Tao Yong, Wang Xiaoxia, Yang Fengbao. Edge Detection Based on High-Pass Filter Ghost Imaging[J]. Laser & Optoelectronics Progress, 2020, 57(2): 21101
Copy Citation Text
Fig. 3. Results of edge detection of “rice” using numerical simulation. (a) Original image of “rice”; (b) CGI image under 40000 samples; (c) edge detection image of CGI image under 40000 samples; (d) result of SSGI algorithm under 12000 samples; (e) result of Kirsch_max algorithm under 12000 samples; (f) result of Kirsch_ave algorithm under 12000 samples; (g) edge detection image of original image
Fig. 5. Analysis on anti-noise performances of different algorithms. (a) Results of different algorithms; (b) analysis on anti-noise performances of different algorithms
Fig. 6. Results of edge detection of “lena” using numerical simulation. (a) Original image of “lena”; (b) CGI image under 50000 samples; (c) edge detection map of CGI image under 50000 samples; (d) result of SSGI algorithm under 12000 samples; (e) result of NSCT algorithm under 12000 samples
Fig. 7. Results of edge detection of SSGI and proposed algorithms. (a)-(e)Recovery images of SSGI algorithm; (f) edge detection image of original image obtained by Sobel operator; (g)-(k) recovery images of NSCT based ghost imaging method when threshold TH is 0; (l) edge detection image of original image obtained by NSCT; (m)-(q) recovery images of NSCT based ghost imaging method when threshold TH is 0.17