| 摘要 |
A method for measuring the 3D surface ( 15 ) of an object ( 14 ) in order to describe its form digitally. The object is pressed down on a membrane ( 6 ) so as to make an imprint to be transferred to a medium ( 4 ) below. Said medium can at the same time be exposed to a pressure for controlling the submerging therein. The imprint under the object ( 14 ) is scanned from below, through the medium ( 4 ), and particularly the transparency of the medium is registered in each scanning point to give a base for estimating the height up to the imprint and thereby the third dimension (z) of the surface ( 15 ). The pressure applied to a medium ( 4 ) can as an example be useful by the production of foot beds when said object ( 14 ) is a foot, together with a scanning result of an imprint where the imprint is made by an even pressure distribution at the downward-facing surface. |
