1. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Trim method to select zoom window. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

2. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Scope box method to select zoom window. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

3. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Saliency map developed by iLab (University of Southern California). (top) Difference of Gaussians filter applied to three feature maps; (bottom) saliency map output showing regions-of-interest. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

4. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Zoom window selected from central 25% of image. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

5. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Zoom window selected from central-bottom 25% of image. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

6. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Image preparation for digital zoom tests. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

7. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Example of test stimuli presented to subjects to test different methods to automatically zoom in to one area of the image. Option (c) shows the saliency trim method, which was most favored. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

8. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Example stimulus showing detail of zoom window border. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

9. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Preferences for methods to automatically zoom in to an image (n=96). Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

10. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. The effects of histogram equalization were assessed in the experiments. (A) Original image; (B) subsampled (25×25) and thresholded (128 gray level); (C) subsampled (25×25), with histogram equalized and thresholded (128 gray level). Shaded areas do not necessarily correlate with scene objects in images that have had gray levels equalized (C). Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

11. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Image preparation for simulated prosthetic vision (25×25 binary images). Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

12. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Importance mapping concept; lighter regions denote areas of high importance. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

13. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Processing methods used in the tests (see text for details). Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

14. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Feature map weights selected from the training set of scene categories. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

15. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Images used in the tests comprised a range of scene types that a blind person might encounter. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

16. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Example of test stimuli presented to subjects to test whether presenting a region-of-interest-processed image is useful for mobility. Option (f) shows the no importance processing option, which was most favored. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

17. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. When presenting the entire image, results indicate a clear preference for no importance processing (n=96). Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708

18. Date of download: 6/22/2016 Copyright © 2016 SPIE. All rights reserved. Digital zoom concept—the most salient area is identified in an image and resized to the maximum display resolution. Figure Legend: From: Region-of-interest processing for electronic visual prostheses J. Electron. Imaging. 2008;17(1):013002-013002-12. doi:10.1117/1.2841708