Scientific Essay from the year 2014 in the subject Computer Science - Theory, , language: English, abstract: 3D Imaging is a upcoming field with tremendous research opportunities and huge economical market. This paper present detailed information about birth of 3D Imaging to the present research. 3D Imaging has a huge market at entertainment level as well as at Industrial level especially in Medical Field. The contribution of various scientists for 3D Imaging is highlighted in this paper. Moreover present research work is also taken into consideration based on depth maps.