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Automating gait generation
Sun H., Metaxas D.  Computer graphics and interactive techniques (Proceedings of the 28th annual conference,261-270.2001.Type:Proceedings
Date Reviewed: Mar 1 2002

The research work presented in this paper provides a framework for automating the computation of gait generation. It introduces a new algorithm using the sagittal elevation angle motion representation for curved locomotion generation, applied in generating curved paths and uneven surface human gait. The system computes low-level parameters of the gait motion with minimal user interaction. The graphical interface allows a user to direct a human ‘skeleton’ figure to follow a predefined path (usually uneven terrain; for example, uphill or downhill), without having to specify the details of individual footsteps. The system accomplishes these goals by integrating high-level programming modules with a low-level walking motion generation module. The method is well documented and tested using various simulation datasets, while the results obtained were successfully compared with those of real human motions.

The paper is original in many ways; in particular, the method used for calculating and generating human gait on uneven surface. However, it would be interesting if further research focused on techniques for avoiding collision with obstacles. Obviously other factors, such as dynamics, simulation of image data, and so on, must be considered. Finally, since it is suggested that the system could be used to perform both off-line animation of human walking and on-line animation of autonomous systems, examples of practical case studies or proposals of specific practical applications would have been particularly useful (especially in bio-informatics and robotics). In general, the length of the work is sufficient and the references provided are appropriate and satisfactory.

Reviewer:  George K. Adam Review #: CR125734 (0203-0146)
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Types Of Simulation (I.6.8 )
 
 
Three-Dimensional Graphics And Realism (I.3.7 )
 
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