1. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Schematic diagram of multiple-SF radiographic imaging system. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

2. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Multiple screen-films. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

3. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Scatters and primaries of the object. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

4. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. A typical optical density versus optical length curve. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

5. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. An image of the step-object and the noise variations of SFs. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

6. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The optical density versus optical length curves of three SFs. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

7. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The noise-corrupted signals. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

8. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The signals restored directly. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

9. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The derivations of gi,i=1,2,3. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

10. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The fused signal. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

11. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Cross section of the FTO object. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

12. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The optical density images of the object (left: C4; middle: BMS; right: XBT). Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

13. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The optical length images restored directly (left: C4; middle: BMS; right: XBT). Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870

14. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The fused optical length image. Figure Legend: From: Image fusion method for radiography of dense objects Opt. Eng. 2009;48(7):077004-077004-6. doi:10.1117/1.3159870