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A Method for Custom-Contoured Cushion Fabrication Based on Pressure Mapping for Wheelchair Users to Prevent Pressure Ulcers: Feasibility Quasi-Experimental Study

A Method for Custom-Contoured Cushion Fabrication Based on Pressure Mapping for Wheelchair Users to Prevent Pressure Ulcers: Feasibility Quasi-Experimental Study

(C) The contour of the seated person is defined through a threshold value to remove the pressure points out of the user-cushion contact area; then, a Gaussian filter is applied to obtain an offset (Of) to soften the final profile of the cushion (D) Two smoothing filters are applied to Pg to increase the user-cushion contact area. First, a Gaussian filter, then the values are normalized. Finally, an averaging filter is applied to the normalized data (Pg N).

Alma De León-Hernández, Adriana Martínez-Hernández, Isabel Bolivar-Tellería, Andrea Bosch-Sánchez, María Fernanda Cabrera-Padilla, Carlos Omar López-López

JMIR Rehabil Assist Technol 2025;12:e68612