Abstract: Embodiments for determining an orientation of a scanned image. In an exemplary embodiment, a method comprises receiving image data of an image of one or more objects. Each object of the one or more objects in the image includes a plurality of points on a surface of the object. The method further comprises generating a plurality of subsets of points of the plurality of points and fitting a parametric model to more than one subset of the plurality of subsets to generate a plurality of parametric models. Further, the method identifies a parametric model of the plurality of parametric models that includes the largest number of points and orients the image based on the parametric model that includes the largest number of points.

Abstract: Embodiments for determining an orientation of a scanned image. In an exemplary embodiment, a method comprises receiving image data of an image of one or more objects. Each object of the one or more objects in the image includes a plurality of points on a surface of the object. The method further comprises generating a plurality of subsets of points of the plurality of points and fitting a parametric model to more than one subset of the plurality of subsets to generate a plurality of parametric models. Further, the method identifies a parametric model of the plurality of parametric models that includes the largest number of points and orients the image based on the parametric model that includes the largest number of points.

Abstract: A wheelchair is disclosed herein. The wheelchair includes a base frame extending in a fore-aft direction and a lateral direction perpendicular to the fore-aft direction. The wheelchair also includes a plurality of wheels supporting the base frame for movement. The wheelchair also includes a seat frame operable to support a seat and a wheelchair occupant sitting in the seat. The wheelchair also includes a support assembly interconnecting the seat frame to the base frame for pivoting movement between an upright position, a fully-tilted position and an intermediate position between the upright position and the fully-tilted position. The support assembly utilizes a plurality of control paths to direct the seat frame in translating and rotating planar body motion that defines a fixed centrode. A center of gravity of the seat frame and the seat and the wheelchair occupant is definable in operation.

Abstract: A wheelchair is disclosed herein. The wheelchair includes a base frame extending in a fore-aft direction and a lateral direction perpendicular to the fore-aft direction. The wheelchair also includes a plurality of wheels supporting the base frame for movement. The wheelchair also includes a seat frame operable to support a seat and a wheelchair occupant sitting in the seat. The wheelchair also includes a support assembly interconnecting the seat frame to the base frame for pivoting movement between an upright position, a fully-tilted position and an intermediate position between the upright position and the fully-tilted position. The support assembly utilizes a plurality of control paths to direct the seat frame in translating and rotating planar body motion that defines a fixed centrode. A center of gravity of the seat frame and the seat and the wheelchair occupant is definable in operation.

Abstract: A foldable wheelchair (21) and foldable wheelchair frame assembly (26, 126) including a pair of side frames (24, 124, 224, 324), a cross-bracing frame assembly (36, 136) coupling the side frames (24, 124, 224, 324) together for movement transversely between a spaced apart deployed position and a proximate folded position. A variable length link assembly (61, 161, 261, 361) is mounted into and forms a part of the cross-bracing frame assembly (36, 136) in a position between at least one of the side frames (24, 124, 224, 324) and a remainder of the cross-bracing frame assembly. The extensible link assembly (61, 161, 261, 361) being formed for variation of the overall length in a direction extending transversely between the side frames (24, 124, 224, 324) during movement of the side frames (24, 124, 224, 324) between the deployed and the folded positions so as not to force the side frames (24, 124, 224, 324) into unparallel motion which causes the upholstery to bind the folding mechanism.

Abstract: A back rest assembly (22) including a back shell (24), a back rest cushion (26), and a mounting assembly (28) for securing back shell (24) to upright posts (16, 18) that form part of the frame of a wheelchair (10). Mounting assembly 28 includes a mounting block (30), a pair of resilient pads (32), a fastener band (34), a barrel nut (38), and a pivot pin (36). Mounting assembly (28) pivotally supports back shell (24) between upright posts (16, 18) at two pivot points on the posts. Mounting assembly (28) is adjustably secured on each post (16, 18) so that the pivot points can be positioned to align with a person's pelvis.