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    • 23. 发明授权
    • Image processing device
    • US10290138B2
    • 2019-05-14
    • US15557714
    • 2016-03-10
    • Universite De Lorraine
    • Slim OuniGuillaume Gris
    • G06T13/20G06T13/40G10L21/10
    • Device comprising a memory (2) storing sound data, three-dimensional surface data, and a plurality of control data sets which represent control points defined by data of coordinates which are associated with sound data, and a processor (4) which, on the basis of first and second successive sound data, and of first three-dimensional surface data, selects the control data sets associated with the first and second sound data, and defines second three-dimensional surface data by applying a displacement to each point. The displacement of a given point is calculated as the sum of displacement vectors calculated for each control point on the basis of the sum of first and second vectors, weighted by the ratio between the result of a function with two variables exhibiting a zero limit at infinity applied to the given point and to the control point and the sum of the result of this function applied to the point on the one hand and to each of the control points on the other hand. The first vector represents the displacement of the control point between the first and the second second sound data. The second vector corresponds to the difference between the data of coordinates of the point and the data of coordinates of the control point in the first sound data, multiplied by a coefficient dependent on the gradient of the first vector.