Author Affiliations
Mechanical Institute of Technology, Mechanical Engineering College, Shijiazhuang, Hebei 050003, Chinashow less
Fig. 1. Decomposed results of low-frequency subband of UNcamp infrared source image via Gaussian filter. (a) Infrared source image; (b) low-frequency subband after filtering; (c) low-frequency approximate component; (d) strong edge component
Fig. 2. Partial enlarged views of Fig.1. (a1)(a2) Infrared source image; (b1)(b2) low-frequency subband after filtering; (c1)(c2) low-frequency approximate component; (d1)(d2) strong edge component
Fig. 3. Saliency of UNcamp infrared source image obtained by different methods. (a) Infrared source image; (b) method of reference [5]; (c) method of reference [15]
Fig. 4. Fused results of Quad source images. (a) Visible source image; (b) infrared source image; (c) DWT method; (d) NSCT+PCNN method; (e) GFF method; (f) SR method; (g) DWT+SR method; (h)proposed method
Fig. 5. Fused results of Leaves source images. (a) Visible source image; (b) infrared source image; (c) DWT method; (d) NSCT+PCNN method; (e) GFF method; (f) SR method; (g) DWT+SR method; (h)proposed method
Fig. 6. Fused results of UNcamp source images. (a) Visible source image; (b) infrared source image; (c) DWT method; (d) NSCT+PCNN method; (e) GFF method; (f) SR method; (g) DWT+SR method; (h)proposed method
Fig. 7. Partial enlarged views of advertising board in Quad fused images. (a) Visible source image; (b) infrared source image; (c) DWT method; (d) NSCT+PCNN method; (e) GFF method; (f) SR method; (g) DWT+SR method; (h) proposed method
Fig. 8. Partial enlarged views of traffic light in Quad fused images. (a) Visible source image; (b) infrared source image; (c) DWT method; (d) NSCT+PCNN method; (e) GFF method; (f) SR method; (g) DWT+SR method; (h) proposed method
Fig. 9. Partial enlarged views of object board in Leaves fused images. (a) Visible source image; (b) infrared source image; (c) DWT method; (d) NSCT+PCNN method; (e) GFF method; (f) SR method; (g) DWT+SR method; (h) proposed method
Fig. 10. Partial enlarged views of object in UNcamp fused images. (a) Visible source image; (b) infrared source image; (c) DWT method; (d) NSCT+PCNN method; (e) GFF method; (f) SR method; (g) DWT+SR method; (h) proposed method
Index | DWT | NSCT+PCNN | GFF | SR | DWT+SR | Proposed method |
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AGV | 51.8913 | 80.2994 | 70.8630 | 69.0041 | 69.9679 | 91.6608 | STD | 23.1976 | 34.3790 | 32.2534 | 36.8407 | 36.0147 | 40.6317 | IE | 6.0239 | 6.7539 | 6.5328 | 6.8063 | 6.8393 | 6.9126 | MI | 1.9146 | 3.0308 | 1.7146 | 2.7477 | 2.2496 | 3.4649 | SF | 11.9838 | 12.0982 | 12.0140 | 13.7542 | 12.6035 | 15.0227 | QAB/F | 0.4980 | 0.5646 | 0.5782 | 0.5243 | 0.5820 | 0.6111 |
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Table 1. Objective evaluation for Quad fused images
Index | DWT | NSCT+PCNN | GFF | SR | DWT+SR | Proposed method |
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AGV | 35.6874 | 32.8528 | 42.1548 | 40.5288 | 42.8513 | 51.2290 | STD | 34.8365 | 37.8808 | 38.8292 | 39.0756 | 41.6025 | 47.7524 | IE | 6.5682 | 6.4171 | 6.7542 | 6.6156 | 6.7882 | 6.9611 | MI | 3.4517 | 3.0077 | 3.8234 | 4.2395 | 3.6520 | 4.5171 | SF | 20.8423 | 19.2197 | 20.1309 | 20.5312 | 21.5884 | 29.3360 | QAB/F | 0.6289 | 0.5737 | 0.6383 | 0.6360 | 0.6312 | 0.6459 |
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Table 2. Objective evaluation for Leaves fused images
Index | DWT | NSCT+PCNN | GFF | SR | DWT+SR | Proposed method |
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AGV | 90.7361 | 95.1692 | 90.5544 | 91.3553 | 92.9005 | 111.7959 | STD | 24.8160 | 27.5585 | 25.8516 | 28.5695 | 32.0759 | 33.8266 | IE | 6.4029 | 6.7079 | 6.4228 | 6.7112 | 6.8497 | 6.9260 | MI | 1.4872 | 1.8581 | 1.5878 | 1.8550 | 1.7042 | 2.0552 | SF | 10.7180 | 8.8797 | 9.1158 | 10.7206 | 11.3803 | 13.0813 | QAB/F | 0.4133 | 0.3768 | 0.4280 | 0.3711 | 0.4085 | 0.4455 |
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Table 3. Objective evaluation for UNcamp fused images