shu WANG, Feng HUANG. Research on Speckle Correlation Imaging Based on Spatial Light Modulator[J]. Acta Photonica Sinica, 2021, 50(12): 1229001
- Acta Photonica Sinica
- Vol. 50, Issue 12, 1229001 (2021)
Fig. 1. Pseudo-thermo-optical system based on spatial light modulator
Fig. 2. Speckle correlation imaging model
Fig. 3. Pseudo-thermal light field modulated by spatial light modulators
Fig. 4. The temporal and spatial fluctuation and statistical distribution of pseudo-thermal light field based on LC-SLM phase modulation
Fig. 5. The temporal and spatial fluctuation and statistical distribution of pseudo-thermal light field based on DMD amplitude modulation
Fig. 6. Static speckle correlation imaging system based on LC-SLM/DMD
Fig. 7. Experimental procedure of single-frame speckle correlation imaging based on LC-SLM
Fig. 8. Experimental procedure of single-frame speckle correlation imaging based on DMD
Fig. 9. Objects and reconstructed images based on LC-SLM or DMD modulation
Fig. 10. The calculation process of cross-correlation calculation
Fig. 11. Dynamic target tracking system based on LC-SLM
Fig. 12. The distribution of correlation coefficients and the number of pixels in different moving distances of the target
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Table 1. Image quality evaluation of different modulation methods
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Table 2. Moving distance measurement result of target "2"
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