Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Experimental setup for 3-D vision of the foot sole. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Geometry of the experimental setup to compute the surface depth. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Fitted pixels to a continuous function by Bezier curves. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Structure of the Bezier approximation network. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Geometry of the relationship between the line shifting and the surface depth. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Laser line projected on the platform (a) overlapped on the reference plane and (b) separated 25.4mm from the reference plane. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. (a) Laser line projected on the foot sole mold and (b) surface depth computed by the network from the laser line of (a). Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Geometry of the perspective projection model. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Geometry of a perpendicular optical axis to the reference plane on the y axis. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Derivative dk∕ds for an optical axis perpendicular to the x axis and for an optical axis not perpendicular to the x axis. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Geometry of the line displacement (a) in the initial configuration and (b) for a configuration modified on the z axis. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. (a) Geometry of an occlusion in the initial configuration, (b) broken laser line produced by an occlusion, and (c) line occlusion of (b) detected by moving the vision system on the z axis. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. (a) Foot sole mould to be profiled, (b) scanning of foot sole mold in the vision system, (c) shape of the foot sole mold in gray levels, and (d) 3-D shape of the foot sole mold. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. (a) Scanning of a foot sole in the vision system, (b) Transverse section of the foot sole computed by the network form the laser line, and (c) 3-D shape of the foot sole mold. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. (a) Plantar contour of the foot sole, which includes foot length, foot width, heel width, midfoot width, arch height, and the arch angle, and (b) geometry of arch height and arch angle. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. Foot sole that does not touch the reference plane completely. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. (a) Shoe sole mould to be profiled and (b) 3-D shape of the shoe sole mold. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /

Date of download: 6/27/2016 Copyright © 2016 SPIE. All rights reserved. (a) Overlapping of the foot sole contour on the shoe sole contour, (b) broken contour and the points to perform the contour connection via Bezier curves, and (c) fitted contour of the shoe mold to the foot sole contour via Bezier curves. Figure Legend: From: Computer vision of the foot sole based on laser metrology and algorithms of artificial intelligence Opt. Eng. 2009;48(12): doi: /