1. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Photo of measurement boat and unit. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

2. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Structure of laser beam scanner. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

3. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Laser beam imaging device using hyperbolic mirror. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

4. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Schematic view of shape measurement system applied to Hume pipes. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

5. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Relation between original image and perspective image. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

6. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Relation between angle around camera optical axis and distance to pipe wall. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

7. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Definitions of Hume pipe coordinates and posture angles in shape measurement algorithm. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

8. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Principle of steepest decent method. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

9. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Example parameter fitting by steepest descent method. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

10. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Shape and coordinate system of half pipe for shape measurement test. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

11. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Comparison of measured and calculated distance data (test 1). Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

12. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Comparison of measured and calculated distance data (test 6). Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

13. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Example display of test shape measurement results for a half pipe. (Case results for setting a 30-mm step at angle 0deg.) Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690

14. Date of download: 7/9/2016 Copyright © 2016 SPIE. All rights reserved. Measured step shape to simulate corrosion on Hume pipe wall. Figure Legend: From: Development of shape measurement system using an omnidirectional sensor and light sectioning method with laser beam scanning for Hume pipes Opt. Eng. 2006;45(6):064301-064301-11. doi:10.1117/1.2214690