Fig. 1. Principle of confocal illumination

Fig. 2. Principle of synthetic aperture algorithm

Fig. 3. Model of synthetic aperture imaging for confocal illumination

Fig. 4. Foreground matting. (a) Original image; (b) foreground mask

Fig. 5. Experimental system for synthetic aperture imaging based on confocal illumination

Fig. 6. Flow chart of image processing based on confocal illumination

Fig. 7. Comparison among synthetic aperture imaging results by three methods. (a) No mask; (b) random mask; (c) proposed method