Ghassan A. Al-Kindi and Ali A. Khleif
A technique is proposed in this paper to acquire and re-construct 3D objects utilizing shadow data. The proposed technique is capable to extract object height features that are not directly visible to the camera scene; however, the technique is only valid to acquire object height information for the directions associated with the incident light and the generated object shadows, hence, acquired height features represents the object features that have actually obstructed the incident light. The technique is tested using objects of different shapes. Close to real measurements are gained using the adopted imaging hardware and setup. The obtained results therefore assure the validity of the suggested approach, hence open the way for further implementation in wider applications.
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