An algebra of polygons through the notion of negative shapes
CVGIP: Image Understanding
Animation control for real-time virtual humans
Communications of the ACM
Real-time inverse kinematics techniques for anthropomorphic limbs
Graphical Models and Image Processing
Robot Motion Planning
Spatial Planning: A Configuration Space Approach
IEEE Transactions on Computers
Analytical inverse kinematics with body posture control
Computer Animation and Virtual Worlds
Reaching analysis of wheelchair users using motion planning methods
ICOST'12 Proceedings of the 10th international smart homes and health telematics conference on Impact Ananlysis of Solutions for Chronic Disease Prevention and Management
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Adapting the environment for a person with physical needs consists first and foremost to assess areas that may pose a problem of accessibility. Two problems arise: the person seated in a wheelchair must be able to approach an object and then grasp it. The placement of the mobility device has a significant influence on the grasping capabilities. We propose in this paper a unified method for evaluating the accessibility of objects in a domestic environment. The idea is to model the human articulated system and the mobility device and then to evaluate the existence of a global solution of the inverse kinematics. We propose to use our methodology to label a complete environment by checking at each point, whether it is accessible or not to a person, whose joint constraints are known, for moving in an indoor environment with obstacles.