Fig. 1. Schematic of speckle-rotation experiment principle. (a) Schematic of imaging system based on memory-effect through scattering layer; (b) schematic of speckle-rotation

Fig. 2. Effect of speckle-rotation on quality of speckle imaging

Fig. 3. Correlation of speckles varying with rotation angle

Fig. 4. Effect of speckle area on speckle-rotation decorrelation angle. (a) Correlation of speckles varying with rotation angle under different speckle areas; (b) speckle-rotation decorrelation angle varying with speckle area; (c) schematic of speckle-rotation corresponding to different speckle areas

Fig. 5. Effect of distance between camera and diffuser on speckle-rotation decorrelation angle. (a) Correlation of speckles varying with rotation angle under different distances; (b) speckle-rotation decorrelation angle varying with distance; (c) schematic of speckle detection principle at different distances and corresponding speckle

Fig. 6. Effect of lateral displacement of camera on speckle-rotation decorrelation angle. (a) Correlation of speckles varying with rotation angle under different detection positions; (b) speckle-rotation decorrelation angle varying with lateral displacement

Fig. 7. Effect of glass type on speckle-rotation decorrelation angle. (a) Correlation of speckles varying with rotation angle under different types of glasses; (b) speckle-rotation decorrelation angle varying with glass type