Physical object e.g. apple, three-dimensional surface's synthesis image creating method for e.g. industrial farm, involves calculating depth coordinate measured at axis for each point of dusty seeds from projection of point on surface

摘要

The method involves projecting dusty seeds of a target (12) of a projector (8) on a three-dimensional surface (3), and acquiring and memorizing a two-dimensional image from the dusty seeds projected on the surface and deformed by the surface. The deformed two-dimensional image is compared with a non-deformed two- dimensional image for a selection of preset color and/or luminous intensity points of the dusty seeds. A depth coordinate measured parallelly at a main optical axis (13) of the projector is calculated for each point from the projection of the point on the surface. The dusty seeds act as a pocking type pattern or speckle type pattern. The target can be a transparent or translucent plate made of plastic or glass material.