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. 2018 Jun 28;18(7):2071. doi: 10.3390/s18072071

Figure 8.

Figure 8

Resulting vision-based architecture for detection and pose recovery of pipes. A priori data obtained through a HMI (where the human chooses the edges of the apparent contour) or known priors about the pipe and the odometry estimation is required to add robustness to the contour determination process. The visual tracking, frame to frame, of the edges composing the apparent contour can speed up the process notably, disabling most of the visual pipeline.